Viltrox vs YNLENS YONGNUO YN50mm
Updated July 2026 — Viltrox wins on price, YNLENS YONGNUO YN50mm wins on weight and length.
The Viltrox 25mm F1.7 E offers superior low-light performance and advanced autofocus features, while the Yongnuo YN50mm f/1.8 is a more budget-friendly option for Nikon users.
Why Viltrox is better
Aperture
Wider f/1.7 aperture for better low-light performance
Weight
Lighter at 170g compared to Yongnuo's 203g
Autofocus
Quieter STM motor for video recording
Why YNLENS YONGNUO YN50mm is better
Price
More budget-friendly at $102.00
Compatibility
Compatible with a wider range of Nikon cameras
Portraits
Better suited for portrait photography with 50mm focal length
Overall score
Specifications
| Spec | Viltrox | YNLENS YONGNUO YN50mm |
|---|---|---|
| Autofocus | STM motor | Face/Eye recognition |
| Camera Mount | Sony E | Nikon F |
| Elements | 6 elements | 6 elements |
| Build | Plastic | Metal |
| Image Quality | Sharp | Very Sharp |
Dimension comparison
Overview
The Viltrox 25mm F1.7 E and the Yongnuo YN50mm 50mm f/1.8 are both excellent prime lenses catering to different camera systems and photography styles. The Viltrox is designed for Sony E-mount cameras, while the Yongnuo is tailored for Nikon F-mount cameras, making them distinct in their compatibility. With the Viltrox priced at $176.00 and the Yongnuo at $102.00, there's a notable price difference of about 40% favoring the Yongnuo, which may appeal to budget-conscious photographers.
Optical Performance
When it comes to optical performance, both lenses offer impressive features. The Viltrox 25mm F1.7 E boasts a bright maximum aperture of f/1.7, allowing for excellent low-light performance and creative depth of field control. This lens is particularly well-suited for capturing sharp images in challenging lighting conditions. On the other hand, the Yongnuo YN50mm f/1.8 lens, with its f/1.8 aperture, is designed for creating professional portraits with beautiful background blur, thanks to its 7-blade circular aperture. While both lenses excel in low-light scenarios, the Viltrox has a slight edge with its wider aperture.
Design and Build Quality
The design and build quality of these lenses reflect their intended uses. The Viltrox 25mm F1.7 E is lightweight at only 170g, making it a convenient choice for travel and everyday photography. Its compact design does not compromise functionality, as it supports face and eye recognition autofocus, enhancing usability during photo and video shoots. In contrast, the Yongnuo YN50mm weighs slightly more at about 203g, but it still maintains a portable feel. Its construction includes a high-precision metal bayonet and gold-plated contacts, which add to its durability and reliability. Both lenses are designed for ease of use, but the Viltrox is marginally lighter.
Autofocus Capability
Autofocus performance is key for many photographers, and both lenses offer impressive features in this area. The Viltrox 25mm F1.7 E utilizes an STM stepper motor to provide a quiet and efficient autofocus experience. This is particularly beneficial for video recording, where noise can be distracting. Additionally, it supports various camera shooting modes and EXIF information transmission. In contrast, the Yongnuo YN50mm also features face and eye recognition capabilities, allowing for automatic focus adjustments. While both lenses support advanced autofocus technology, the Viltrox’s STM motor may provide a quieter experience, making it more suitable for videographers.
Versatility and Use Cases
Both lenses are versatile and cater to different photography styles. The Viltrox 25mm F1.7 E excels in street photography and everyday shooting due to its wide-angle perspective, making it great for capturing dynamic scenes. Its compatibility with multiple Sony E-mount cameras enhances its versatility. Conversely, the Yongnuo YN50mm is particularly well-suited for portrait photography, allowing for closer framing with its 50mm focal length and a minimum focus distance of 0.45m. This lens is ideal for food blogging and product detail shots, appealing to photographers looking for a standard prime lens that delivers quality results.
Price Comparison
In terms of pricing, the difference between these two lenses is significant. The Viltrox 25mm F1.7 E is priced at $176.00, while the Yongnuo YN50mm comes in at a more budget-friendly $102.00. This means that the Yongnuo is about 17% cheaper than the Viltrox, making it an attractive option for those who may be starting out or looking to expand their lens collection without breaking the bank. The lower price point of the Yongnuo does not necessarily mean inferior quality, as it offers excellent optical performance and usability features.
Compatibility and Camera Systems
Camera system compatibility plays a crucial role in determining which lens is right for you. The Viltrox 25mm F1.7 E is specifically designed for Sony E-mount mirrorless cameras, including popular models like the ZV-E10 II and A6600. This makes it a fantastic choice for Sony users looking for a high-quality prime lens. On the other hand, the Yongnuo YN50mm is compatible with a wide range of Nikon F-mount cameras, such as the D3000 and D5000 series. Photographers need to consider their camera system when making a decision, as using a lens that is not compatible will render it unusable.
Which should you buy?
In conclusion, the choice between the Viltrox 25mm F1.7 E and the Yongnuo YN50mm f/1.8 largely depends on your camera system and specific photography needs. If you are using a Sony E-mount camera and desire a lightweight, low-light capable lens with advanced autofocus features, the Viltrox is the clear choice. However, if you are a Nikon user looking for a versatile and more budget-friendly option for portrait photography, the Yongnuo provides excellent value. Ultimately, both lenses have their strengths, and your decision should align with your photographic style and equipment.

