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VILTROX vs YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus

Updated July 2026 — VILTROX wins on weight and size, YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus wins on price.

The VILTROX 14mm f4.0 FE excels in wide-angle photography with superior optical performance, while the YONGNUO YN50mm F1.8 offers great value for portrait photography.

Why VILTROX is better

Optical Quality

VILTROX has advanced optical design with 12 elements.

Minimum Focus

VILTROX has a closer minimum focusing distance of 0.13m.

Autofocus Speed

VILTROX features fast STM autofocus for video.

Why YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus is better

Price

YONGNUO is significantly cheaper at $82.

Aperture

YONGNUO offers a larger F1.8 aperture for portraits.

Compatibility

YONGNUO is compatible with Canon EF mount cameras.

Overall score

VILTROX
85
YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
75

Specifications

SpecVILTROXYONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
Focal Length14mm50mm
Aperturef/4.0f/1.8
Min Focus0.13m0.45m
Elements12 elements5 groups
AutofocusSTMAuto/Manual

Dimension comparison

VILTROXYONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus

Overview of VILTROX 14mm f4.0 FE and YONGNUO YN50mm F1.8

The VILTROX 14mm f4.0 FE is a wide-angle lens tailored for Sony e-Mount cameras, while the YONGNUO YN50mm F1.8 is a versatile standard lens for Canon EF mount cameras. The VILTROX lens is priced at $199.00, significantly higher than the YONGNUO, which retails for $82.00, making it about 59% more expensive. Each lens serves different photographic needs, with the VILTROX focusing on expansive landscapes and architecture, and the YONGNUO catering to portrait and everyday photography.

Design and Build Quality

The design of the VILTROX 14mm f4.0 FE emphasizes portability and functionality. Weighing only 170g, it is lightweight, making it suitable for travel and outdoor photography. In contrast, the YONGNUO YN50mm F1.8 is also designed with usability in mind but does not emphasize weight, focusing instead on its robust construction suitable for various shooting conditions. Both lenses feature thoughtful design elements; the VILTROX comes with a lotus-shaped lens hood to prevent flare, while the YONGNUO includes gold plating on metal contacts for improved conductivity.

Optical Performance

The VILTROX 14mm f4.0 FE boasts an impressive optical design with 12 elements in 9 groups, including specialized elements to minimize chromatic aberrations and distortion. This lens is capable of providing stunning image quality, perfect for wide-angle applications. The YONGNUO YN50mm F1.8, while simpler with its 5 groups and 6 slices lens structure, delivers a large aperture of F1.8, allowing for beautiful background blur, ideal for portraits. Each lens has its strengths; the VILTROX excels in wider shots, while the YONGNUO is effective for subjects that require depth of field manipulation.

Autofocus Capability

Fast and accurate autofocus is a highlight of the VILTROX 14mm f4.0 FE, which employs an STM motor to facilitate smooth focus transitions, especially beneficial for video shooting. The YONGNUO YN50mm F1.8 supports both auto and manual focus modes, giving photographers flexibility in their shooting style. Each lens has unique autofocus features; the VILTROX's STM motor enhances video performance, while the YONGNUO's dual-focus capability allows for manual adjustments when finer control is needed.

Minimum Focusing Distance

The VILTROX 14mm f4.0 FE has a minimum focusing distance of just 0.13m (13cm), allowing photographers to capture close-up shots with incredible detail. This feature is particularly advantageous for those who enjoy macro-style shooting or need to get up close to their subjects. Meanwhile, the YONGNUO YN50mm F1.8 has a minimum focusing distance of 0.45m, which is sufficient for standard portrait photography but does not offer the same level of detail for close-ups as the VILTROX. This leads to the VILTROX lens being more versatile for a wider range of photography scenarios.

Price and Value

The VILTROX 14mm f4.0 FE is priced at $199.00, reflecting its advanced optical design and features tailored for high-quality wide-angle photography. In comparison, the YONGNUO YN50mm F1.8 is priced at $82.00, making it a budget-friendly option for photographers seeking a quality lens without breaking the bank. The price difference of about $117 indicates that the VILTROX is aimed at more serious photographers who prioritize premium features, while the YONGNUO caters to those looking for value and performance at a lower price point.

Compatibility

In terms of compatibility, the VILTROX 14mm f4.0 FE is specifically designed for Sony e-Mount cameras, such as the a6400 and a7 series, making it an excellent choice for Sony users. Conversely, the YONGNUO YN50mm F1.8 is compatible with Canon EF mount cameras, appealing to Canon users looking for a reliable prime lens. The choice between these lenses largely depends on the camera system one owns, as neither lens can be used interchangeably without appropriate adapters.

Which should you buy?

Choosing between the VILTROX 14mm f4.0 FE and the YONGNUO YN50mm F1.8 ultimately depends on your photographic needs and budget. If you are a Sony user seeking a high-quality wide-angle lens for landscapes or architecture and can invest more, the VILTROX is a compelling option. However, if you are looking for an affordable, versatile lens for Canon that excels in portrait photography, the YONGNUO is a fantastic choice. Each lens has its strengths, making it essential to consider your specific requirements before making a decision.