21 February 2026

Canon Photography Training Milnerton, Cape Town

Photography Training / Skills Development Milnerton, Cape Town

Fast Shutter Speed / Action Photography Training Woodbridge Island, Cape Town
Fast Shutter Speed / Action Photography Training Woodbridge Island, Cape Town

Personalised Canon EOS / Canon EOS R Training for Different Learning Levels

Vernon Chalmers Photography Profile

Vernon Canon Photography Training Cape Town 2026

If you’re looking for Canon photography training in Milnerton, Cape Town, Vernon Chalmers Photography offers a variety of cost-effective courses tailored to different skill levels and interests. They provide one-on-one training sessions for Canon EOS R and EOS DSLR and mirrorless cameras, covering topics such as:
  • Introduction to Photography / Canon Cameras More
  • Birds in Flight / Bird Photography Training More
  • Bird / Flower Photography Training Kirstenbosch More
  • Landscape / Long Exposure Photography More
  • Macro / Close-Up Photography More
  • Speedlite Flash Photography More

Training sessions can be held at various locations, including Intaka Island, Woodbridge Island and Kirstenbosch Botanical Garden.

Canon EOS / EOS R Camera and Photography Training

Cost-Effective Private Canon EOS / EOS R Camera and Photography tutoring / training courses in Milnerton, Cape Town.

Tailor-made (individual) learning programmes are prepared for specific Canon EOS / EOS R camera and photography requirements with the following objectives:
  • Individual Needs / Gear analysis
  • Canon EOS camera menus / settings
  • Exposure settings and options
  • Specific genre applications and skills development
  • Practical shooting sessions (where applicable)
  • Post-processing overview
  • Ongoing support

Image Post-Processing / Workflow Overview
As part of my genre-specific photography training, I offer an introductory overview of post-processing workflows (if required) using Adobe Lightroom, Canon Digital Photo Professional (DPP) and Topaz Photo AI. This introductory module is tailored to each delegate’s JPG / RAW image requirements and provides a practical foundation for image refinement, image management, and creative expression - ensuring a seamless transition from capture to final output.

Canon Camera / Lens Requirements
Any Canon EOS / EOS R body / lens combination is suitable for most of the training sessions. During initial contact I will determine the learner's current skills, Canon EOS system and other learning / photographic requirements. Many Canon PowerShot camera models are also suitable for creative photography skills development.

Camera and Photgraphy Training Documentation
All Vernon Chalmers Photography Training delegates are issued with a folder with all relevant printed documentation  in terms of camera and personal photography requirements. Documents may be added (if required) to every follow-up session (should the delegate decide to have two or more sessions).

2026 Vernon Chalmers Photography Training Rates 

Small Butterfly Woodbridge Island - Canon EF 100-400mm Lens
Cabbage White Butterfly Woodbridge Island - Canon EF 100-400mm Lens

Bird / Flower Photography Training Kirstenbosch National Botanical Garden More Information

2026 Individual Photography Training Session Cost / Rates

From R900-00 per four hour session for Introductory Canon EOS / EOS R photography in Milnerton, Cape Town. Practical shooting sessions can be worked into the training. A typical training programme of three training sessions is R2 450-00.

From R950-00 per four hour session for developing . more advanced Canon EOS / EOS R photography in Milnerton, Cape Town. Practical shooting sessions can be worked into the training. A typical training programme of three training sessions is R2 650-00.

Three sessions of training to be up to 12 hours+ theory / settings training (inclusive: a three hours practical shoot around Woodbridge Island if required) and an Adobe Lightroom informal assessment / of images taken - irrespective of genre. 

Canon EOS System / Menu Setup and Training Cape Town
Canon EOS System / Menu Setup and Training Cape Town

Canon EOS Cameras / Lenses (Still Photography Only)
All Canon EOS DSLR cameras from the EOS 1100D to advanced AF training on the Canon EOS 90D / EOS 7D Mark II to the Canon EOS-1D X Mark III. All EF / EF-S (and / or compatible) Lenses 

All Canon EOS R cameras from the EOS R to the EOS R1, including the EOS R6 Mark III / EOS R5 Mark II. All Canon RF / RF-S (and / or compatible) lenses. 

Intaka Island Photography Canon EF 100-400mm f/4.5-5.6L IS II USM Lens
Intaka Island Photography Canon EF 100-400mm f/4.5-5.6L IS II USM Lens

Advanced Canon EOS Autofocus Training (Canon EOS / EOS R)

For advanced Autofocus (AF) training have a look at the Birds in Flight Photography workshop options. Advanced AF training is available from the Canon EOS 7D Mark II / Canon EOS 5D Mark III / Canon EOS 5D Mark IV up to the Canon EOS 1-DX Mark II / III. Most Canon EOS R bodies (i.e. EOS R7, EOS R6, EOS R6 Mark II, EOS R6 Mark III, EOS R5, EOS R5 Mark II, EOS R3, EOS R1) will have similar or more advanced Dual Pixel CMOS AF (II) AF Systems.

Contact me for more information about a specific Canon EOS / EOS R AF System.

Cape Town Photography Training Schedules / Availability

From Tuesdays - during the day / evening and / or Saturday mornings.

