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Canon EOS R100 Mirrorless Camera with RF-S18- vs OM SYSTEM Olympus OM-3 Silver Micro Four Thirds

Updated August 2026 — Canon EOS R100 Mirrorless Camera with RF-S18- wins on price and accessories, OM SYSTEM Olympus OM-3 Silver Micro Four Thirds wins on build.

The Canon EOS R100 offers great value for beginners with its lower price and solid features, while the Olympus OM-3 caters to enthusiasts with advanced capabilities. Choose based on your experience level and needs.

Why Canon EOS R100 Mirrorless Camera with RF-S18- is better

Price

Canon is significantly cheaper at $579 compared to Olympus at $1699.

Image Quality

Canon has a higher resolution with 24.1 MP compared to Olympus's 20 MP.

Included Accessories

Canon includes a memory card and shoulder bag, enhancing value for beginners.

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

Build Quality

Olympus has a premium metal body and is weather-sealed.

Creative Features

Olympus offers advanced computational photography capabilities.

Durability

Olympus is IP53 rated for dust and water resistance.

Overall score

Canon EOS R100 Mirrorless Camera with RF-S18-
85
OM SYSTEM Olympus OM-3 Silver Micro Four Thirds
75

Specifications

SpecCanon EOS R100 Mirrorless Camera with RF-S18-OM SYSTEM Olympus OM-3 Silver Micro Four Thirds
Sensor24.1 MP CMOS20 MP BSI Live MOS
Video4K at 24 fpsS&Q mode
AutofocusDual Pixel AFAdvanced AF features
WeightLightweightPremium metal
DurabilityStandardIP53 rated

Dimension comparison

Canon EOS R100 Mirrorless Camera with RF-S18-OM SYSTEM Olympus OM-3 Silver Micro Four Thirds

Overview of the Cameras

The Canon EOS R100 is priced at $579.00, making it significantly cheaper than the OM SYSTEM Olympus OM-3, which retails for $1,699.99. This price difference of about 66% makes the Canon a more accessible option for beginner photographers or those on a budget. Both cameras cater to different segments of the market, with the Canon appealing to entry-level users and the Olympus targeting enthusiasts with advanced features.

Image Quality Comparison

The Canon EOS R100 boasts a 24.1 megapixel CMOS (APS-C) sensor, providing excellent image clarity and detail, ideal for capturing vibrant photographs. In contrast, the OM SYSTEM Olympus OM-3 features a 20 MP Stacked BSI Live MOS sensor. While the Olympus has a slightly lower megapixel count, its advanced computational photography features could enhance the overall image quality in certain conditions. Thus, while the Canon has the edge in raw resolution, the Olympus offers unique capabilities that can elevate the quality of images in more complex shooting scenarios.

Design and Build Quality

The Canon EOS R100 is noted for its compact and lightweight design, making it the smallest and lightest camera in the EOS R series. This portability is crucial for users who prioritize mobility. Conversely, the OM SYSTEM Olympus OM-3 features a vintage-styled, premium metal body that not only adds aesthetic appeal but also durability. Additionally, the Olympus camera is IP53 rated, meaning it is dustproof, splashproof, and freezeproof, making it a better choice for outdoor photographers who need a rugged camera.

Performance in Video Recording

The Canon EOS R100 supports 4K video recording at up to 24 fps, along with high-speed shooting capabilities that allow for HD video capture at up to 120 frames per second. This makes it an excellent choice for users looking to shoot video content. On the other hand, the OM SYSTEM Olympus OM-3 includes various computational photography features, such as slow motion and quick motion video in its S&Q mode, which can enhance creative video projects. While both cameras offer strong video capabilities, the Canon is more focused on standard video recording, while the Olympus adds creative flexibility.

Autofocus and Shooting Speed

The Canon EOS R100 features an advanced Dual Pixel CMOS AF system that covers up to 143 zones, making it effective for both stills and video, with a continuous capture speed of up to 6.5 shots per second. This level of autofocus precision is particularly beneficial for capturing fast-moving subjects. In contrast, while specific autofocus details for the Olympus OM-3 are not provided, its advanced computational features suggest that it offers a robust autofocus experience, especially in creative photography. The Canon's clearly defined autofocus system gives it an advantage for users prioritizing speed and accuracy in various shooting conditions.

Included Accessories and Value

The Canon EOS R100 comes bundled with a 64GB memory card and a Canon EOS 200ES shoulder bag, adding value to the overall package. This inclusion is particularly beneficial for beginners who may need additional accessories to get started. The OM SYSTEM Olympus OM-3, however, does not specify included accessories, which may mean additional purchases are necessary for new users. With the Canon's extras, buyers receive a complete starter kit that enhances its appeal, especially when considering its lower price point.

Target Audience and Use Cases

The Canon EOS R100 is designed for entry-level photographers who are just starting their journey into the world of mirrorless cameras, thanks to its user-friendly features and affordable price. The OM SYSTEM Olympus OM-3, priced significantly higher, targets more experienced users or enthusiasts looking for advanced features and durability in their photography gear. This distinction in target audience is crucial for potential buyers to consider based on their experience level and photographic needs.

Which should you buy?

If you're new to photography or looking for a budget-friendly camera, the Canon EOS R100 offers excellent value with its lower price, impressive image quality, and bundled accessories. However, if you are an experienced photographer seeking advanced features, robust build quality, and creative flexibility, the OM SYSTEM Olympus OM-3 may be worth the investment despite its higher price. Ultimately, the choice depends on your specific needs, experience level, and the type of photography you wish to pursue.