Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens vs VILTROX
Updated July 2026 — Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens wins on aperture and focal length, VILTROX wins on price and focus distance.
The Canon RF50mm F1.8 STM lens excels in low-light performance and versatility, while the VILTROX 9mm F2.8 offers an ultra-wide perspective at a lower price.
Why Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens is better
Aperture
Canon has a larger f/1.8 aperture for better low-light performance.
Versatility
Canon's 50mm focal length is ideal for various photography styles.
Build Quality
Canon lens is specifically designed for EOS R series cameras.
Why VILTROX is better
Price
VILTROX is priced lower at $199.
Field of View
VILTROX offers a wider 113.8° angle.
Minimum Focus
VILTROX has a closer minimum focusing distance of 0.13m.
Overall score
Specifications
| Spec | Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens | VILTROX |
|---|---|---|
| Aperture | f/1.8 | f/2.8 |
| Field of View | N/A | 113.8° |
| Weight | 0.44 lbs | 0.55 lbs |
| Auto Focus | STM | Eye/Face Detection |
| Minimum Focus | 0.45m | 0.13m |
Dimension comparison
Overview of the Canon RF50mm F1.8 STM Lens
The Canon RF50mm F1.8 STM lens is a versatile option for those using EOS R series mirrorless cameras. With a current price of $219.00, it offers a large f/1.8 aperture, making it an excellent choice for low-light photography and creative background blur. This lens is compact and lightweight, designed for users seeking a fixed focal length lens that can handle various shooting scenarios, from portraits to landscapes. Canon has optimized the lens with advanced coatings to minimize ghosting and flare, ensuring high-quality images.
Overview of the VILTROX 9mm F2.8 E-Mount APS-C Lens
The VILTROX 9mm F2.8 E-Mount APS-C lens is priced at $199.00, making it about 9% cheaper than the Canon RF50mm lens. It features a wide f/2.8 aperture, which allows for effective low-light performance and reduces blur in handheld shots. This lens provides an ultra-wide angle of 113.8°, ideal for capturing expansive landscapes and tight spaces. With a minimum focusing distance of just 0.13m, it allows for creative depth effects and dramatic compositions, making it well-suited for vlogs and group selfies.
Aperture and Low-Light Performance
When it comes to aperture, the Canon RF50mm offers a larger f/1.8, which is superior for low-light conditions compared to the VILTROX's f/2.8. This larger aperture enables the Canon lens to capture more light, providing better performance in dim environments and allowing for a shallower depth of field. Users looking to achieve that classic bokeh effect will find the Canon lens particularly advantageous. In contrast, while VILTROX's f/2.8 is still effective for low-light photography, it may not perform as well as the Canon in extremely dark conditions.
Focal Length and Field of View
The Canon RF50mm is a standard prime lens that excels in versatility, making it suitable for a range of photography styles. Its 50mm focal length is ideal for portraits and general photography, providing a natural perspective. On the other hand, the VILTROX 9mm lens offers an ultra-wide angle view equivalent to a 13.5mm lens on a full-frame camera, capturing a much broader field of view. This makes the VILTROX particularly useful for landscape photography, architecture, and vlogging, where context and background are essential.
Autofocus Capabilities
Both lenses incorporate advanced autofocus capabilities, but they cater to different needs. The Canon RF50mm employs a Stepping Motor (Gear-Type STM) that ensures smooth and quiet autofocus, ideal for video recording and shooting in quiet environments. The VILTROX 9mm, however, features Eye and Face Detection autofocus that excels in keeping subjects in focus, especially during dynamic shooting scenarios like vlogs or street photography. This difference highlights the Canon’s strength in still photography and video, while VILTROX is tailored for fast-paced environments.
Build Quality and Design
The Canon RF50mm is noted for its compact and lightweight design, making it easy to carry around. It is specifically designed for EOS R series cameras, ensuring good integration with various models. Conversely, the VILTROX lens, while also compact, is designed for Sony E-Mount cameras, with a focus on wide-angle photography. Both lenses incorporate advanced optical designs to minimize optical distortions, but the choice between them may depend on the camera system already in use.
Price Point Comparison
At $219.00, the Canon RF50mm is priced higher than the VILTROX 9mm, which retails for $199.00. The price difference of $20 means that the VILTROX is approximately 9% cheaper. For budget-conscious photographers or videographers, this price point may influence their decision, especially when considering the features each lens offers for the respective genres of photography they intend to pursue.
Which should you buy?
The choice between the Canon RF50mm F1.8 STM and the VILTROX 9mm F2.8 E-Mount lens ultimately depends on your specific photography needs. If you prioritize low-light performance, versatility, and a classic 50mm perspective, the Canon lens may be the better option. However, if you require an ultra-wide angle lens for landscapes, vlogging, or architecture at a lower price point, the VILTROX lens stands out as an attractive choice. Consider your camera system and shooting style to make the best decision for your photography journey.