Canon EOS / Close-Up Lens Accessories Training Cape Town
Canon EOS / Close-Up Lens Accessories Training Cape Town

Core Canon Camera / Photography Learning Areas
  • Overview & Specific Canon Camera / Lens Settings
  • Exposure Settings for M / Av / Tv Modes
  • Autofocus / Manual Focus Options
  • General Photography / Lens Selection / Settings
  • Transition from JPG to RAW (Reasons why)
  • Landscape Photography / Settings / Filters
  • Close-Up / Macro Photography / Settings
  • Speedlite Flash / Flash Modes / Flash Settings
  • Digital Image Management

Practical Photography / Application
  • Inter-relationship of ISO / Aperture / Shutter Speed
  • Aperture and Depth of Field demonstration
  • Low light / Long Exposure demonstration
  • Landscape sessions / Manual focusing
  • Speedlite Flash application / technique
  • Introduction to Post-Processing

Tailor-made Canon Camera / Photography training to be facilitated on specific requirements after a thorough needs-analysis with individual photographer / or small group.

  • Typical Learning Areas Agenda
  • General Photography Challenges / Fundamentals
  • Exposure Overview (ISO / Aperture / Shutter Speed)
  • Canon EOS 70D Menus / Settings (in relation to exposure)
  • Camera / Lens Settings (in relation to application / genres)
  • Lens Selection / Technique (in relation to application / genres)
  • Introduction to Canon Flash / Low Light Photography
  • Still Photography Only

Above Learning Areas are facilitated over two or three sessions of four hours+ each. Any additional practical photography sessions (if required) will be at an additional pro-rata cost.

Canon Photography Training Milnerton, Cape Town
Birds in Flight Photography, Cape Town : Canon EOS R6 Mark III

Fireworks Display Photography with Canon EOS 6D : Cape Town
Fireworks Display Photography with Canon EOS 6D : Cape Town

From Woodbridge Island : Canon EOS 6D / 16-35mm Lens
From Woodbridge Island : Canon EOS 6D / 16-35mm Lens

Existential Photo-Creativity : Slow Shutter Speed Abstract Application
Existential Photo-Creativity : Slow Shutter Speed Abstract Application

Perched Pied Kingfisher : Canon EOS 7D Mark II / 400mm Lens
Perched Pied Kingfisher : Canon EOS 7D Mark II / 400mm Lens

Long Exposure Photography: Canon EOS 700D / Wide-Angle Lens
Long Exposure Photography: Canon EOS 700D / Wide-Angle Lens

Birds in Flight (Swift Tern) : Canon EOS 7D Mark II / 400mm lens
Birds in Flight (Swift Tern) : Canon EOS 7D Mark II / 400mm lens

Persian Cat Portrait : Canon EOS 6D / 70-300mm f/4-5.6L IS USM Lens
Persian Cat Portrait : Canon EOS 6D / 70-300mm f/4-5.6L IS USM Lens

Fashion Photography Canon Speedlite flash : Canon EOS 6D @ 70mm
Fashion Photography Canon Speedlite flash : Canon EOS 6D @ 70mm

Long Exposure Photography Canon EOS 6D : Milnerton
Long Exposure Photography Canon EOS 6D : Milnerton

Close-Up & Macro Photography Cape Town : Canon EOS 6D
Close-Up & Macro Photography Cape Town : Canon EOS 6D

Canon Photography Training Milnerton, Cape Town
Panning / Slow Shutter Speed: Canon EOS 70D EF 70-300mm Lens

Long Exposure Photography Cape Town Canon EOS 6D @ f/16
Long Exposure Photography Cape Town Canon EOS 6D @ f/16

Canon Photography Training Session at Spier Wine Farm

Canon Photography Training Courses Milnerton Woodbridge Island | Kirstenbosch Garden

20 February 2026

Canon EOS R Cameras to be Released 2026 - 2027

Conceptual 2026–2027 Canon EOS R roadmap featuring EOS R7 Mark II, R1 Mark II, high-resolution R-series and APS-C expansion trends.

Latest Canon EOS R Camera Roadmap - Possible 
Canon EOS R Release Dates

Canon EOS R Cameras to be Released 2026 - 2027

"All dates are informed projections, not official announcements.

Canon EOS R Roadmap: What May Be Coming in 2026 and 2027

Canon’s EOS R system is entering a new phase. After several years of rapid mirrorless expansion, the next cycle - covering 2026 and 2027 - is likely to focus less on dramatic reinvention and more on refinement, performance consistency, and smarter technology. Faster sensors, more intelligent autofocus, and smoother hybrid workflows appear to be the priorities.

2026: Refinement, Speed, and Feature Trickle-Down

Canon EOS R3 Mark II (Expected: 2026)

The Canon EOS R3 Mark II is expected to arrive ahead of the 2026 Winter Olympics, serving as a refined successor to the original R3. While the first R3 was considered a “stop-gap” between Canon’s professional line-up and the flagship R1, the Mark II is anticipated to solidify its role as a dedicated high-speed, high-durability body for professionals. It is suggest Canon will retain the rugged, gripped design while introducing a new stacked CMOS sensor with faster readout speeds.

Key upgrades likely include a global shutter CMOS sensor, eliminating rolling shutter artifacts, and a new DIGIC processor for faster performance. Autofocus is expected to benefit from AI AF 2.0, expanding subject recognition beyond humans and animals to include vehicles and complex motion tracking. Burst shooting speeds may exceed the current 30–40 fps range, with deeper buffers to support extended sequences. These enhancements would make the R3 Mark II a compelling tool for sports, wildlife, and photojournalism.

On the video side, the R3 Mark II is rumored to support 8K recording with improved heat management, alongside advanced 4K oversampling for cinematic quality. Canon may also expand RAW video workflows, catering to hybrid shooters who demand both stills and motion excellence. Combined with enhanced connectivity and durability, the R3 Mark II is positioned to be a versatile workhorse for professionals who need speed, reliability, and cutting-edge imaging in demanding environments.

