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Canon EOS R6 Mark II Mirrorless Camera with RF 24- vs Sony ILCE-7M3K/B a7 III 24.

Updated August 2026 — Canon EOS R6 Mark II Mirrorless Camera with RF 24- wins on battery and build, Sony ILCE-7M3K/B a7 III 24. wins on value and weight.

The Canon EOS R6 Mark II excels in advanced features and video capabilities, while the Sony ILCE-7M3K/B offers great performance at a lower price. Choose based on your specific needs.

Why Canon EOS R6 Mark II Mirrorless Camera with RF 24- is better

Video Quality

Canon offers 4K 60p video oversampled from 6K.

Autofocus

Canon's Dual Pixel CMOS AF II provides superior tracking.

Lens Versatility

Canon includes a more versatile RF 24-105mm lens.

Why Sony ILCE-7M3K/B a7 III 24. is better

Price

Sony is $521 cheaper.

Portability

Sony is lighter and more compact.

Battery Life

Sony's NP-FZ100 battery is known for longevity.

Overall score

Canon EOS R6 Mark II Mirrorless Camera with RF 24-
88
Sony ILCE-7M3K/B a7 III 24.
80

Specifications

SpecCanon EOS R6 Mark II Mirrorless Camera with RF 24-Sony ILCE-7M3K/B a7 III 24.
Sensor24.2MP CMOS24.2MP Exmor R
Video4K 60p4K
AutofocusDual Pixel AF II693 AF points
LensRF 24-105mm28-70mm
Price$2419.95$1898.00

Dimension comparison

Canon EOS R6 Mark II Mirrorless Camera with RF 24-Sony ILCE-7M3K/B a7 III 24.

Overview of the Canon EOS R6 Mark II and Sony ILCE-7M3K/B

The Canon EOS R6 Mark II is priced at $2,419.95, while the Sony ILCE-7M3K/B is about 17% cheaper at $1,898.00. Both cameras offer exceptional performance, but they cater to slightly different audiences. The Canon model is known for its advanced features targeting hybrid creators, while the Sony camera emphasizes a balance of performance and portability for various photography needs.

Image Quality

When it comes to image quality, both cameras feature a 24.2MP full-frame sensor, yet they achieve it through different technologies. The Canon EOS R6 Mark II utilizes a newly developed full-frame CMOS sensor, which is designed to deliver improved dynamic range and low-light performance. Meanwhile, the Sony ILCE-7M3K/B features a back-illuminated Exmor R CMOS sensor, which enhances light sensitivity and produces images with minimal noise. Both cameras are capable of capturing intricate details, but the Canon's sensor is engineered for high-speed performance, making it an excellent choice for fast-paced scenarios.

Autofocus Capabilities

The Canon EOS R6 Mark II stands out with its Dual Pixel CMOS AF II system, offering advanced subject tracking powered by deep learning algorithms. This system provides reliable tracking for eyes, faces, animals, and vehicles even in challenging lighting conditions. In contrast, the Sony ILCE-7M3K/B has 693 phase-detection and 425 contrast AF points, covering 93% of the frame. While both autofocus systems are impressive, Canon's deep learning technology may provide an edge for users focused on fast-moving subjects, making it a top choice for wildlife and sports photography.

Video Recording Features

For videographers, the Canon EOS R6 Mark II shines with its ability to record 4K 60p video oversampled from 6K. This results in exceptional clarity and reduced moiré, supported by features like HDR PQ and Canon Log 3 for advanced post-production flexibility. On the other hand, the Sony ILCE-7M3K/B also offers 4K recording capabilities, but the specifics regarding bitrate and handling during recording are less emphasized. The Canon's unlimited recording time and dual UHS-II SD card slots provide substantial advantages for professional filmmakers and content creators.

Lens Versatility

The Canon EOS R6 Mark II is bundled with the RF 24-105mm f/4-7.1 IS STM lens, which is highly versatile for a range of shooting situations, from wide-angle landscapes to telephoto portraits. This lens includes built-in Optical Image Stabilization that helps to reduce camera shake. Conversely, the Sony ILCE-7M3K/B comes with a 28-70mm lens, which, while versatile, does not provide the same level of range as the Canon's included lens. The broader focal range of the Canon lens makes it a more comprehensive choice for photographers who need flexibility in their shooting conditions.

Battery Life and Performance

Battery performance is crucial for any photographer, especially during long shoots. The Canon EOS R6 Mark II comes with the LP-E6NH lithium-ion battery, designed to deliver long-lasting power for extensive shooting sessions. The Sony ILCE-7M3K/B uses the NP-FZ100 rechargeable battery, which is also known for its impressive longevity. However, the exact endurance during continuous shooting sessions might vary based on the shooting conditions and settings used. In general, both cameras are designed for professional use, providing reliable battery life for serious photographers.

Portability and Design

Portability can significantly impact the user experience, especially for those who travel often. The Canon EOS R6 Mark II, while slightly bulkier, offers a robust design that feels comfortable in hand during extended use. The Sony ILCE-7M3K/B is lighter and more compact, making it an excellent option for those who prioritize mobility without compromising on performance. For street photographers or those who engage in travel photography, the Sony's design may be more appealing due to its lighter weight.

Price Comparison

The price difference between the two cameras is notable, with the Canon EOS R6 Mark II retailing at $2,419.95 and the Sony ILCE-7M3K/B at $1,898.00. This represents a savings of about $521 if you opt for the Sony model. While the higher price of the Canon camera can be justified by its advanced features and performance, budget-conscious buyers may find the Sony a more attractive choice without sacrificing essential functionality.

Which should you buy?

Choosing between the Canon EOS R6 Mark II and the Sony ILCE-7M3K/B ultimately depends on your specific needs and budget. If you prioritize advanced video features, exceptional autofocus capabilities, and a versatile lens, the Canon EOS R6 Mark II is an excellent choice, albeit at a higher price point. On the other hand, if you're looking for a more budget-friendly option that still offers great performance and portability, the Sony ILCE-7M3K/B is a strong contender. Each camera has its strengths, making them suitable for different types of photographers and videographers.