Canon RF vs VILTROX
Updated July 2026 — Canon RF wins on weight and aperture, VILTROX wins on price.
The Canon RF 50mm F1.8 STM Lens excels in low-light performance and autofocus, while the VILTROX 50mm F2 offers a more compact design at a lower price.
Why Canon RF is better
Low-Light Performance
Wider f/1.8 aperture allows for better low-light shooting.
Autofocus
Near-silent STM motor is ideal for video.
Brand Reputation
Canon is a well-established brand in photography.
Why VILTROX is better
Price
VILTROX is $20 cheaper.
Weight
VILTROX lens is lighter at 205g.
Bokeh Quality
9-blade aperture provides smoother bokeh.
Overall score
Specifications
| Spec | Canon RF | VILTROX |
|---|---|---|
| Aperture | f/1.8 | f/2.0 |
| Weight | 162g | 205g |
| Autofocus Type | STM | STM |
| Mount Type | RF | E-Mount |
| Bokeh Blades | 7 | 9 |
Dimension comparison
Overview of the Canon RF 50mm F1.8 STM Lens
The Canon RF 50mm F1.8 STM Lens is a versatile option for photographers seeking a compact lens for EOS R-Series cameras. Priced at $219.00, it offers a wide f/1.8 aperture and advanced optical features that enhance image quality. This lens is designed for creative photography, providing sharp images and beautiful background blur, making it ideal for portraiture and various shooting scenarios. The STM motor allows for smooth and fast autofocus, ensuring you don't miss any crucial moments while shooting.
Overview of the VILTROX 50mm F2 Full Frame Lens for Sony
The VILTROX 50mm F2 Full Frame Lens for Sony is a strong contender, particularly for users of Sony's E-mount cameras. At a price of $199.00, it is about 9% cheaper than the Canon RF lens. This lens features a 9-group, 13-element structure that includes advanced optical elements, ensuring superb image quality. With a fast f/2.0 aperture, it is excellent for portraiture and other subjects, providing a pleasing background bokeh thanks to its 9-blade circular aperture. The lightweight design makes it easy to carry, weighing only 205g.
Optical Performance Comparison
When comparing optical performance, the Canon RF 50mm F1.8 STM Lens boasts a wide f/1.8 aperture which is beneficial for low-light conditions and achieving a shallow depth of field. The lens includes an aspheric lens element and Super Spectra Coating, which minimizes flare and ghosting, resulting in sharper images. On the other hand, the VILTROX lens, with its f/2.0 aperture, features a more complex optical design with multiple advanced elements, including 3 ED and 4 HR elements, aimed at enhancing image quality and color accuracy. Both lenses excel in delivering high-quality images, but the Canon offers slightly better performance in low-light scenarios due to its wider aperture.
Build Quality and Design
In terms of build quality and design, the Canon RF 50mm F1.8 STM Lens is compact and lightweight, making it an excellent choice for photographers who prefer portability. Its design includes a robust RF mount, ensuring a secure fit on compatible cameras. Conversely, the VILTROX 50mm F2 lens is also designed for portability, weighing just 205g. Its ultra-compact design makes it convenient to carry for extended periods. Both lenses are built to deliver reliable performance, but the VILTROX’s lightweight structure may appeal more to those who prioritize ease of transport.
Autofocus System
Autofocus performance is crucial for capturing sharp images quickly. The Canon RF 50mm F1.8 STM Lens features a stepping motor (STM) that provides smooth, fast, and near-silent autofocus, making it suitable for both stills and video. The VILTROX lens also incorporates an STM motor, ensuring reliable and quick autofocus performance. While both lenses are equipped with advanced autofocus systems, the Canon's motor is noted for its near-silent operation, giving it a slight edge for video recording situations.
Pricing and Value
The pricing of the Canon RF 50mm F1.8 STM Lens at $219.00 positions it as a more premium option compared to the VILTROX lens, which retails for $199.00. This makes the VILTROX lens about $20 cheaper, or roughly 9% less expensive. Given the features offered, both lenses provide excellent value for their respective price points. The Canon lens may justify its higher price with its superior low-light performance and brand reputation, while the VILTROX lens offers competitive features at a slightly lower cost.
Ideal Use Cases
For photographers focusing on portraiture and looking for a lens that excels in low-light conditions, the Canon RF 50mm F1.8 STM Lens is an outstanding choice. Its wide aperture and reliable autofocus make it perfect for capturing sharp, beautifully blurred backgrounds. In contrast, the VILTROX 50mm F2 Full Frame Lens is ideal for those using Sony cameras who want a lightweight, compact lens that still delivers excellent image quality. Its slightly smaller aperture may be more suited for well-lit environments, making it a versatile option for various subjects.
Which should you buy?
Choosing between the Canon RF 50mm F1.8 STM Lens and the VILTROX 50mm F2 Full Frame Lens for Sony ultimately depends on your specific needs and camera system. If you prioritize low-light performance and are willing to spend a bit more, the Canon lens is a solid investment. However, if you are looking for a lightweight and compact option that is slightly more affordable, the VILTROX lens is an excellent alternative. Both lenses offer great optical quality and reliable autofocus, ensuring that any choice will serve you well in your photography journey.

