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, VILTROX wins on field of view and length.
The Canon RF28mm F2.8 STM Lens excels in image quality and build, while the VILTROX 9mm F2.8 offers superior low-light performance and autofocus features. Choose based on your camera system and specific needs.
Why Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle is better
Image Quality
Canon's lens has superior optical design with fewer distortions.
Build Quality
Canon's lens is compact and lightweight, ideal for travel.
Brand Reputation
Canon is a well-established brand known for high-quality optics.
Why VILTROX is better
Price
VILTROX is significantly cheaper at $199.
Field of View
VILTROX offers a wider 113.8° angle.
Autofocus Features
VILTROX has advanced Eye and Face Detection autofocus.
Overall score
Specifications
| Spec | Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle | VILTROX |
|---|---|---|
| Max Aperture | f/2.8 | f/2.8 |
| Min Focus Distance | 0.23m | 0.13m |
| Focal Length | 28mm | 9mm |
| Optical Elements | 3 aspheric | 13 elements |
| Brand | Canon | VILTROX |
Dimension comparison
Overview of the Canon RF28mm F2.8 STM Lens and VILTROX 9mm F2.8 E-Mount APS-C Lens
The Canon RF28mm F2.8 STM Lens is priced at $299.00, while the VILTROX 9mm F2.8 E-Mount APS-C Lens is about 17% cheaper at $199.00. This price difference is significant for photographers looking for budget options, especially when considering the distinct user bases of these two lenses. Canon's offering caters to full-frame camera users, while VILTROX focuses on the APS-C format, particularly for Sony cameras.
Target Audience
The Canon RF28mm F2.8 STM Lens is designed for full-frame EOS R series cameras, making it ideal for serious photographers and videographers who require high-quality optics. Its 28mm focal length translates to approximately 45mm on APS-C cameras, appealing to those who appreciate a classic perspective. In contrast, the VILTROX 9mm F2.8 E-Mount APS-C Lens targets Sony users who need a versatile ultra-wide option. With a staggering 113.8° field of view, it is perfect for landscape photography or dynamic vlogs.
Aperture and Low-Light Performance
The Canon RF28mm F2.8 STM Lens features a maximum aperture of f/2.8, which is sufficient for many lighting conditions. However, the VILTROX 9mm F2.8 E-Mount lens also has an f/2.8 aperture but captures light effectively in dim conditions, allowing for slower shutter speeds. This aspect makes the VILTROX lens particularly advantageous for photographers working in low-light environments, where clearer, less noisy images are required.
Minimum Focus Distance
When it comes to focusing capabilities, the Canon RF28mm has a minimum focus distance of about 9 inches, allowing for some close-up photography but not the tight compositions that some may seek. Conversely, the VILTROX 9mm offers a minimum focusing distance of just 0.13m (approximately 5.1 inches), making it better suited for creative compositions that emphasize dramatic foreground-background relationships. This feature could be crucial for photographers who want to capture intricate details up close.
Autofocus Capabilities
Autofocus performance is essential for modern photography, and both lenses offer different advantages. The Canon RF28mm features a Canon leadscrew type STM focus drive, which is particularly suited for smooth and quiet autofocus during video recording. On the other hand, the VILTROX 9mm lens boasts advanced Eye and Face Detection autofocus, ensuring sharp focus on subjects even in dynamic shooting environments. This makes the VILTROX a great choice for vloggers or anyone capturing fast-moving subjects.
Optical Design and Image Quality
In terms of optical design, the Canon RF28mm incorporates three aspheric elements and Canon Super Spectra Coating, which minimizes ghosting and flare, ensuring excellent image quality. The VILTROX 9mm lens takes advantage of a more complex design with 13 elements in 11 groups, including 2 aspherical elements and 3 extra-low dispersion elements. This design helps deliver edge-to-edge sharpness and minimal vignetting, making it an excellent choice for wide-angle photography where distortion can be an issue.
Size and Weight
The Canon RF28mm F2.8 STM Lens is praised for its compact design, making it a highly portable option for travel and street photography. Its lightweight pancake design means it can be easily carried without causing fatigue. On the other hand, the VILTROX 9mm lens, while still compact, does not have the same low-profile appeal. Photographers should consider how each lens fits into their overall gear setup and shooting style, especially if portability is a priority.
Which should you buy?
Ultimately, the choice between the Canon RF28mm F2.8 STM Lens and the VILTROX 9mm F2.8 E-Mount APS-C Lens comes down to your specific needs. If you’re a Canon EOS R user seeking a compact wide-angle lens for full-frame photography, the Canon RF28mm is a reliable option at $299. However, if you’re looking for an affordable ultra-wide lens that excels in low-light conditions and offers advanced autofocus features for your Sony APS-C camera, the VILTROX at $199 provides excellent value. Consider your camera system, shooting style, and budget to determine the lens that best suits your photographic endeavors.