Canon EF 75- vs Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle
Updated July 2026 — Canon EF 75- wins on focal length, Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle wins on focusing and image quality.
The Canon RF28mm F2.8 STM Lens offers superior image quality and compact design, making it a better choice for serious photographers. However, the Canon EF 75-300mm is more versatile and budget-friendly.
Why Canon EF 75- is better
Price
Canon EF 75-300mm is 43% cheaper.
Versatility
Canon EF 75-300mm has a wider focal length range.
Weight
Canon EF 75-300mm is lighter than RF28mm.
Why Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle is better
Image Quality
Canon RF28mm has advanced optics.
Compactness
Canon RF28mm is more portable.
Focusing
Canon RF28mm has smoother autofocus.
Overall score
Specifications
| Spec | Canon EF 75- | Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle |
|---|---|---|
| Focal Length | 75-300mm | 28mm |
| Max Aperture | f/4-5.6 | f/2.8 |
| Min Focus Dist | 4.9 ft | 9 in |
| Lens Elements | 13 elements | 3 aspheric |
| Weight | 1.2 lbs | 0.5 lbs |
Dimension comparison
Introduction to the Lenses
When it comes to selecting a lens for your Canon camera, the choice between the Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens and the Canon RF28mm F2.8 STM Lens can significantly affect your photography experience. Each lens is designed for different shooting needs and styles, making them suitable for various photographers. The EF 75-300mm is priced at $169.00, while the RF28mm comes at a higher price of $299.00, making the former about 43% cheaper. Understanding their features and intended use can help you make an informed decision.
Focal Length and Versatility
The Canon EF 75-300mm offers a focal length range of 75-300mm, which is ideal for capturing distant subjects, making it a great choice for wildlife and sports photography. Its versatile zoom capability allows photographers to frame shots without needing to change lenses frequently. In contrast, the Canon RF28mm has a fixed focal length of 28mm, which is excellent for wide-angle shots, particularly in street photography and landscapes. This means that while the EF lens excels in versatility, the RF lens provides a more specialized approach to wide-angle photography.
Build and Design
The design of the Canon EF 75-300mm is characterized by its longer barrel, which can be cumbersome compared to the compact and lightweight nature of the Canon RF28mm. The EF lens contains 13 elements in 9 groups, while the RF lens features a pancake design that is not only super-compact but also highly portable, making it easier to carry around during travels. This compactness of the RF28mm can be a significant advantage for photographers who prioritize mobility and ease of use.
Image Quality
When it comes to image quality, the Canon RF28mm is engineered for excellent performance. It includes three aspheric elements and Canon's Super Spectra Coating, which minimizes ghosting and flare, enhancing overall image clarity. The EF 75-300mm, while capable, may not deliver the same level of image quality, particularly at its maximum aperture. Photographers looking for superior image performance, especially in challenging lighting conditions, may find the RF28mm lens more appealing due to its advanced construction designed for modern digital sensors.
Focusing Mechanism
The focusing mechanisms differ significantly between the two lenses. The Canon EF 75-300mm utilizes a front group rotating extension system with a Micromotor for focus adjustment. This system may not be as smooth or quiet, especially during video recording. Conversely, the Canon RF28mm features a leadscrew type STM (stepping motor) focus drive, which is optimized for quiet and smooth autofocus, particularly beneficial for videographers. This makes the RF28mm a more suitable option for capturing video content without distracting focus noise.
Minimum Focus Distance
The minimum focus distance is another critical factor to consider. The Canon RF28mm has a minimum focus distance of approximately 9 inches, allowing for more creative close-up shots. This capability is particularly useful for capturing details in street photography or product photography. The EF 75-300mm has a closer focusing distance of 1.5 meters (approximately 4.9 feet), which restricts its ability to get close to subjects, making the RF28mm a more versatile choice for those who enjoy macro-like photography.
Price Comparison
The price difference between the two lenses is substantial, with the Canon EF 75-300mm priced at $169.00 and the Canon RF28mm at $299.00. This places the EF lens at about 43% less expensive than the RF lens. For photographers on a budget or those who are just starting, the lower price of the EF lens may be appealing. However, the RF28mm offers advanced features and superior image quality that may justify its higher price for more serious photographers.
Which should you buy?
Choosing between the Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens and the Canon RF28mm F2.8 STM Lens ultimately depends on your specific photography needs. If you require versatility and the ability to capture distant subjects, the EF 75-300mm is a solid choice at a lower price point. However, if you are looking for excellent image quality, compact design, and superior autofocus for video, the RF28mm is worth the investment. Consider your shooting style and preferences to make the best choice for your photography journey.

