Canon RF vs VILTROX AF
Updated July 2026 — Canon RF wins on price and focal length, VILTROX AF wins on weight and aperture.
The Canon RF 50mm F1.8 STM Lens excels in low-light performance and portrait photography, while the VILTROX AF 9mm F2.8 offers versatility and a budget-friendly option for ultra-wide shots.
Why Canon RF is better
Aperture
Wider f/1.8 aperture for better low-light performance
Portraits
Ideal for portrait photography with beautiful background blur
Brand Reputation
Canon is a well-established brand in photography
Why VILTROX AF is better
Price
More budget-friendly at $199.00
Ultra-Wide
Offers an ultra-wide angle view for landscapes
Compatibility
Compatible with a wider range of Sony E-Mount cameras
Overall score
Specifications
| Spec | Canon RF | VILTROX AF |
|---|---|---|
| Brand | Canon | VILTROX |
| Mount Type | RF | Sony E |
| Max Aperture | f/1.8 | f/2.8 |
| Focal Length | 50mm | 9mm |
| Weight | 200g | 300g |
Dimension comparison
Price Comparison
The Canon RF 50mm F1.8 STM Lens is priced at $219.00, while the VILTROX AF 9mm F2.8 APS-C Lens for Sony E-Mount is available for $199.00, making the VILTROX lens about 9% cheaper. This price difference might influence budget-conscious photographers looking for a capable lens without overspending. With the VILTROX lens being less expensive, it presents an attractive option for those who need an ultra-wide angle lens for their Sony E-Mount cameras, especially considering its features tailored for landscape and vlog photography.
Aperture and Low-Light Performance
The Canon RF 50mm F1.8 features a wide f/1.8 aperture, while the VILTROX AF 9mm has a f/2.8 aperture. The wider aperture of the Canon lens allows for better low-light performance, giving users the ability to capture sharper images in dim conditions. This characteristic is particularly beneficial for portraits, where depth of field and background blur are essential. However, the VILTROX lens, with its f/2.8 aperture, still offers decent low-light capability and excels in providing a bright view for astrophotography and city nightscapes, making it versatile for various shooting scenarios.
Focal Length and Perspective
The Canon RF 50mm lens offers a standard focal length ideal for portraits and general photography, while the VILTROX AF 9mm lens provides an ultra-wide angle view with a focal length equivalent to 13.5mm on full-frame cameras. This vast difference in focal length enables the VILTROX to capture expansive landscapes and unique perspectives, particularly useful for architecture and vlogging. The Canon lens, on the other hand, is more suited for traditional portrait photography, giving photographers a more classic look with natural proportions.
Autofocus Performance
Both lenses are equipped with advanced autofocus systems. The Canon RF 50mm uses an STM motor for smooth and near-silent autofocus, which is essential for both photography and video recording. The VILTROX lens also features a high-precision STM stepping motor that ensures fast and silent autofocus performance. This makes both lenses capable for a variety of shooting situations. However, the VILTROX lens shines in its versatility for video applications, especially when shooting in dynamic environments where noise reduction is crucial.
Build Quality and Design
In terms of design, the Canon RF 50mm is compact and lightweight, making it a convenient choice for photographers on the go. Its aspheric lens element contributes to its performance, while the VILTROX AF 9mm lens is also designed to be lightweight and portable, featuring a metal lens mount and a 52mm filter thread. The VILTROX lens is part of the Air series, emphasizing compactness and ease of use. Both lenses are built to withstand regular use, but the VILTROX’s USB-C firmware upgrade support adds a layer of long-term reliability, allowing users to keep the lens up-to-date with the latest technology.
Compatibility and Versatility
The Canon RF 50mm F1.8 STM is specifically designed for Canon EOS R-Series cameras, ensuring optimal performance with these models. In contrast, the VILTROX AF 9mm F2.8 lens is designed for a broader range of Sony E-Mount cameras, including popular models like the a6000 series and the ZV-E10. This wider compatibility makes the VILTROX lens highly versatile for Sony users, catering to both enthusiasts and professionals who require an ultra-wide lens for various applications.
Use Cases and Photography Style
Choosing between these two lenses largely depends on the intended use. The Canon RF 50mm is perfect for portrait photographers seeking sharp images with beautiful background blur due to its wide aperture. It excels in capturing the essence of a subject with a pleasing bokeh effect. Meanwhile, the VILTROX AF 9mm lens targets landscape and architectural photographers who need that extra field of view to capture expansive scenes. Its close-focus capabilities also allow for creative compositions that can add depth to storytelling visuals, making it ideal for vloggers and content creators.
Which should you buy?
Ultimately, the choice between the Canon RF 50mm F1.8 STM Lens and the VILTROX AF 9mm F2.8 APS-C Lens for Sony E-Mount hinges on your specific photography needs. If you prioritize low-light performance and portrait photography, the Canon lens might be the better fit, albeit at a higher price point. However, if you are looking for an ultra-wide angle lens that excels in versatility and is more budget-friendly, the VILTROX lens stands out as an excellent choice, especially for those using Sony cameras.

