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Canon EOS R5 Mark II Body vs OM SYSTEM Olympus OM-3 Silver Micro Four Thirds

Updated August 2026 — Canon EOS R5 Mark II Body leads on video features and image quality.

The Canon EOS R5 Mark II offers superior performance and features, making it ideal for professionals, while the OM SYSTEM Olympus OM-3 is a more affordable and portable option for casual photographers.

Why Canon EOS R5 Mark II Body is better

High Resolution

Canon has a 45MP sensor compared to Olympus's 20MP.

Advanced Autofocus

Canon features eye control focus and superior tracking.

Video Capabilities

Canon allows simultaneous video and stills capture.

Why OM SYSTEM Olympus OM-3 Silver Micro Four Thirds is better

Price

Olympus is significantly cheaper at $1,699.99.

Weather Sealing

Olympus has an IP53 rating for dust and water resistance.

Portability

Olympus is lighter and more compact for travel.

Overall score

Canon EOS R5 Mark II Body
90
OM SYSTEM Olympus OM-3 Silver Micro Four Thirds
75

Specifications

SpecCanon EOS R5 Mark II BodyOM SYSTEM Olympus OM-3 Silver Micro Four Thirds
Sensor TypeCMOSBSI Live MOS
Max FPS3010
Video Resolution8K4K
ISO Range100-51200200-25600
ViewfinderOLEDOLED

Dimension comparison

Canon EOS R5 Mark II BodyOM SYSTEM Olympus OM-3 Silver Micro Four Thirds

Overview of the Canon EOS R5 Mark II Body and OM SYSTEM Olympus OM-3

The Canon EOS R5 Mark II Body is priced at $3,898.95, making it a premium choice for serious photographers. In contrast, the OM SYSTEM Olympus OM-3, priced at $1,699.99, is about 56% cheaper than the Canon model, making it a more budget-friendly option for enthusiasts and travelers alike. Both cameras are designed for different user needs, with the Canon focusing on high-end features and the Olympus emphasizing portability and weather resistance.

Design and Build Quality

The design of the Canon EOS R5 Mark II Body prioritizes functionality with its sleek and modern aesthetics. It features a completely new full-frame back-illuminated stacked CMOS sensor that enhances performance. On the other hand, the OM SYSTEM Olympus OM-3 boasts a vintage-styled, premium metal body that not only looks attractive but also provides durability. With an IP53 rating, the Olympus is dustproof, splashproof, and freezeproof, making it ideal for outdoor photography in various conditions.

Image Sensor and Performance

When it comes to image quality, the Canon EOS R5 Mark II features a cutting-edge 45MP sensor that allows for up to 30 fps electronic shutter performance. This makes it suitable for capturing fast-moving subjects with exceptional clarity. The OM SYSTEM Olympus OM-3, while having a lower resolution at 20MP, utilizes a stacked BSI Live MOS sensor that enhances low-light performance and dynamic range. The difference in megapixels may influence your choice depending on whether you prioritize high-resolution images or better performance in challenging conditions.

Autofocus and Shooting Speed

The Canon EOS R5 Mark II is equipped with advanced autofocus capabilities, including a new focus system that incorporates eye control focus and can maintain focus even when the subject is briefly obscured. This makes it particularly effective for capturing action shots. In comparison, the OM SYSTEM Olympus OM-3 features computational photography capabilities such as live ND and focus stacking, but its autofocus system is less sophisticated than that of the Canon. For photographers who require rapid shooting and reliable autofocus, the Canon is likely the better option.

Video Capabilities

Video performance is another key differentiator between these two cameras. The Canon EOS R5 Mark II allows users to capture video and stills simultaneously without interruption, making it a versatile choice for content creators. Its ability to shoot high-quality video in addition to stills is a significant advantage for those who need a multi-functional camera. Conversely, the OM SYSTEM Olympus OM-3 features S&Q Mode for slow-motion and quick-motion video, which can be appealing for creative projects, but it does not match the comprehensive video capabilities of the Canon.

User Features and Usability

The Canon EOS R5 Mark II is designed with advanced users in mind, offering features such as a high-speed sensor readout and predictive autofocus for dynamic scenes. It caters well to professionals who need top-tier performance. The OM SYSTEM Olympus OM-3, while slightly less advanced, provides a range of creative features such as a creative dial for color profile control and various art filters, making it user-friendly for those who enjoy experimenting with their photography. The Olympus excels in usability for casual shooting and travel.

Price Comparison

With the Canon EOS R5 Mark II priced at $3,898.95 and the OM SYSTEM Olympus OM-3 at $1,699.99, the price difference is substantial. The Canon is about $2,198.96 more expensive, which may be a significant consideration for many buyers. If budget is a primary concern, the Olympus offers excellent value without sacrificing essential features for travel and casual photography.

Which should you buy?

Ultimately, your choice between the Canon EOS R5 Mark II Body and the OM SYSTEM Olympus OM-3 will depend on your specific needs and budget. If you require a high-end camera with exceptional autofocus, rapid shooting, and advanced video capabilities, the Canon is the clear winner. However, if you're looking for a more affordable, lightweight option with great durability for travel and creative photography, the Olympus is an excellent choice. Consider your photography style and requirements carefully to make the best decision.