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 focal length, VILTROX wins on field of view and minimum focus.
The Canon RF28mm F2.8 STM Lens offers superior image quality and build for full-frame users, while the VILTROX 9mm F2.8 E is a more affordable option with excellent versatility for Sony APS-C users.
Why Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle is better
Image Quality
Canon's advanced optical design minimizes ghosting and flare.
Build Quality
Canon's pancake design is compact and lightweight.
Autofocus
Canon's STM motor provides smooth and quiet video autofocus.
Why VILTROX is better
Price
VILTROX is $100 cheaper than Canon.
Field of View
VILTROX offers a wider 113.8° field of view.
Weight
VILTROX is lighter at 175g compared to Canon.
Overall score
Specifications
| Spec | Canon RF28mm F2.8 STM Lens, RF Mount, Wide-Angle | VILTROX |
|---|---|---|
| Price | $299.00 | $199.00 |
| Aperture | f/2.8 | f/2.8 |
| Autofocus | STM | STM |
| Image Quality | Excellent | Very Good |
| Compatibility | Canon RF | Sony E |
Dimension comparison
Overview of the Canon RF28mm F2.8 STM Lens
The Canon RF28mm F2.8 STM Lens is priced at $299.00, making it a solid choice for full-frame camera users seeking a versatile wide-angle option. This lens is designed specifically for Canon's RF mount and offers a lightweight pancake design that is perfect for travel and street photography. It provides a 28mm focal length that translates to approximately 45mm on APS-C cameras, bridging the gap between wide-angle and standard perspectives.
This lens features excellent image quality, aided by three aspheric elements and Canon's Super Spectra Coating, which minimizes ghosting and flare. With a minimum focus distance of about 9 inches, it allows for creative close-up shots, making it a versatile addition to any photographer's kit.
Overview of the VILTROX 9mm F2.8 E
The VILTROX 9mm F2.8 E lens is significantly more affordable at $199.00, making it about 33% cheaper than the Canon RF28mm F2.8 STM Lens. This ultra-wide-angle lens is designed for Sony E-mount cameras and offers a 113.8° field of view, making it ideal for capturing expansive landscapes and dynamic vlogs.
Constructed with a complex optical design of 13 elements in 11 groups, including high refractive and aspherical elements, this lens delivers sharp images across the frame. Its minimum focusing distance is impressively close at just 0.13 meters, allowing for stunning close-up shots that enhance its versatility.
Build Quality and Design
The Canon RF28mm F2.8 STM Lens is known for its super-compact design, which makes it easy to carry without compromising on performance. Its pancake style contributes to a lightweight feel, ideal for photographers who prioritize portability. The lens accepts 55mm filters and supports the use of a dedicated lens hood for enhanced light control.
In contrast, the VILTROX 9mm F2.8 E weighs only 175 grams and features a compact build that enhances its portability. It includes a lotus-shaped lens hood, which helps prevent stray light and reduces the likelihood of dark corners in images. Both lenses emphasize portability, but the VILTROX is particularly lightweight, making it a great choice for on-the-go photography.
Autofocus Performance
The autofocus capabilities of the Canon RF28mm F2.8 STM Lens are bolstered by its leadscrew type STM motor, which is particularly suited for smooth and quiet video autofocus. This is a significant advantage for videographers looking to capture high-quality footage without distracting noises.
On the other hand, the VILTROX 9mm F2.8 E also features an STM motor, which promises fast and accurate autofocus performance. This makes it an excellent option for capturing fast-moving subjects, whether in street photography or vlogging scenarios. Both lenses excel in autofocus, but the Canon lens is specifically highlighted for its quiet operation, making it better suited for video work.
Image Quality
The Canon RF28mm F2.8 STM Lens offers exceptional image quality with three aspheric elements and Canon Super Spectra Coating, ensuring minimal ghosting and flare. This results in vibrant and sharp images that are ideal for both still photography and videography. The lens is particularly effective in various lighting conditions, making it a reliable choice for diverse shooting environments.
The VILTROX 9mm F2.8 E also promises high-quality imagery with its advanced optical design, featuring 13 elements, including 3 HR elements and 3 ED elements. This configuration helps produce sharp images from the center to the edge, which is crucial for landscape photography and architectural shots. While both lenses deliver outstanding image quality, the specific optical technologies employed may cater to different shooting preferences.
Versatility in Usage
The Canon RF28mm F2.8 STM Lens is versatile enough for a range of applications, from everyday photography to more specialized video work. Its everyday 28mm coverage is perfect for capturing street scenes and travel moments, while its wide aperture allows for good performance in low light.
The VILTROX 9mm F2.8 E excels in versatility as well, particularly for those who enjoy vlogging or need a lens that can adapt to various creative scenarios. Its ultra-wide field of view suits both landscape photography and tight indoor shots, making it an adaptable tool for different shooting environments.
Pricing Consideration
At a price of $299.00, the Canon RF28mm F2.8 STM Lens positions itself as a premium option for full-frame Canon users. Meanwhile, the VILTROX 9mm F2.8 E is priced at $199.00, making it a more budget-friendly alternative, especially for users of Sony's APS-C cameras. The significant price difference of about $100 may influence budget-conscious photographers or those just starting their photography journey.
Which should you buy?
Choosing between the Canon RF28mm F2.8 STM Lens and the VILTROX 9mm F2.8 E largely depends on your camera system and specific photographic needs. If you’re a Canon full-frame user looking for a compact, versatile lens with exceptional image quality, the Canon RF28mm F2.8 STM is an excellent choice. However, if you are using a Sony APS-C camera and want an ultra-wide-angle option that is both lightweight and more affordable, the VILTROX 9mm F2.8 E offers impressive performance at a lower price point. Ultimately, both lenses have their strengths, making them worthy investments for different types of photographers.

