Canon RF 75- vs OM SYSTEM Olympus M.Zuiko Digital 40-
Updated July 2026 — Canon RF 75- wins on focal range and weight, OM SYSTEM Olympus M.Zuiko Digital 40- wins on portability and size.
The Canon RF 75-300mm lens offers superior focal length and image quality, making it the better choice for serious photographers. However, the Olympus lens is more budget-friendly and portable.
Why Canon RF 75- is better
Focal Length
Canon offers a longer focal range of 75-300mm compared to Olympus's 40-150mm.
Image Quality
Canon's Super Spectra Coating enhances image quality and reduces flare.
Autofocus
Canon's DC motor autofocus is more responsive for fast-paced photography.
Why OM SYSTEM Olympus M.Zuiko Digital 40- is better
Price
Olympus is more affordable at $175.99 compared to Canon's $253.95.
Weight
Olympus is lighter and more portable for everyday use.
Compactness
Olympus has a smaller size, making it easier to carry.
Overall score
Specifications
| Spec | Canon RF 75- | OM SYSTEM Olympus M.Zuiko Digital 40- |
|---|---|---|
| Focal Length | 75-300mm | 40-150mm |
| Max Aperture | f/4-5.6 | f/4-5.6 |
| Autofocus Type | DC Motor | High-Speed AF |
| Close Focus | 4.9 ft | Not Specified |
| Image Coating | Super Spectra | None |
Dimension comparison
Overview of the Canon RF 75-300mm f/4-5.6 Lens
The Canon RF 75-300mm f/4-5.6 Lens is a compact telephoto zoom lens designed for Canon RF-mount mirrorless cameras. With a versatile focal range of 75-300mm, it is ideal for capturing sports, wildlife, and portraits. The lens is priced at $253.95, making it a solid choice for those looking for quality in a travel-friendly package.
This lens weighs just over 1 lb and has a maximum aperture that varies from f/4 to f/5.6. It features Canon’s Super Spectra Coating to enhance image quality and minimize flare. Its close-focusing capability allows for semi-macro shooting, which adds to its versatility.
Overview of the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R
The OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R is another excellent telephoto zoom lens, tailored for Micro Four Thirds system cameras. Available for $175.99, it offers a 3.75x zoom range, making it a portable option for various photography needs.
This lens has a focal length of 40-150mm and a maximum aperture of f/4 to f/5.6. It employs High-Speed Imager AF (MSC) for fast focusing, although it lacks some specialized coatings found in its Canon counterpart. The Olympus lens is designed with a lightweight structure, making it easy to carry for everyday shooting.
Focal Length and Zoom Range Comparison
The Canon RF 75-300mm f/4-5.6 Lens provides a broader focal length range compared to the Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R. With a focal range of 75-300mm, the Canon lens translates to an equivalent focal length of 120-480mm on APS-C cameras, making it ideal for distant subjects.
In contrast, the Olympus lens has a focal length of 40-150mm, which is suitable for a range of subjects but doesn't offer the same extensive reach. This makes the Canon lens more advantageous for wildlife and sports photography, where capturing distant subjects is essential.
Aperture and Low-Light Performance
Both lenses feature variable maximum apertures, with the Canon’s aperture ranging from f/4 to f/5.6 and the Olympus also ranging from f/4 to f/5.6. However, due to the Canon’s longer focal length, it maintains its aperture throughout its zoom range, which can be beneficial in low-light conditions.
The optical design of the Canon lens is specifically optimized for sharpness and clarity, aided by Canon’s Super Spectra Coating that reduces lens flare and ghosting. This feature can significantly enhance performance in bright or backlit scenarios, giving the Canon lens an edge in varied lighting conditions.
Autofocus Performance
The Canon RF 75-300mm f/4-5.6 Lens employs a DC motor for autofocus, delivering responsive and accurate focusing, suitable for both stills and video. This performance is crucial for fast-paced photography, such as sports and wildlife.
On the other hand, the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R features High-Speed Imager AF (MSC), which is also designed for quick focusing. However, the Canon lens's autofocus system may offer a slight advantage in terms of versatility across different shooting scenarios, particularly in low-light conditions.
Portability and Build Quality
The Canon RF 75-300mm f/4-5.6 Lens weighs just over 1 lb and sports a slim design with a 58mm filter thread. Its compact nature makes it an excellent choice for travel and everyday use, while still providing a robust performance.
The Olympus lens is designed for portability as well, but its smaller focal range may appeal to photographers looking for a lightweight option without the need for extensive zoom capabilities. Both lenses are travel-friendly, but the Canon lens provides more versatility in focal length without compromising on weight.
Price Comparison
The Canon RF 75-300mm f/4-5.6 Lens is priced at $253.95, while the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R is available for $175.99. This means the Canon lens is about 44% more expensive than the Olympus lens.
While the Canon offers a broader focal range and enhanced features, the Olympus lens may be the more budget-friendly choice for photographers who do not require extensive zoom. The price difference also makes the Olympus lens an attractive option for those starting in photography or looking for a lightweight, versatile lens without breaking the bank.
Which should you buy?
Choosing between the Canon RF 75-300mm f/4-5.6 Lens and the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R depends on your specific photography needs. If you're looking for a lens that offers a wider focal range, better low-light performance, and enhanced image quality, the Canon lens is the better choice, despite its higher price of $253.95.
However, if you prioritize portability and budget, the Olympus lens, priced at $175.99, provides excellent value for everyday shooting scenarios. Ultimately, your choice should align with your photographic goals, whether that’s capturing distant wildlife or enjoying casual portraits.

