VILTROX vs YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
Updated July 2026 — VILTROX wins on field of view and weight, YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus wins on focal length and length.
The VILTROX 9mm F2.8 E excels in versatility and optical performance, while the YONGNUO YN50mm F1.8 offers affordability and low-light capabilities. Choose based on your specific needs.
Why VILTROX is better
Wide Angle
VILTROX offers a 13.5mm focal length for landscapes.
Optical Quality
VILTROX has a superior optical design with 13 elements.
Autofocus Speed
VILTROX features an STM motor for faster autofocus.
Why YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus is better
Price
YONGNUO is $82, significantly cheaper.
Low Light
YONGNUO's F1.8 aperture performs better in low light.
Compatibility
YONGNUO is compatible with Canon EF mount cameras.
Overall score
Specifications
| Spec | VILTROX | YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus |
|---|---|---|
| Brand | VILTROX | YONGNUO |
| Price | $199.00 | $82.00 |
| Autofocus | Yes | Yes |
| Lens Type | Wide Angle | Standard |
| Coating | Multi-coated | Multi-coated |
Dimension comparison
Price Comparison
The VILTROX 9mm F2.8 E is priced at $199.00, while the YONGNUO YN50mm F1.8 Lens is significantly more affordable at $82.00, making it about 59% cheaper than the VILTROX lens. This price difference may be a key factor for photographers on a budget or those just starting in photography. The lower price point of the YONGNUO does not compromise its capabilities, as it still offers a quality lens for a variety of shooting situations. However, those looking for specialized features may find the higher price of the VILTROX justified.
Focal Length and Versatility
The VILTROX 9mm F2.8 E offers a focal length of 13.5mm, providing an ultra-wide 113.8° field of view, ideal for capturing expansive landscapes and dynamic Vlog moments. In contrast, the YONGNUO YN50mm F1.8 features a more traditional 50mm focal length, suitable for portraits and general photography. This difference in focal length means that the VILTROX lens excels in wide-angle shots, whereas the YONGNUO may be better for everyday photography. The versatility of the VILTROX makes it a great choice for vlogging or wide-angle landscapes, while the YONGNUO is a solid option for close-up portraits.
Aperture and Low Light Performance
The VILTROX lens features a maximum aperture of F2.8, while the YONGNUO boasts a larger F1.8 aperture. This allows the YONGNUO to perform better in low-light conditions, producing images with less noise and better depth of field effects. The larger aperture of the YONGNUO lens also offers a more pronounced bokeh, enhancing the aesthetic quality of portraits. For photographers who often work in dim lighting or desire a soft background blur, the YONGNUO's aperture advantage is significant.
Autofocus Capabilities
Both lenses support autofocus, but the VILTROX 9mm F2.8 E is equipped with an STM motor for fast and accurate focusing. This feature is particularly beneficial for capturing fast-moving subjects or spontaneous moments, making it a great option for street photography and vlogging. On the other hand, the YONGNUO YN50mm F1.8 also supports autofocus and manual focus modes, providing flexibility for various shooting styles. While both lenses offer reliable autofocus, the VILTROX may have an edge in speed and precision, especially in dynamic settings.
Build Quality and Design
The VILTROX 9mm F2.8 E is designed to be lightweight and portable, weighing just 175g, which is a significant advantage for travel photographers. It also includes thoughtful design features like a lotus-shaped lens hood to reduce stray light and a USB-C port for firmware updates. Conversely, the YONGNUO YN50mm F1.8 is built with a focus distance indicator and multi-coated lenses that enhance light transmission. While both lenses have their own unique design benefits, the VILTROX's additional features and lighter weight may appeal to those needing a compact lens for on-the-go photography.
Optical Performance
The VILTROX lens utilizes a sophisticated optical design with 13 elements in 11 groups, including 3 High Refractive elements and 3 Extra-low Dispersion elements. This configuration aims to deliver sharp images from center to edge, making it suitable for high-quality landscape or architectural photography. In contrast, the YONGNUO YN50mm F1.8 employs a 5 groups 6 slices lens structure, which still provides good image quality but may not achieve the same level of sharpness as the VILTROX. For photographers prioritizing optical performance, the VILTROX lens may offer an enhanced shooting experience.
Compatibility and Usage
The VILTROX 9mm F2.8 E is specifically designed for Sony E-mount cameras, making it an excellent choice for users of this system, including popular models like the a6400 and a6600. On the other hand, the YONGNUO YN50mm F1.8 is compatible with Canon EF mount EOS cameras, which broadens its usability for Canon users. The specialized compatibility of each lens means that users should consider their camera system when choosing between them. This aspect of usability can greatly influence the decision, depending on the photographer's existing gear.
Which should you buy?
When deciding between the VILTROX 9mm F2.8 E and the YONGNUO YN50mm F1.8, the choice ultimately depends on your specific photography needs and budget. If you are looking for a versatile, wide-angle lens with advanced optical performance and superior autofocus for dynamic shooting, the VILTROX may be worth the investment at $199. However, if you’re seeking an affordable lens that excels in low-light conditions and offers great portrait capabilities, the YONGNUO at $82 is a fantastic option. Both lenses have their strengths, but understanding your shooting style will guide you to the right choice.