Canon EOS R5 Mark III (Expected: 2026)

The Canon EOS R5 Mark III is anticipated as a 2026 refresh of Canon’s hybrid powerhouse, following the R5 Mark II (released in 2024). Positioned between the flagship R1 and the more affordable R6 series, the R5 Mark III is expected to continue Canon’s tradition of balancing high-resolution stills with advanced video capabilities. It will likely retain the familiar ergonomics and professional build quality, while introducing new sensor and processing technologies to keep pace with evolving creator demands.

Rumors suggest the R5 Mark III may adopt a next-generation stacked CMOS sensor with higher resolution (possibly 50+ MP) and faster readout speeds. Autofocus will likely benefit from Canon’s expanded AI-driven subject recognition, offering even more reliable tracking across diverse shooting scenarios. Continuous shooting speeds could exceed the current 30 fps electronic shutter, with improved buffer depth for extended bursts. Enhanced IBIS performance and refined color science are also expected, making the R5 Mark III a versatile tool for professionals in both photography and video.

On the video side, the R5 Mark III is expected to push Canon’s hybrid credentials further, offering oversampled 8K recording with improved heat management, alongside advanced RAW workflows for cinematic production. Canon may also expand connectivity features, including faster wireless transfer, cloud integration, and seamless smartphone pairing. Altogether, the R5 Mark III is positioned to be a creative workhorse for professionals who demand uncompromising stills and motion performance, bridging the gap between flagship innovation and accessible versatility.

Canon EOS R8 Mark II (Expected: 2026)

The Canon EOS R8 Mark II is anticipated as a 2026 refresh of Canon’s lightweight full-frame mirrorless body, designed for enthusiasts and hybrid creators who want professional image quality in a compact, affordable package. Building on the success of the original R8, the Mark II is expected to retain its slim, travel-friendly design while introducing sensor and autofocus improvements that align it more closely with Canon’s higher-tier models.

Rumors suggest the R8 Mark II may adopt a new full-frame stacked CMOS sensor with improved readout speeds, offering better low-light performance and reduced rolling shutter. Autofocus is likely to benefit from Canon’s expanded AI-driven subject recognition, providing reliable tracking across people, animals, and vehicles. Continuous shooting speeds could be increased beyond the current 40 fps electronic shutter, making the camera more appealing for action and event photographers who value portability.

On the video side, the R8 Mark II is expected to offer oversampled 6K or 8K recording, improved heat management, and advanced color science for cinematic workflows. Canon may also expand RAW video options and enhance connectivity features, including faster wireless transfer and seamless smartphone integration. Altogether, the R8 Mark II is positioned as a versatile, budget-conscious full-frame option, bridging the gap between entry-level accessibility and professional-grade performance for creators who demand both stills and video excellence.

Canon EOS R7 Mark II (Expected: 2026)

For APS-C shooters, the Canon EOS R7 Mark II could be one of the most exciting releases of 2026. The original R7 is already popular with wildlife and action photographers, and its successor may raise the bar significantly.

The Canon EOS R7 Mark II is anticipated as a 2026 refresh of Canon’s popular APS-C mirrorless camera, designed for wildlife, sports, and enthusiast photographers who need speed and reach in a compact form. Building on the success of the original R7, the Mark II is expected to retain its rugged yet lightweight design, while introducing sensor and autofocus improvements that bring it closer to professional performance.

Rumors suggest the R7 Mark II may adopt a new APS-C stacked CMOS sensor with faster readout speeds, reducing rolling shutter and improving burst shooting. Autofocus is likely to benefit from Canon’s expanded AI-driven subject recognition, offering more reliable tracking of birds, animals, and fast-moving subjects. Continuous shooting speeds could exceed the current 30 fps electronic shutter, with a deeper buffer for extended sequences. Enhanced IBIS performance and improved low-light capability are also expected, making it a versatile tool for action and wildlife enthusiasts.

On the video side, the R7 Mark II is expected to offer oversampled 4K recording with reduced crop, improved rolling shutter control, and possibly higher frame rate options for slow-motion capture. Canon may also expand connectivity features, including faster wireless transfer and seamless smartphone integration, appealing to hybrid shooters who balance stills and video. Altogether, the R7 Mark II is positioned as a powerful mid-tier APS-C body, bridging the gap between entry-level accessibility and professional-grade performance

Canon EOS R10 Mark II (Expected: 2026)

The Canon EOS R10 Mark II is anticipated as a 2026 refresh of Canon’s entry-level APS-C mirrorless line. Building on the success of the original R10, this model is expected to target beginners and enthusiasts who want a lightweight, affordable camera with modern hybrid features. Canon will likely retain the compact form factor and intuitive controls, while refining sensor performance and autofocus to make the Mark II a more capable everyday companion.

Rumors suggest the R10 Mark II may adopt a new APS-C sensor with improved dynamic range and low-light performance, paired with Canon’s latest DIGIC processor. Autofocus is expected to benefit from expanded subject recognition powered by AI, offering reliable tracking of people, animals, and vehicles. Continuous shooting speeds could be increased beyond the current 23 fps electronic shutter, making the camera more appealing for action and wildlife beginners.

On the video side, the R10 Mark II is likely to offer oversampled 4K recording with reduced crop, improved rolling shutter control, and enhanced colour science for creators. Canon may also expand connectivity options, including faster wireless transfer and seamless smartphone integration, to appeal to social media users and content creators. Altogether, the R10 Mark II is positioned as a versatile, budget-friendly entry point into the EOS R system, balancing accessibility with meaningful performance upgrades.

