Canon RF75- vs Tamron 28-200 F/2.8-5.6 Di III RXD for Sony
Updated July 2026 — Canon RF75- wins on price and portability, Tamron 28-200 F/2.8-5.6 Di III RXD for Sony wins on aperture and weight.
The Canon RF75-300mm offers excellent portability and a long zoom range at a lower price, while the Tamron 28-200mm excels in low-light performance and versatility.
Why Canon RF75- is better
Price
Canon RF75-300mm is $239, significantly cheaper than Tamron.
Weight
Canon RF75-300mm is lighter and more portable.
Included Accessories
Canon RF75-300mm comes with a cleaning kit and UV filter.
Why Tamron 28-200 F/2.8-5.6 Di III RXD for Sony is better
Aperture
Tamron 28-200mm has a faster maximum aperture of F2.8.
Versatility
Tamron 28-200mm covers a wider focal length range.
Build Quality
Tamron 28-200mm features moisture-resistant construction.
Overall score
Specifications
| Spec | Canon RF75- | Tamron 28-200 F/2.8-5.6 Di III RXD for Sony |
|---|---|---|
| Focal Length | 75-300mm | 28-200mm |
| Max Aperture | F4-5.6 | F2.8-5.6 |
| Compatibility | Canon EOS R | Sony E-Mount |
| Weight | Approx. 500g | 20.3 oz |
| Included Accessories | Yes | No |
Dimension comparison
Introduction to the Canon RF75-300mm and Tamron 28-200mm
In the world of camera lenses, the choice between the Canon RF75-300mm F4-5.6 Zoom Lens and the Tamron 28-200 F/2.8-5.6 can significantly impact your photography. While both lenses cater to different needs and preferences, understanding their unique features can help you make an informed decision. The Canon RF75-300mm is priced at $239.00, making it about 66% cheaper than the Tamron 28-200mm, which retails for $699.00. This price difference sets the stage for a deeper comparison of their performance and suitability.
Lens Compatibility and Mount Type
The Canon RF75-300mm is exclusively designed for Canon EOS R series cameras, including models like the R100 and R5. In contrast, the Tamron 28-200mm is compatible with Sony mirrorless full-frame and APS-C E-Mount cameras. This distinction is crucial for photographers when selecting a lens, as using a lens not compatible with your camera can lead to frustration and suboptimal performance. If you own a Canon EOS R camera, the RF75-300mm is the clear choice, while Sony users will benefit from the versatility of the Tamron lens.
Focal Length and Zoom Range
When it comes to focal length, the Canon RF75-300mm boasts an impressive zoom range from 75mm to 300mm, allowing for greater flexibility in capturing distant subjects. The Tamron 28-200mm, on the other hand, offers a more versatile range of 28mm to 200mm, making it suitable for both wide-angle and moderate telephoto shots. This means that while the Canon lens excels in long-distance photography, the Tamron lens provides a broader spectrum for various compositions. Depending on your photography style, this can be a significant factor in your decision-making process.
Aperture and Low-Light Performance
The Tamron 28-200mm lens features a fast maximum aperture of F2.8 at the 28mm wide-angle end, which is beneficial for low-light conditions and achieving a shallow depth of field. The Canon RF75-300mm, with its maximum aperture of F4-5.6, cannot match the Tamron's low-light capabilities. This difference can affect your ability to capture sharp, well-exposed images in dim environments. If you often shoot in challenging lighting conditions, the Tamron lens's superior aperture may be a crucial advantage.
Build Quality and Portability
Portability is a key consideration for photographers on the go. The Canon RF75-300mm is designed to be compact and lightweight, weighing roughly the same as a 500ml water bottle. This makes it easy to carry without sacrificing functionality. In comparison, the Tamron 28-200mm is also lightweight at 20.3 oz. and maintains a compact size of 4.6 inches. Both lenses prioritize mobility, but the Canon may have the edge in terms of sheer convenience due to its lighter weight. The choice may depend on how often you plan to transport your lens during shoots.
Image Quality and Performance
Image quality is paramount for any photographer, and both lenses deliver impressive results within their respective ranges. The Canon RF75-300mm is designed to provide excellent image quality throughout its zoom range, and it features advanced eye detection technology for precise focus, even at maximum zoom. The Tamron 28-200mm also offers superior optical performance, designed to accommodate high-resolution cameras with minimal distortion. While both lenses are built to produce stunning images, the specific needs of your photographic style will dictate which lens performs better for you.
Additional Features and Accessories
The Canon RF75-300mm includes a UV filter, lens cap keeper, and a comprehensive cleaning kit, making it an attractive package for beginners and enthusiasts alike. These accessories enhance the overall value of the lens and ensure that you are equipped to take care of your investment. In contrast, the Tamron 28-200mm features moisture-resistant construction and a fluorine coating, adding durability and protection against the elements. While the Canon package is generous, the Tamron’s robust build quality may appeal to those who frequently shoot in varying weather conditions.
Which should you buy?
Ultimately, the decision between the Canon RF75-300mm and the Tamron 28-200mm comes down to your specific needs and camera system. If you own a Canon EOS R camera and prioritize portability, a long zoom range, and a bundled cleaning kit, the Canon RF75-300mm at $239.00 is an excellent choice. Conversely, if you are a Sony user seeking a versatile all-in-one lens with a fast aperture suitable for low-light conditions, the Tamron 28-200mm, despite its higher price of $699.00, offers unparalleled flexibility. Each lens has its strengths, so weigh your photography style against the features to make the best choice.

