VILTROX AF vs YONGNUO YN50mm F1.8N Standard Prime Lens, Large
Updated July 2026 — VILTROX AF wins on focal length and build quality, YONGNUO YN50mm F1.8N Standard Prime Lens, Large wins on price and aperture.
The VILTROX AF 9mm F2.8 offers advanced features for creative photography, while the YONGNUO YN50mm F1.8N is a budget-friendly option for general use.
Why VILTROX AF is better
Wide Angle
VILTROX provides a 113.8° field of view.
Autofocus
VILTROX features fast and silent autofocus.
Creative Use
VILTROX excels in wide-angle and close-up shots.
Why YONGNUO YN50mm F1.8N Standard Prime Lens, Large is better
Price
YONGNUO is $102.00, significantly cheaper.
Aperture
YONGNUO has a larger F1.8 aperture.
Versatility
YONGNUO is suitable for various photography styles.
Overall score
Specifications
| Spec | VILTROX AF | YONGNUO YN50mm F1.8N Standard Prime Lens, Large |
|---|---|---|
| Focal Length | 9mm | 50mm |
| Aperture | F2.8 | F1.8 |
| Autofocus | Yes | Yes |
| Compatibility | Sony E-Mount | Nikon DSLR |
| Field of View | 113.8° | 46.8° |
Dimension comparison
Price Comparison
When considering budget, the YONGNUO YN50mm F1.8N Standard Prime Lens is more affordable, priced at $102.00, compared to the VILTROX AF 9mm F2.8 APS-C Lens for Sony E-Mount, which costs $199.00. This places the YONGNUO lens about 48% cheaper than its counterpart. The stark difference in price can be crucial for photographers on a tight budget or those just starting out. While the VILTROX offers more advanced features, the cost could deter some users who prioritize value over capability.
Lens Type and Purpose
The VILTROX AF 9mm F2.8 is an ultra-wide-angle lens, making it perfect for landscapes and vlogging, while the YONGNUO YN50mm F1.8N serves as a standard prime lens, ideal for portraits and general photography. The 9mm focal length of the VILTROX provides an expansive 113.8° field of view, allowing for dramatic perspectives and creative compositions. On the other hand, the 50mm focal length of the YONGNUO is equivalent to a classic portrait lens on full-frame cameras, providing natural-looking images with excellent background blur thanks to its large F1.8 aperture.
Aperture and Low-Light Performance
In terms of aperture, the VILTROX lens has a bright F2.8, which is suitable for low-light conditions, although it falls short compared to the YONGNUO’s F1.8. The larger aperture of the YONGNUO allows for better light capture, making it more advantageous for shooting in dim environments or achieving a shallower depth of field. This difference can significantly affect the images' quality, particularly for those who enjoy shooting in low-light scenarios or want to create soft, blurred backgrounds.
Autofocus Capabilities
Autofocus performance is a critical factor for many photographers, and here the VILTROX shines with its fast and silent autofocus system, driven by a high-precision STM stepping motor. This feature is particularly beneficial for video shooting and dynamic scenes where noise can be a distraction. While the YONGNUO lens supports both auto and manual focus modes, it lacks specific details on autofocus performance, which could be a disadvantage for users requiring quick and quiet focusing.
Build Quality and Design
The VILTROX lens is designed to be compact and lightweight, making it an excellent choice for those who prioritize portability, especially for travel or on-the-go shooting. It features a metal lens mount and a USB-C port for firmware updates, indicating a focus on durability and longevity. The YONGNUO lens, while also well-constructed, emphasizes its gold-plated metal contacts that enhance signal conductivity and resist corrosion. However, it does not mention any specific design benefits related to weight or size, which may affect its usability for some photographers.
Compatibility with Cameras
Compatibility is crucial when choosing a lens, and both products cater to different camera systems. The VILTROX AF 9mm F2.8 is specifically designed for Sony E-Mount cameras, including popular models like the ZV-E10 and a6000 series. Conversely, the YONGNUO YN50mm F1.8N is tailored for Nikon DSLR cameras, making it a suitable addition to Nikon users’ kits. Those already vested in either ecosystem must consider their current camera setup when deciding between these two lenses.
Use Cases and Versatility
The VILTROX lens excels in creative applications, providing unique opportunities for wide-angle shots and close-ups that can enhance storytelling through photography. Its ultra-wide angle is particularly useful for architecture and landscape photography, allowing photographers to capture more in a single frame. In contrast, the YONGNUO lens serves a broader range of general photography needs, from portraits to street photography, thanks to its versatile 50mm focal length. Each lens caters to distinct photographic styles, and users should evaluate their specific needs and preferences when making a choice.
Which should you buy?
Deciding between the VILTROX AF 9mm F2.8 and the YONGNUO YN50mm F1.8N ultimately hinges on your specific photography requirements and budget. If you seek an ultra-wide-angle lens for expansive landscapes and creative vlogging, the VILTROX, despite its higher price of $199.00, offers advanced features like a fast autofocus system and a unique field of view. However, if you are looking for a more affordable option suitable for general photography and portraiture, the YONGNUO at $102.00 delivers solid performance with its large aperture and versatility. Consider your camera system and the types of photography you intend to pursue when making your final decision.