Creator and Entry-Level Models (Expected: 2026)

Canon is also expected to continue expanding its creator-focused line-up in 2026, building on recent video-oriented releases. Updates or successors to compact EOS R models may focus on ease of use, better video stabilization, and improved connectivity.

These cameras are unlikely to chase headline specs. Instead, they will prioritise reliability, smart autofocus, and simplified workflows, especially for vloggers and solo creators working across photo and video.

2027: Flagship Power and Clear Tier Separation

Canon EOS R1 Successor (Expected: 2027)

Canon’s next true flagship is likely to arrive in 2027 with a successor to the Canon EOS R1. Canon typically refreshes its top professional bodies on longer cycles, and 2027 fits that pattern.

This camera is expected to fully embrace next-generation stacked sensor technology, delivering ultra-fast readout speeds, minimal rolling shutter, and extremely high burst rates. For professional sports and wildlife photographers, this will be about reliability under pressure.

Autofocus will almost certainly take another leap forward, with smarter subject prediction and tracking in complex, fast-changing scenes. Video performance is also expected to improve, with full-sensor 8K options, professional codecs, and better heat management. This will be Canon’s no-compromise statement camera.

Canon EOS R6 Mark IV (Expected: 2027)

The Canon EOS R6 Mark IV is a logical follow-up in 2027 after the R6 Mark III. The R6 line has always been about balance - speed, image quality, and value - and the Mark IV should continue that tradition.

Expect faster sensor performance, improved autofocus consistency, and expanded video options that borrow ideas from the R5 and R1 lines. While it may not chase extreme resolution, the R6 Mark IV should remain one of Canon’s most versatile cameras for photographers who shoot a mix of action, events, and video.

Experimental or Retro-Inspired Model (Possible: 2027)

Canon may also use 2027 to experiment. There has been speculation about a retro-inspired or experience-focused EOS R body - something that blends modern RF-mount performance with tactile controls and minimalist design.

If such a camera appears, it would likely be aimed at enthusiasts who value shooting experience as much as specifications. While niche, this kind of model can strengthen brand identity and appeal to photographers seeking a more intentional, stripped-down approach.

Big Picture: What This Means for Photographers

Across both 2026 and 2027, several themes stand out:

  • Stacked sensors will become more common, not just in flagships
  • Autofocus will continue to improve through AI, especially for wildlife and action
  • Video features will keep expanding, even in stills-focused bodies
  • Canon will refine, not rush, focusing on stability and usability


Rather than flooding the market with constant new models, Canon appears to be prioritising maturity and cohesion across the EOS R system.

Canon PowerShot Cameras to be Released 2026 - 2027

Final Thoughts

Seen as a timeline, Canon’s EOS R roadmap makes sense. 2026 looks set to be a year of refinement and trickle-down technology, with major updates to the R5, R8, and R7 lines. 2027 is likely to deliver the next flagship leap with a new R1, alongside a refreshed R6 and possibly a niche creative model.

For photographers planning future upgrades, this suggests a clear strategy: invest with confidence, knowing that Canon is focusing on long-term system strength rather than short-lived hype." (ChatGPT 2025)

Canon Announcement Timelines 2025 - 2026

As with rumors and speculations there are no definite timelines on upcoming Canon PowerShot releases. These listed releases are anticipated releases based on historic timeline correlations / market or media releases of previously introduced Canon PowerShot cameras.

Canon Release Dates | Naming Conventions

Any listed Canon Powershot camera listed may / may not be released at a later date. Some may even be released with different Canon brand naming conversions.

Canon Camera EOS R (Speculative) Specifications

The speculation are of speculative / rumor nature and could change / be updated on frequent intervals No claims are made on Vernon Chalmers Photography website that any or all specifications are the final product or release specifications. Specifications and rumors will remain non-official speculative until official Canon US / UK announcements.

Official Canon Press Release Announcements
Rumors will be made official as soon as Canon releases a global and / or regional Canon Press Release.

Expected New Canon EOS R Camera Disclaimer:
Any information / specifications published on rumored, upcoming and anticipated Canon EOS R camera releases for 2026 - 2027 are based on expected and rumored upcoming publicly available information released of new Canon EOS R cameras - possibly to be launched during 2026 - 2027.

No Vernon Chalmers Photography media responsibility or ownership is taken or claimed for any Canon EOS R Camera Expected Release Dates.
 

19 February 2026

Difference Between CFexpress Type A and B

CFexpress Type A vs Type B explained across Sony, Canon, Nikon, and Panasonic systems. Compare size, speed, workflow impact, and which card type best suits your camera and shooting style.

Difference Between CFexpress Type A and B

A Systems-Level Analysis for Photographers and Videographers

The debate between CFexpress Type A and Type B is often framed as a simple comparison of size and speed. In reality, the distinction runs deeper. The choice of media type reflects a manufacturer’s engineering philosophy, market positioning, and sensor-readout strategy. It affects burst depth, video reliability, heat dissipation, workflow continuity, and even system-switching economics. Understanding the difference between Type A and Type B requires examining how major camera systems deploy them — and why.

CFexpress is governed by the CompactFlash Association and built on PCIe and NVMe architecture, the same high-performance protocol used in modern solid-state drives (CompactFlash Association, n.d.). Unlike SD cards, which rely on older bus architectures, CFexpress enables direct PCIe communication between camera processor and storage media. This architectural shift is what makes internal 8K recording, high-frame-rate RAW video, and blackout-free stacked-sensor bursts feasible.

