Canon RF vs VILTROX
Updated July 2026 — Canon RF wins on aperture and autofocus, VILTROX wins on price and portability.
The Canon RF 50mm F1.8 STM Lens excels in portrait photography with its wide aperture, while the VILTROX 20mm F2.8 offers great value for wide-angle shots.
Why Canon RF is better
Aperture
Wider f/1.8 aperture for better low-light performance
Image Quality
Super Spectra Coating reduces ghosting and flare
Autofocus
STM motor provides smooth and silent autofocus
Why VILTROX is better
Price
Cheaper at $176.00 compared to $219.00
Weight
Lighter at 173g for better portability
Wide Angle
20mm focal length ideal for landscapes
Overall score
Specifications
| Spec | Canon RF | VILTROX |
|---|---|---|
| Focal Length | 50mm | 20mm |
| Aperture | f/1.8 | f/2.8 |
| Weight | 200g | 173g |
| Autofocus Type | STM | Fast AF |
| Coating | Super Spectra | None |
Dimension comparison
Overview of the Canon RF 50mm F1.8 STM Lens
The Canon RF 50mm F1.8 STM Lens offers a wide f/1.8 aperture, making it an excellent choice for portrait photography and low-light conditions. Priced at $219.00, this lens is compact and lightweight, making it easy to carry for various photography situations. The lens features an STM motor that ensures smooth and near-silent autofocus, which is particularly beneficial for video recording and spontaneous shoots. Additionally, the Super Spectra Coating helps reduce ghosting and flare, enhancing image quality. Overall, the Canon RF 50mm F1.8 STM Lens is designed for EOS R-Series cameras, providing versatility and sharp image output.
Overview of the VILTROX 20mm F2.8 Z-Mount Lens
The VILTROX 20mm F2.8 Z-Mount Lens is a full-frame wide-angle lens priced at $176.00, making it about 17% cheaper than the Canon lens. With a fast f/2.8 aperture and a focal length of 20mm, this lens is ideal for capturing expansive landscapes and architectural photography. Weighing only 173 grams, it is designed for portability, perfect for photographers on the go. Its fast autofocus capabilities allow for capturing moving subjects with precision and minimal noise, which is advantageous for both photography and videography. The lens features an optical structure that includes 10 elements in 8 groups, ensuring that images remain clear and distortion-free.
Autofocus Performance
Autofocus performance is a key differentiator between the Canon RF 50mm F1.8 STM Lens and the VILTROX 20mm F2.8 Z-Mount Lens. The Canon lens utilizes an STM motor for smooth and near-silent operation, making it suitable for both photography and video work. In contrast, the VILTROX lens boasts fast autofocus capabilities that excel in capturing fast-moving subjects, enhancing its usability in dynamic environments. This difference may sway users who prioritize speed and silence in their shooting experience, with VILTROX specifically highlighting its near-silent shutter sound as a major plus.
Build Quality and Portability
When it comes to build quality and portability, both lenses have their strengths. The Canon RF 50mm F1.8 STM Lens is compact and lightweight, making it an excellent option for photographers who need a reliable lens for various occasions. However, the VILTROX 20mm F2.8 Z-Mount Lens takes portability a step further, weighing in at just 173 grams, which can be a significant advantage for those who often shoot on location. The compact design of the VILTROX lens makes it easier to carry around, especially during long shooting sessions or travel.
Lens Versatility
In terms of versatility, the Canon RF 50mm F1.8 STM Lens shines with its wide f/1.8 aperture, providing beautiful background blur and making it an ideal choice for portrait photography. This lens can also be used creatively in various other settings. On the other hand, the VILTROX 20mm F2.8 Z-Mount Lens, with its wider focal length, is designed for more expansive compositions, making it suitable for landscapes and architectural shots. Depending on the type of photography one engages in, either lens could be considered more versatile based on their specific shooting needs.
Image Quality
Image quality is essential for any lens, and both the Canon RF 50mm F1.8 STM Lens and the VILTROX 20mm F2.8 Z-Mount Lens deliver impressive results. The Canon lens features an aspheric lens element and Super Spectra Coating, which work together to minimize ghosting and flare, providing sharp images with excellent color accuracy. Meanwhile, the VILTROX lens's optical structure includes 10 elements in 8 groups, incorporating 2 ED lenses and 2 aspherical lenses to ensure that each shot is crisp and clear. Both lenses promise high-quality results, but the choice may depend on the specific requirements of the photographer.
Price Comparison
Price is a significant factor when choosing between the Canon RF 50mm F1.8 STM Lens and the VILTROX 20mm F2.8 Z-Mount Lens. The Canon lens retails at $219.00, while the VILTROX lens is priced at $176.00. This makes the VILTROX lens approximately $43 cheaper, which may appeal to budget-conscious photographers looking for quality without breaking the bank. The price difference could be a deciding factor for users who are just starting out or those who are expanding their lens collection.
Which should you buy?
Choosing between the Canon RF 50mm F1.8 STM Lens and the VILTROX 20mm F2.8 Z-Mount Lens ultimately comes down to your specific photography needs and budget. If you require a lens for portraits and low-light conditions with beautiful bokeh, the Canon RF 50mm F1.8 STM Lens would be the better choice. Conversely, if you are looking for a more budget-friendly option that excels in capturing wide-angle shots with fast autofocus, the VILTROX 20mm F2.8 Z-Mount Lens offers excellent value. Both lenses deliver impressive quality, but your shooting style and preferences will guide your final decision.

