Canon EOS R100 Mirrorless Camera with RF-S18- vs OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds
Updated August 2026 — OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds leads on weight and build.
The Canon EOS R100 is an excellent entry-level camera, while the OM SYSTEM Olympus OM-1 Mark II offers advanced features for serious photographers. Choose based on your experience level and needs.
Why Canon EOS R100 Mirrorless Camera with RF-S18- is better
Price
Canon EOS R100 is significantly cheaper at $579.
Portability
Canon EOS R100 is the smallest and lightest in its series.
Beginner-friendly
Includes accessories like a shoulder bag and memory card.
Why OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds is better
Image Quality
OM-1 Mark II has superior low-light performance.
Autofocus
OM-1 Mark II features advanced Cross Quad Pixel AF.
Durability
OM-1 Mark II is weather-sealed for extreme conditions.
Overall score
Specifications
| Spec | Canon EOS R100 Mirrorless Camera with RF-S18- | OM SYSTEM Olympus OM-1 Mark II Micro Four Thirds |
|---|---|---|
| Megapixels | 24.1 | 20 |
| Autofocus | 143 zones | 1053 points |
| Video FPS | 24 | 60 |
| Weather Sealed | No | Yes |
| Processor | DIGIC 8 | TruePic X |
Dimension comparison
Overview of the Canon EOS R100 and OM SYSTEM Olympus OM-1 Mark II
The Canon EOS R100 is priced at $579.00, making it about 71% cheaper than the OM SYSTEM Olympus OM-1 Mark II, which retails for $1,999.99. This significant price difference reflects the distinct positioning of these two cameras within the mirrorless camera market. The R100 is aimed at entry-level photographers, while the OM-1 Mark II targets more advanced users seeking robust features for specialized photography.
Image Quality
In terms of image quality, the Canon EOS R100 boasts a 24.1-megapixel APS-C sensor, which allows for superb image clarity and detail. It is particularly noted for its ability to capture images with natural bokeh. On the other hand, the OM SYSTEM Olympus OM-1 Mark II features a 20MP BSI stacked sensor, which excels in low-light conditions and offers high-resolution images with minimal noise. While both cameras produce high-quality images, the R100’s higher megapixel count may appeal to those focused on detail, while the OM-1 Mark II’s sensor technology is optimized for dynamic and challenging shooting environments.
Autofocus and Shooting Speed
The autofocus capabilities of these cameras differ significantly. The Canon EOS R100 employs a Dual Pixel CMOS AF system that covers up to 143 zones, providing human face and eye detection for both stills and video. It supports continuous shooting at 6.5 frames per second, catering well to casual photographers. In contrast, the OM SYSTEM Olympus OM-1 Mark II features Cross Quad Pixel AF with 1,053 points, all cross-type, ensuring high-precision focusing. This camera excels in fast-paced situations, making it ideal for wildlife photography and sports. The advanced autofocus and higher frame rate give the OM-1 Mark II a distinct advantage for action shots.
Video Capabilities
Both cameras offer impressive video options, albeit targeted towards different users. The Canon EOS R100 can shoot 4K video at up to 24 frames per second and Full HD video at 60 frames per second, making it a solid choice for entry-level videographers. Meanwhile, the OM SYSTEM Olympus OM-1 Mark II provides advanced computational photography features, including Handheld High Res Shot and HDR shooting, alongside its video capabilities. This positions the OM-1 Mark II as a versatile tool for those who wish to explore creative video techniques beyond standard recording.
Build and Durability
The construction and durability of these cameras reflect their intended use. The Canon EOS R100 has a compact and lightweight design, making it the smallest and lightest camera in the EOS R series. This portability is great for casual photographers looking for mobility. Conversely, the OM SYSTEM Olympus OM-1 Mark II is designed with an IP53 weather-sealed body, ensuring resistance to dust, splashes, and even freezing temperatures down to -10℃. This rugged design makes it a reliable choice for outdoor photographers who often shoot in challenging conditions.
Included Accessories
When it comes to included accessories, the Canon EOS R100 package includes a Canon EOS 200ES Shoulder Bag and a Lexar 64GB UHS-I SD Memory Card, adding value to the purchase. The presence of these accessories is beneficial for beginners who may not already own camera gear. The OM SYSTEM Olympus OM-1 Mark II, however, does not specify any bundled accessories, focusing instead on the camera's advanced features. This difference may influence new photographers who appreciate the added value of immediate usability.
Pricing and Value
The Canon EOS R100, priced at $579.00, offers excellent value for entry-level photographers looking to delve into mirrorless technology without breaking the bank. In contrast, the OM SYSTEM Olympus OM-1 Mark II is priced at $1,999.99, targeting serious enthusiasts and professionals seeking advanced features and capabilities. The R100's price makes it about 71% less expensive than the OM-1 Mark II, which is a significant consideration for budget-conscious buyers.
Which should you buy?
The choice between the Canon EOS R100 and the OM SYSTEM Olympus OM-1 Mark II ultimately depends on the user’s experience level and specific needs. If you're a beginner looking for a lightweight, budget-friendly option that delivers solid image quality and video capabilities, the Canon EOS R100 is the clear choice. However, if you're an advanced photographer who values superior autofocus performance, rugged durability, and advanced features for creative photography, the OM SYSTEM Olympus OM-1 Mark II justifies its higher price with its extensive capabilities.