At the structural level, the difference between Type A and Type B is straightforward. Type A cards are physically smaller and typically operate over a single PCIe lane. Type B cards are larger and use two PCIe lanes, doubling the theoretical bandwidth ceiling. However, once this difference is placed inside the context of different camera systems, its implications become more nuanced.

Sony: Compact Hybrid Engineering and Type A

Sony is the primary proponent of CFexpress Type A in full-frame mirrorless cameras. Bodies such as the Sony Alpha 1, Sony Alpha a7R V, and Sony Alpha a7S III integrate Type A slots alongside SD compatibility.

Sony’s adoption of Type A reflects its long-standing compact-body philosophy. Sony pioneered full-frame mirrorless in smaller chassis formats and continues to prioritize size efficiency. The smaller footprint of Type A slots preserves internal volume, which can be allocated to sensor stabilization systems, processing hardware, and thermal pathways.

From an engineering standpoint, Sony’s stacked sensors and BIONZ XR processors are optimized to operate within a specific sustained throughput envelope. While Type A offers a lower theoretical maximum bandwidth than Type B, it provides sufficient sustained write speed for Sony’s codec structures, including 8K and high-bitrate 4K formats. The system is balanced. Sony does not attempt to maximize PCIe lane count; it engineers the entire imaging pipeline around a performance equilibrium.

Thermal design is another factor. Compact bodies constrain airflow and passive cooling capacity. A dual-lane Type B configuration would increase potential heat load. By employing Type A, Sony maintains adequate performance while minimizing thermal escalation inside smaller magnesium alloy chassis.

Sony’s hybrid identity also shapes the decision. These cameras serve photographers and videographers equally. Type A provides more than enough sustained write performance for deep RAW bursts and internal high-quality video while allowing dual-format slots that accept SD UHS-II cards for secondary recording or overflow.

The result is a system in which Type A is not a compromise but a calibrated design choice aligned with Sony’s compact hybrid ethos.

Canon: Throughput Priority and Type B Standardization

Canon has largely standardized on Type B for its high-performance mirrorless bodies, including the Canon EOS R5, Canon EOS R6 Mark II, and Canon EOS R3.

Canon’s engineering approach prioritizes throughput headroom. The EOS R5 introduced internal 8K recording and high-resolution RAW capture at sustained frame rates that demand robust media bandwidth. Type B’s dual PCIe lanes provide a higher ceiling, reducing the risk of bottlenecks under peak load conditions.

For photographers shooting wildlife, birds in flight, or professional sports, burst depth is influenced by buffer clearing speed. A stacked or high-speed sensor can generate vast data volumes per second. Type B allows faster buffer evacuation, which supports longer sustained bursts before slowdown.

Canon’s body size philosophy also differs from Sony’s. Cameras like the EOS R3 are physically larger and include more substantial thermal structures. The increased internal space accommodates both the larger Type B slot and the associated thermal load.

Importantly, Canon’s Cinema EOS line and professional video workflows align naturally with Type B media. By adopting Type B across hybrid mirrorless and cinema platforms, Canon promotes ecosystem continuity. Professionals using multiple Canon bodies can standardize on one card format, simplifying media management, reader compatibility, and backup systems.

Canon’s deployment of Type B therefore reflects a performance-first, professional-centric design strategy.

Canon EOS R6 Mark III Memory Card Options

Nikon: Evolution from XQD to Type B

Nikon’s pathway to CFexpress Type B is evolutionary rather than revolutionary. Earlier professional DSLRs adopted XQD, a physically similar form factor. When CFexpress matured, firmware updates allowed certain bodies to transition seamlessly to Type B due to shared physical dimensions.

Modern Nikon bodies such as the Nikon Z9, Nikon Z8, and Nikon Z7 II employ Type B.

The Z9, with its stacked CMOS sensor and blackout-free shooting architecture, produces substantial data throughput. High-speed readout combined with continuous high-frame-rate shooting demands strong sustained write capacity. Type B’s dual-lane configuration provides that margin.

Nikon’s professional user base — particularly in sports and wildlife — expects reliability under heavy burst conditions. Maintaining Type B continuity from XQD reduced friction during system transition. Professionals could adapt gradually without replacing entire card inventories overnight.

Unlike Sony, Nikon never significantly integrated Type A into its roadmap. The company’s historical alignment with larger pro bodies and high-performance throughput made Type B a natural continuation.

Panasonic: Video-Centric Engineering and Sustained Bandwidth

Panasonic’s strategy is shaped by its video-first market positioning. Cameras such as the Panasonic Lumix S1H and Panasonic Lumix GH6 emphasize internal ProRes, All-Intra codecs, and long-duration recording.

Video workflows differ from still photography in a crucial way: they demand uninterrupted sustained write performance over extended timeframes. A card that performs well for short bursts but throttles under thermal stress is unacceptable in professional cinema contexts.

Type B’s broader bandwidth ceiling and typically higher sustained write ratings align with Panasonic’s design requirements. The company’s bodies are engineered with larger cooling systems and robust chassis, allowing them to leverage Type B’s performance envelope.

In video production environments, media standardization matters. Editors, digital imaging technicians, and production houses often maintain readers and backup stations configured around Type B. Panasonic’s choice supports integration into established cinema ecosystems.

Cinema Systems and Industrial Workflows

Beyond hybrid mirrorless bodies, dedicated cinema cameras from various manufacturers predominantly use Type B. Internal RAW capture, multi-gigabit bitrates, and prolonged takes require stable sustained throughput. Larger cinema bodies accommodate Type B slots without spatial constraints.

