Canon RF16mm F2.8 STM Lens vs VILTROX AF
Updated July 2026 — Canon RF16mm F2.8 STM Lens wins on length and weight, VILTROX AF wins on focal length and aperture.
The Canon RF16mm F2.8 STM Lens offers superior image quality and performance, while the VILTROX AF 28mm F4.5 XF Pancake Lens is a budget-friendly and lightweight option.
Why Canon RF16mm F2.8 STM Lens is better
Image Quality
Canon lens has a brighter f/2.8 aperture.
Autofocus
Canon's STM motor provides smoother video recording.
Versatility
Canon lens is better for landscapes and astrophotography.
Why VILTROX AF is better
Price
VILTROX lens is 62% cheaper.
Portability
VILTROX lens is lighter and slimmer.
Unique Features
VILTROX has a slide cap that transforms into a lens cap.
Overall score
Specifications
| Spec | Canon RF16mm F2.8 STM Lens | VILTROX AF |
|---|---|---|
| Max Aperture | f/2.8 | f/4.5 |
| Focal Length | 16mm | 28mm |
| Weight | 0.5 lbs | 0.13 lbs |
| Autofocus | STM | VCM |
| Compatibility | EOS R | Fuji X-Mount |
Dimension comparison
Overview of the Canon RF16mm F2.8 STM Lens
The Canon RF16mm F2.8 STM Lens is priced at $259.00 and is designed specifically for the EOS R series mirrorless cameras. This ultra-wide-angle fixed focal length prime lens is Canon's first of its kind, boasting a bright f/2.8 maximum aperture. With a minimum focusing distance of 5.11 inches, it enables photographers to capture stunning close-ups while maintaining a broader perspective. The lens weighs exceptionally little for its category, making it easy to carry around, which is ideal for vlogging and landscape photography.
Overview of the VILTROX AF 28mm F4.5 XF Pancake Lens
In contrast, the VILTROX AF 28mm F4.5 XF Pancake Lens is an even more affordable option, available for $99.00, making it about 62% cheaper than the Canon lens. Designed for Fuji X-mount cameras, this ultra-light and slim lens is great for on-the-go shooting. It features exceptional image quality thanks to its six-element design, which includes two ED and two aspherical lenses. The unique front element creates beautiful starburst effects, enhancing the visual quality of your photos.
Image Quality Comparison
When it comes to image quality, both lenses have distinct advantages. The Canon RF16mm F2.8 STM Lens is equipped with a bright f/2.8 maximum aperture that allows for high image quality, particularly in low-light conditions. This makes it an excellent choice for capturing landscapes or indoor shots where lighting may be challenging. On the other hand, the VILTROX AF 28mm F4.5 XF Pancake Lens also delivers impressive sharpness and vibrant colors, thanks to its combination of ED and aspherical elements. Users can expect stunning results, especially in wide-angle perspectives.
Autofocus Performance
The autofocus capabilities differ between the two lenses, with the Canon lens featuring a stepping motor (gear-type STM) for smooth and silent autofocus during video recording. This is particularly beneficial for vlogging and video content creation. Meanwhile, the VILTROX lens utilizes a built-in VCM motor that supports face and eye recognition for quick and precise autofocus. Both systems offer efficient performance, making them suitable for different shooting scenarios, but the Canon lens may have a slight edge for videographers due to its quiet operation.
Portability and Design
In terms of portability, the VILTROX lens is significantly lighter at just 60 grams and measures only 15.3mm in thickness. This makes it one of the most compact options available, perfect for travel and street photography. The Canon RF16mm F2.8 STM Lens, while still compact for an ultra-wide lens, is heavier and bulkier in comparison. Its design favors more serious photography applications, but it may not be as convenient for casual shooters who prioritize weight and size.
Versatility of Use
Both lenses offer versatility, but they cater to different needs. The Canon RF16mm F2.8 is ideal for landscape photography, astrophotography, and interior shots due to its ultra-wide angle of view. It allows for creative experimentation with perspectives and can be used effectively in various situations. Conversely, the VILTROX AF 28mm F4.5 XF is better suited for everyday photography and vlogging, thanks to its lightweight design and unique features, like the slide cap that transforms into a lens cap. This makes it fun and practical for casual users.
Price Comparison
The price difference between the two lenses is significant, with the Canon RF16mm F2.8 STM Lens retailing for $259.00 and the VILTROX AF 28mm F4.5 XF Pancake Lens priced at $99.00. This makes the VILTROX lens about 62% cheaper, appealing to budget-conscious photographers or those just starting out. While the Canon lens justifies its higher price with advanced features and superior build quality, the VILTROX lens offers great value for those who may not need the extensive capabilities of a more expensive lens.
Which should you buy?
Ultimately, the choice between the Canon RF16mm F2.8 STM Lens and the VILTROX AF 28mm F4.5 XF Pancake Lens hinges on your specific needs and budget. If you're looking for a high-quality ultra-wide-angle lens for your EOS R series camera and are willing to invest more for superior image quality and performance, the Canon lens is a fantastic option. However, if you prefer a lightweight, budget-friendly lens for your Fuji X-mount camera that offers solid image quality and versatility for casual use, the VILTROX lens is a worthy contender. Both lenses have their merits, but your choice should align with your shooting style and requirements.

