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

Updated July 2026 — VILTROX AF wins on portability and build quality, YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus wins on weight and thickness.

The VILTROX AF 28mm F4.5 offers advanced features and exceptional image quality, while the YONGNUO YN50mm F1.8 provides great value and versatility. Choose based on your camera system and shooting needs.

Why VILTROX AF is better

Image Quality

VILTROX has superior sharpness and color vibrancy.

Autofocus Speed

VILTROX features advanced autofocus with face recognition.

Design

VILTROX is ultra-light and slim, ideal for portability.

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

Price

YONGNUO is more budget-friendly.

Versatility

YONGNUO is compatible with a wider range of Canon cameras.

Bokeh

YONGNUO's large aperture allows for better background blur.

Overall score

VILTROX AF
88
YONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
80

Specifications

SpecVILTROX AFYONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus
AutofocusYesYes
CompatibilityFuji X-MountCanon EF
Lens Elements6 elements5 groups
CoatingHD NanoMulti-coated
Focus Distance0.3m0.45m

Dimension comparison

VILTROX AFYONGNUO YN50mm F1.8 Lens Large Aperture Auto Focus

Overview of the VILTROX AF 28mm F4.5 and YONGNUO YN50mm F1.8

The VILTROX AF 28mm F4.5 is priced at $99.00, while the YONGNUO YN50mm F1.8 comes in at $82.00, making it about 17% cheaper than the VILTROX. Both lenses cater to different camera mounts, with the VILTROX designed for Fuji X-Mount cameras and the YONGNUO compatible with Canon EF mount cameras. Understanding their features and performance will help you determine which lens best suits your photography needs.

Design and Build Quality

The VILTROX AF 28mm F4.5 is remarkably lightweight, weighing just 60g and measuring a slim 15.3mm in thickness. This makes it an excellent option for photographers who prioritize portability. Its innovative slide cap design also adds a unique touch, transforming into a lens cap that protects against dust while being functional. In contrast, the YONGNUO YN50mm F1.8, while slightly bulkier, is still manageable for most users. It features a robust build that supports both auto and manual focus modes, making it versatile for various shooting styles. The construction of both lenses reflects a commitment to durability and usability, though VILTROX stands out for its ultra-slim profile.

Image Quality

When it comes to image quality, the VILTROX AF 28mm F4.5 promises exceptional sharpness and vibrant colors thanks to its six-element design, which includes two ED and two aspherical lenses. This lens is particularly noted for its ability to create beautiful starburst effects, enhancing landscape and architectural photography. Meanwhile, the YONGNUO YN50mm F1.8 features a large aperture of F1.8, which allows for stunning bokeh and excellent low-light performance. Its multi-coated lenses improve light transmittance, ensuring that images remain clear and dynamic even in challenging lighting conditions. Both lenses offer unique benefits, with VILTROX excelling in wide-angle shots and YONGNUO being ideal for portraits and low-light scenarios.

Autofocus Performance

The VILTROX AF 28mm F4.5 is equipped with a built-in VCM motor that ensures precise and quick autofocus, which is particularly beneficial for capturing fast-moving subjects. This lens also supports face and eye recognition, making it an excellent choice for portrait photography or dynamic scenes. On the other hand, the YONGNUO YN50mm F1.8 also offers reliable autofocus capabilities and includes a focus distance indicator that aids in measuring shooting distance and depth of field. While both lenses provide effective autofocus, VILTROX edges out in speed and advanced features, which can be a significant advantage for action shots.

Versatility and Compatibility

The VILTROX AF 28mm F4.5 is designed specifically for Fuji X-Mount cameras, making it an ideal companion for Fujifilm users looking for a lightweight, wide-angle option. Its versatility is enhanced by features like HD Nano Coating, which reduces reflections and enhances clarity. Additionally, it supports USB-C and Bluetooth upgrades, ensuring it stays updated with the latest technology. In comparison, the YONGNUO YN50mm F1.8 is compatible with a broader range of Canon EF mount cameras, which could appeal to those who may upgrade or change their gear in the future. This lens is suitable for both full-frame and APS-C cameras, making it a versatile choice for various shooting styles.

Pricing and Value

The VILTROX AF 28mm F4.5 is priced at $99.00, while the YONGNUO YN50mm F1.8 is available for $82.00, making the YONGNUO a more budget-friendly option. The price difference of about $17 may be significant for photographers who are cost-conscious but still desire quality. Despite its lower price, the YONGNUO lens does not compromise on features, offering a large aperture and auto-focus capabilities that make it an attractive choice for both amateur and professional photographers. However, the added features of the VILTROX lens, such as its innovative design and advanced autofocus, may justify the higher price for those who prioritize these attributes.

User Experience and Feedback

While specific sales ranks and user reviews are not available, both products have carved out a niche among photographers. The VILTROX AF 28mm F4.5 is praised for its exceptional image quality and portability, making it popular among travel and street photographers. Users appreciate its lightweight design and effective autofocus, which simplifies the shooting process. Conversely, the YONGNUO YN50mm F1.8 has garnered attention for its affordability and solid performance, especially in portrait photography. Photographers often highlight the lens's ability to create attractive backgrounds while maintaining sharpness in subjects. Both lenses cater to different user preferences, creating a strong following in their respective markets.

Which should you buy?

Choosing between the VILTROX AF 28mm F4.5 and the YONGNUO YN50mm F1.8 ultimately depends on your specific needs and camera system. If you're a Fuji X-Mount user seeking a compact, wide-angle lens with advanced features for dynamic shooting, the VILTROX is an excellent choice despite its higher price. Alternatively, if you’re looking for a versatile and budget-friendly lens for Canon EF mount cameras, the YONGNUO offers great value with its large aperture and solid performance. Both lenses excel in their categories, so your decision should align with your photography style and equipment.