Production workflows often involve immediate card offloading, checksum verification, and rapid redeployment. Type B readers and docks are widely available and optimized for high-speed ingestion. In this context, Type A’s compact advantage is less relevant.

Thermal and Electrical Considerations Across Systems

Media selection interacts directly with thermal management strategies. Dual-lane PCIe configurations potentially generate greater electrical activity, which can translate into additional heat under load. Larger camera bodies can dissipate this heat more effectively.

Compact mirrorless designs, by contrast, must carefully balance heat, processing load, and sustained write performance. Sony’s Type A deployment reflects a system-level calibration that prevents excessive internal thermal accumulation while maintaining performance.

It is also important to consider firmware design. Cameras regulate buffer clearing rates, write queue management, and error correction protocols. The media type forms only one component of a broader throughput ecosystem that includes sensor readout speed, image processor bandwidth, and internal bus architecture.

System Switching and Economic Implications

Media standardization influences system migration costs. A photographer transitioning from Sony to Canon may need to replace an entire inventory of Type A cards with Type B. Conversely, Canon-to-Nikon transitions are simpler in media terms because both rely primarily on Type B.

Type B generally benefits from broader market competition, often resulting in lower cost per gigabyte. Type A, though increasingly supported by third-party manufacturers, remains more specialized.

Professional workflows also consider reader infrastructure. Type B readers are widely integrated into production environments. Type A often requires specific compatible readers.

Performance Philosophy: Compact Optimization vs. Throughput Optimization

The divergence between Type A and Type B ultimately reflects two engineering philosophies.

Type A embodies compact optimization. It enables high performance within constrained physical architecture. It supports hybrid workflows efficiently while preserving internal camera space.

Type B embodies throughput optimization. It maximizes sustained bandwidth and provides greater performance headroom for high-data-rate applications, particularly professional video and extended burst photography.

These philosophies are not mutually exclusive in value. They represent different responses to market demands.

Conclusion

Across modern camera systems, CFexpress Type A and Type B are not competing standards so much as reflections of distinct engineering priorities.

Sony leverages Type A to maintain compact hybrid excellence. Canon and Nikon utilize Type B to sustain high-performance burst shooting and professional video throughput. Panasonic integrates Type B to satisfy cinema-grade recording demands. Dedicated cinema systems reinforce Type B as the dominant professional media standard.

The decision between Type A and Type B therefore begins with camera compatibility but extends into broader considerations of workflow, thermal tolerance, sustained write demands, and long-term system investment.

For photographers and videographers, the question is not which card is faster in marketing specifications. It is which media architecture aligns with the engineering philosophy of the camera system you use — and the demands of the work you produce." (Source: ChatGPT 5.2 : Moderation: Vernon Chalmers Photography)

References

CompactFlash Association. (n.d.). CFexpress overview and specifications. https://compactflash.org

Canon Inc. (n.d.). EOS R5 product specifications. https://www.canon.com

Nikon Corporation. (n.d.). Nikon Z9 technical specifications. https://www.nikon.com

Panasonic Corporation. (n.d.). Lumix S1H specifications. https://www.panasonic.com

Sony Corporation. (n.d.). Alpha 1 specifications. https://www.sony.com

Canon Dual Pixel AF vs AF II Explained

How Dual Pixel CMOS AF II transforms action and wildlife photography with AI subject recognition, predictive tracking, and near full-frame coverage.

Canon Dual Pixel AF vs AF II Explained

A Technical Evolution in Mirrorless Autofocus Architecture

"When Canon introduced Dual Pixel CMOS AF in 2013, it represented a structural shift in autofocus (AF) design rather than a firmware refinement. The architecture embedded phase-detection capability directly onto the imaging sensor, effectively eliminating the need for separate AF modules in live view and mirrorless operation. Nearly a decade later, Dual Pixel CMOS AF II (DPAF II) refined that foundation into a predictive, AI-assisted system capable of sophisticated subject recognition, dense coverage, and improved low-light sensitivity.

For working photographers—particularly those operating in fast-action environments such as birds in flight, field sports, and wildlife—the transition from the first-generation implementation to DPAF II is not incremental. It is architectural.

This analysis examines the engineering differences, operational consequences, and real-world implications of Canon’s Dual Pixel CMOS AF systems, with particular attention to mirrorless performance.

The Architecture of Canon Dual Pixel CMOS AF (Generation I)

Canon first deployed Dual Pixel CMOS AF in the Canon EOS 70D. The central innovation was deceptively simple: each pixel on the imaging sensor was split into two independent photodiodes. During autofocus operation, the camera compared signals from the left and right halves to perform phase-detection calculations directly on the imaging plane.

Engineering Principle

Each pixel comprised:

    • Two photodiodes (left and right)
    • A shared microlens
    • A unified pixel output for image capture

When light entering the lens was not perfectly converged at the sensor plane (i.e., out of focus), the signals between the two halves diverged. By analyzing this phase difference, the camera determined both the direction and magnitude of focus correction—mirroring traditional dedicated phase-detection AF modules in DSLRs.

Once focus was achieved, the two halves combined to function as a single imaging pixel. 

Operational Characteristics

Early Dual Pixel CMOS AF systems offered:

    • Smooth, continuous AF in live view
    • Accurate face detection
    • Reliable subject acquisition in moderate lighting
    • Substantial coverage (typically ~80% horizontal / vertical)

This system solved a long-standing DSLR limitation: live view contrast AF lag. In models such as the Canon EOS 5D Mark IV, Dual Pixel CMOS AF significantly improved live view usability for both stills and video.

