Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle vs VILTROX
Updated July 2026 — Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle wins on weight and size, VILTROX wins on price.
The Canon RF28mm F2.8 STM Lens offers superior optical quality and is ideal for full-frame users, while the VILTROX 15mm F1.7 provides excellent value for APS-C shooters.
Why Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle is better
Optical Quality
Canon lens has superior image quality with advanced coatings.
Full-Frame Compatibility
Designed for full-frame cameras, offering better versatility.
Compact Design
Slim profile makes it highly portable.
Why VILTROX is better
Price
VILTROX lens is more budget-friendly.
Wide Angle
15mm focal length provides a wider perspective.
Autofocus Speed
Faster autofocus for action shots.
Overall score
Specifications
| Spec | Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle | VILTROX |
|---|---|---|
| Focal Length | 28mm | 15mm |
| Aperture | f/2.8 | f/1.7 |
| Angle of View | N/A | 84.9° |
| Minimum Focus | 9 in | 0.23m |
| Autofocus | STM | STM |
Dimension comparison
Overview
When it comes to choosing a lens, the Canon RF28mm F2.8 STM Lens and the VILTROX 15mm F1.7 E-Mount Lens for Sony both present unique advantages for photographers, but they cater to different needs. The Canon lens is priced at $299.00, while the VILTROX is more budget-friendly at $239.00, making it about 17% cheaper. This price difference may influence buyers who are looking for high-quality optics without breaking the bank.
Design and Build Quality
The Canon RF28mm F2.8 STM Lens boasts a super-compact design that is lightweight and easy to carry, making it ideal for travel and everyday photography. Its pancake style allows it to fit snugly into camera bags without taking up much space. On the other hand, the VILTROX 15mm F1.7 E-Mount Lens also offers a compact design but emphasizes a robust build that can withstand various shooting conditions. Both lenses are designed to be portable, but the Canon’s slim profile might appeal more to those who prioritize minimalism in their gear.
Optical Performance
Regarding optical quality, the Canon RF28mm F2.8 STM Lens excels with its three aspheric elements and Canon Super Spectra Coating, which minimizes ghosting and flare, ensuring excellent image quality. The VILTROX 15mm F1.7 features a large aperture, allowing for a dreamy background blur and exceptional low-light performance. While both lenses provide impressive image sharpness, the Canon lens is tailored for full-frame cameras, while the VILTROX lens is designed specifically for Sony’s APS-C format, making the choice largely dependent on the camera system you own.
Versatility in Shooting
The Canon RF28mm F2.8 STM Lens offers a versatile focal length of 28mm, making it suitable for both stills and video. It provides an equivalent of approximately 45mm on APS-C cameras, allowing for a natural perspective that's ideal for street photography, landscapes, and vlogs. The VILTROX 15mm F1.7, with its wider 15mm focal length, offers an expansive 84.9° angle of view, making it perfect for architecture, landscapes, and capturing tight spaces. The choice between these two lenses ultimately depends on whether you prefer a standard focal length or a wider perspective.
Autofocus Capabilities
Autofocus performance is crucial for many photographers, and both lenses offer commendable systems. The Canon’s leadscrew type STM (stepping motor) focus drive is designed for smooth and quiet autofocus, making it ideal for video shooting. In contrast, the VILTROX 15mm F1.7 is equipped with an STM motor that achieves fast and precise autofocus, particularly when capturing moving subjects. If you primarily shoot video, the Canon lens may be more advantageous, while the VILTROX lens appeals to users who prioritize quick focus for action shots.
Minimum Focus Distance
The minimum focus distance is a significant factor for macro and close-up photography. The Canon RF28mm F2.8 STM Lens has a minimum focus distance of approximately 9 inches, allowing for decent close-ups. The VILTROX 15mm F1.7 also features a closest focusing distance of 0.23m, offering similar close-up capabilities. This means both lenses provide opportunities for creative compositions involving close subjects, making them suitable for various styles of photography.
Price Comparison
The Canon RF28mm F2.8 STM Lens is priced at $299.00, while the VILTROX 15mm F1.7 E-Mount Lens is available for $239.00. This price disparity of about $60 makes the VILTROX a more accessible option for budget-conscious photographers. However, the investment in the Canon lens may be justified for those seeking a full-frame solution and the brand's renowned optical quality. Ultimately, the price difference could be a decisive factor for many buyers.
Which should you buy?
Choosing between the Canon RF28mm F2.8 STM Lens and the VILTROX 15mm F1.7 E-Mount Lens depends on your specific needs and camera system. If you own a full-frame Canon EOS R camera and value compactness combined with excellent image quality, the Canon lens is a fantastic choice despite its higher price. Conversely, if you are using a Sony APS-C camera and need a wider angle for landscapes or vlogging, the VILTROX lens offers superior value with its lower price and impressive autofocus capabilities. Ultimately, both lenses have their strengths, so consider your photographic style and equipment before making a decision.

