Canon RF vs VILTROX
Updated July 2026 — Canon RF wins on build and image quality, VILTROX wins on price and low-light.
The Canon RF 50mm F1.8 STM Lens offers superior build quality and performance, while the VILTROX 25mm F1.7 E provides better low-light capabilities at a lower price.
Why Canon RF is better
Build Quality
Canon lens has a more robust design.
Autofocus
Canon's STM motor provides smoother operation.
Image Quality
Canon lens reduces flare and ghosting effectively.
Why VILTROX is better
Price
VILTROX lens is more budget-friendly.
Low-Light
Wider aperture allows better performance in dim conditions.
Versatility
VILTROX is compatible with a wider range of Sony cameras.
Overall score
Specifications
| Spec | Canon RF | VILTROX |
|---|---|---|
| Aperture | f/1.8 | f/1.7 |
| Focal Length | 50mm | 25mm |
| Mount Type | RF | E |
| Autofocus Type | STM | STM |
| Minimum Focus | 0.45m | 0.33m |
Dimension comparison
Overview of the Canon RF 50mm F1.8 STM Lens
The Canon RF 50mm F1.8 STM Lens is a compact and lightweight option designed for creative photography enthusiasts. Priced at $219.00, it offers a wide f/1.8 aperture that is ideal for capturing sharp images with attractive background blur, making it an excellent choice for portraits and various photographic styles. The lens features an advanced STM motor that ensures smooth and near-silent autofocus, enhancing its usability for both stills and video.
Additionally, the Canon RF 50mm lens is designed with an aspheric lens element and Super Spectra Coating, which helps minimize flare and ghosting, thus improving overall image quality. This lens is particularly well-suited for EOS R-Series camera users, providing versatility and performance in a portable package.
Overview of the VILTROX 25mm F1.7 E
The VILTROX 25mm F1.7 E Mount Lens is priced at $176.00, making it about 17% cheaper than the Canon RF 50mm lens. This lens features a slightly wider f/1.7 aperture, which enhances low-light performance and allows for beautiful background blur. It is designed for Sony E-mount cameras, including popular models like the a6400 and a6500, making it a great option for those looking to expand their lens collection for these systems.
The VILTROX lens utilizes a sophisticated optical design with 12 elements in 10 groups, including high refractive and low dispersion elements, which helps to minimize chromatic aberrations and distortions. Its fast autofocus capability is bolstered by a new STM motor that delivers precise and near-silent performance, making it suitable for both photography and video applications.
Image Quality Comparison
In terms of image quality, both the Canon RF 50mm and the VILTROX 25mm lenses deliver impressive results, but they cater to different preferences. The Canon RF 50mm lens, with its Super Spectra Coating and aspheric lens element, is designed to reduce flare and ghosting, providing sharp images even in challenging lighting conditions.
On the other hand, the VILTROX 25mm lens boasts an optimized optical design that includes 2 High Refractive elements and 1 Extra-low Dispersion element. This combination ensures outstanding image quality while minimizing common optical issues. Photographers looking for a natural perspective similar to the human eye will appreciate the 25mm focal length, which translates to a 38mm equivalent on APS-C sensors.
Autofocus Performance
When it comes to autofocus performance, both lenses excel, but they have distinct features that may influence user preference. The Canon RF 50mm F1.8 STM lens is equipped with an STM motor that provides smooth, fast, and virtually silent autofocus operation, making it an excellent choice for portrait photographers and videographers alike.
Conversely, the VILTROX 25mm F1.7 E also features a new STM motor designed for fast and precise autofocus. It minimizes focus breathing, which is particularly beneficial for video recording, ensuring consistent framing during focus transitions. For users who prioritize video capabilities, the VILTROX lens may have the edge in this aspect.
Low-Light Performance
In low-light scenarios, the VILTROX 25mm F1.7 E lens has a slight advantage due to its wider f/1.7 aperture compared to the Canon RF 50mm’s f/1.8 aperture. This allows the VILTROX lens to gather more light, making it better suited for shooting in dimly lit environments. Both lenses, however, perform admirably, with the capability to produce stunning bokeh and sharp images in low-light conditions.
Ultimately, if low-light performance is a critical factor for your photography or videography, the VILTROX 25mm may be the more suitable option, especially for those who frequently shoot in darker settings.
Design and Build Quality
The design and build quality of both lenses reflect their intended use and target audience. The Canon RF 50mm lens is compact and lightweight, making it easy to carry for extended periods. It is designed with an emphasis on user-friendly features, ensuring that photographers can focus on their creative process without being hindered by cumbersome equipment.
In contrast, the VILTROX 25mm lens includes thoughtful design details such as an extended lens hood for better protection against stray light and improved image contrast. Additionally, it features a USB-C upgrade port, allowing users to update the lens firmware easily, which can enhance compatibility with newer camera models. This added feature may appeal to tech-savvy users who want to keep their equipment up-to-date.
Price Consideration
Price is an essential factor for many photographers when choosing between lenses. The Canon RF 50mm F1.8 STM lens is priced at $219.00, while the VILTROX 25mm F1.7 E lens is available for $176.00. This price difference of approximately $43 makes the VILTROX lens a more budget-friendly option without sacrificing quality. For those who are mindful of their spending and are looking for a good value, the VILTROX lens presents an attractive alternative.
Which should you buy?
Choosing between the Canon RF 50mm F1.8 STM Lens and the VILTROX 25mm F1.7 E Mount Lens ultimately depends on your specific needs and preferences. If you are a Canon user looking for a versatile lens for portraits and general photography, the RF 50mm is an excellent choice with its high-quality build and reliable performance. However, if you are using a Sony camera and require a more budget-friendly option with great low-light capabilities and a focus on video performance, the VILTROX 25mm is likely the better fit. Consider your shooting style, camera system, and budget to make the best decision for your photography needs.