However, Generation I systems were limited by:

    • Basic subject recognition (face detection, minimal tracking intelligence)
    • Less dense AF point coverage compared to modern mirrorless implementations
    • Lower computational integration with predictive AI models
    • Reduced performance in low-contrast environments

Transition to Mirrorless: Expanding the Platform

With the introduction of Canon’s RF mount and the Canon EOS R, Dual Pixel CMOS AF became the primary focusing architecture rather than a secondary system.

Mirrorless design advantages:

  • No optical viewfinder AF module dependency
  • Full-time on-sensor phase detection
  • Expanded AF coverage (up to ~88% horizontal × 100% vertical in some configurations)
  • Faster signal processing pipelines

Yet, even in early RF bodies, autofocus intelligence was still largely rule-based rather than machine-learning-driven.

The next leap required computational evolution.

Dual Pixel CMOS AF II: Computational Refinement

Dual Pixel CMOS AF II debuted prominently in cameras such as the Canon EOS R5 and Canon EOS R6. While the underlying pixel-split principle remained intact, three major advances defined the second generation:

  • Expanded AF coverage (approaching 100% × 100%)
  • Deep-learning-based subject detection
  • Improved low-light and predictive tracking performance

Coverage Density

DPAF II dramatically increased the number of selectable AF positions—often exceeding 1,000 zones or more than 6,000 selectable positions depending on configuration.

This density matters operationally:

    • Subjects can be tracked anywhere in frame.
    • Edge tracking reliability improves.
    • Composition flexibility increases.

The near full-frame coverage effectively eliminates the “focus-and-recompose” compromise.

Deep Learning Subject Recognition

Unlike Generation I systems, DPAF II integrates neural network training data to recognize specific subject classes:

    • Humans (face, head, eye)
    • Animals (dogs, cats, birds)
    • Motorsport vehicles
    • Aircraft (in later firmware / models)

The camera does not merely detect contrast patterns—it classifies objects.

In practical terms:

    • The AF box can “lock” onto an eye at significant distance.
    • Tracking remains stable even if the subject momentarily turns away.
    • Obstruction recovery improves.

This is not a sensor hardware change alone. It is the integration of sensor data with advanced DIGIC processing pipelines.

Low-Light Sensitivity and Readout Efficiency

Early Dual Pixel systems performed reliably down to approximately –3 EV in many configurations. Dual Pixel CMOS AF II systems extended this to as low as –6.5 EV in some bodies with fast lenses.

This improvement results from:

  • Refined signal amplification algorithms
  • Enhanced noise discrimination
  • Improved on-sensor readout speed
  • More efficient DIGIC processor throughput

In practical field use, this translates to:

  • Faster initial lock in dawn/dusk conditions
  • More consistent tracking in shadowed environments
  • Reduced hunting under low-contrast scenarios

For wildlife and birds in flight at sunrise, this difference is operationally significant.

Tracking Algorithms: Rule-Based vs Predictive Intelligence

Generation I Dual Pixel AF primarily relied on contrast and motion heuristics. Tracking was reactive.

DPAF II introduced:

  • Predictive motion modeling
  • Eye-priority logic
  • Automatic subject handoff
  • Scene-dependent prioritization

For example:

  • A bird entering the frame triggers animal detection.
  • The system identifies the head.
  • Eye detection supersedes body tracking.
  • If the eye is temporarily obscured, the system reverts to head tracking, then reacquires the eye.

This hierarchy of logic distinguishes DPAF II from its predecessor.

Rolling Shutter and Readout Considerations

Autofocus performance in mirrorless systems is linked to sensor readout timing. Faster readout allows:

  • More frequent AF updates
  • Improved subject motion analysis
  • Reduced lag between detection and correction

While DPAF II itself is not synonymous with stacked-sensor performance, its optimization in bodies with faster readout speeds enhances real-world tracking.

In high-frame-rate shooting scenarios (20 fps electronic shutter in the EOS R5), the AF engine must calculate and correct focus between frames at high speed. Generation II systems are designed to sustain this throughput.

Comparative Performance Analysis

The differences between Dual Pixel CMOS AF (Generation I) and Dual Pixel CMOS AF II are best understood not as a hardware overhaul, but as a layered evolution of capability.

At the foundational level, both systems share the same pixel architecture: each imaging pixel contains two independent photodiodes that enable phase-detection autofocus directly on the sensor plane. Canon did not redesign the pixel concept when moving to Generation II. Instead, it retained the split-pixel structure and reengineered how the data derived from those photodiodes is processed, interpreted, and deployed.

Where the two systems begin to diverge meaningfully is in autofocus coverage. Early implementations of Dual Pixel CMOS AF typically covered approximately 80 percent of the frame horizontally and vertically. While substantial for its time—particularly in DSLR live view contexts—this coverage still required deliberate subject placement within the central area of the frame. By contrast, Dual Pixel CMOS AF II expanded coverage to approach full-frame dimensions in many mirrorless bodies. In practical terms, autofocus points can now extend to nearly 100 percent horizontally and vertically, dramatically increasing compositional flexibility and reducing the need for focus-and-recompose techniques.

Subject detection represents the most significant generational shift. First-generation Dual Pixel CMOS AF offered competent face detection and basic tracking functionality, but its logic was largely rule-based. It relied on contrast patterns and motion heuristics to maintain lock. Dual Pixel CMOS AF II integrates deep-learning algorithms trained on extensive image datasets. As a result, the system can identify and classify distinct subject categories—humans, animals (including birds), and even vehicles in later implementations. This transition from detection to recognition allows the camera to prioritize eyes over faces, faces over bodies, and specific subject classes over background elements.

Eye autofocus illustrates this distinction clearly. Early Dual Pixel systems introduced eye detection in limited form, typically optimized for portraiture and moderate subject movement. In Dual Pixel CMOS AF II, eye detection becomes a central tracking strategy. The system can identify a small avian eye at distance, maintain lock during erratic motion, and intelligently revert to head or body tracking if the eye is temporarily obscured. The tracking hierarchy is dynamic rather than fixed.

Low-light performance further differentiates the two generations. Initial Dual Pixel CMOS AF systems commonly operated down to approximately –3 EV, depending on lens aperture and camera body. Dual Pixel CMOS AF II extended sensitivity in some models to as low as –6.5 EV when paired with fast optics. This improvement is not solely attributable to sensor hardware; it reflects refinements in signal amplification, noise discrimination, and processor throughput. In real-world conditions—dawn wildlife sessions, shaded forest environments, or overcast coastal light—the practical advantage is measurable in faster acquisition and reduced hunting.

Tracking intelligence also evolved from reactive to predictive. Generation I systems responded to subject movement frame by frame. Dual Pixel CMOS AF II integrates predictive motion modeling, allowing the camera to anticipate subject trajectory rather than merely respond to it. This is particularly relevant in high-frame-rate mirrorless shooting, where autofocus calculations must occur between rapid exposures.

Finally, the scale of selectable autofocus positions expanded dramatically. Earlier systems offered hundreds of AF zones, sufficient for controlled compositions but limited in granularity. Dual Pixel CMOS AF II can provide thousands of selectable positions, enabling precise subject placement and more nuanced control over tracking initiation.

In summary, while the physical pixel structure remains consistent between generations, the operational behavior differs substantially. Generation I Dual Pixel CMOS AF delivered reliable on-sensor phase detection and solved the live-view autofocus dilemma in DSLRs. Dual Pixel CMOS AF II recontextualized that same architecture within a computational imaging framework, introducing deep learning, expanded coverage, enhanced low-light sensitivity, and predictive tracking logic.

The difference is not cosmetic. It is computational.

Practical Implications for Wildlife and Birds in Flight

In high-speed avian photography:

  • Generation I systems require disciplined AF point placement.
  • Tracking can lose small, erratic subjects.
  • Eye detection is unreliable at distance.

With DPAF II:

  • Automatic bird detection reduces setup time.
  • Eye detection stabilizes sharpness on critical focus plane.
  • Frame composition can be more experimental.

The photographer transitions from managing AF to supervising it.

Video Considerations

Dual Pixel CMOS AF was initially celebrated for smooth video AF transitions. Its ability to avoid “focus pulsing” distinguished Canon from competitors.

DPAF II extends this capability with:

  • Improved face priority
  • Sticky tracking
  • Reduced focus breathing artifacts (lens dependent)
  • More consistent tracking during lateral subject movement

For hybrid shooters, the difference is tangible in documentary or wildlife filmmaking contexts.

Limitations and Real-World Constraints

Despite its sophistication, DPAF II is not infallible.

Limitations include:

  • Dependency on subject recognition training data
  • Reduced performance with heavy obstructions
  • Potential misclassification in visually cluttered environments
  • Sensor readout constraints in non-stacked models

Moreover, AF performance remains lens-dependent. Optical quality, aperture, and motor speed materially affect system behavior.

The Broader Strategic Context

Canon’s transition from Dual Pixel CMOS AF to DPAF II reflects a broader industry shift:

  • From hardware-defined performance
  • To software-defined intelligence

Autofocus is no longer purely a mechanical or optical discipline. It is computational imaging.

The implication for photographers is profound: skill remains critical, but the camera’s decision-making layer increasingly shapes outcomes.

Conclusion

Canon’s original Dual Pixel CMOS AF redefined on-sensor phase detection by embedding dual photodiodes in every pixel. It eliminated the compromise between live view usability and autofocus speed.

Dual Pixel CMOS AF II retained that structural innovation but layered computational intelligence, deep learning, expanded coverage, and low-light refinement on top of it.

The distinction is not cosmetic. It is systemic.

Where Generation I delivered reliable phase detection across the sensor plane, Generation II introduced contextual awareness and predictive tracking logic. For high-speed wildlife and birds in flight, the shift is operationally transformative.

Autofocus has moved from detection to interpretation.

Canon’s evolution from Dual Pixel CMOS AF to Dual Pixel CMOS AF II illustrates that the modern imaging sensor is no longer just a light-gathering surface. It is a computational platform." (Source: ChatGPT 2026)

References

Canon Inc. (2013). EOS 70D: Technical report and white paper. Canon Global.

Canon Inc. (2016). EOS 5D Mark IV technical specifications and autofocus documentation. Canon Global.

Canon Inc. (2018). EOS R system white paper. Canon Global.

Canon Inc. (2020a). EOS R5 autofocus and deep learning subject detection documentation. Canon Global.

Canon Inc. (2020b). EOS R6 technical guide: Dual Pixel CMOS AF II. Canon Global.

U.S. Patent No. 8,508,595. (2013). Imaging device having focus detection pixels. Canon Kabushiki Kaisha.

Yamaguchi, K., & Canon Imaging Systems Engineering Division. (2020). Deep learning integration in mirrorless autofocus systems. Canon Technical Report Series.