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Viltrox vs VILTROX AF

Updated July 2026 — full head-to-head comparison.

Overview of the Viltrox 25mm F1.7 E and VILTROX AF 28mm F4.5 XF

The Viltrox 25mm F1.7 E is designed for Sony E mount cameras, while the VILTROX AF 28mm F4.5 XF is tailored for Fuji X mount systems. Both lenses cater to different user preferences and camera ecosystems, making them distinctive options for photographers. The Viltrox 25mm F1.7 E is priced at $176.00, whereas the VILTROX AF 28mm F4.5 XF is about 44% cheaper at $99.00.

Image Quality and Aperture Performance

When it comes to image quality, the Viltrox 25mm F1.7 E shines with its bright f/1.7 maximum aperture, which excels in low-light conditions. This aperture allows for greater control over depth of field, making it a solid choice for portraiture and artistic photography. In contrast, the VILTROX AF 28mm F4.5 XF features an f/4.5 aperture, which is less capable in low-light situations but still offers sharp, vibrant images thanks to its advanced optical design. The 28mm lens includes 6 elements in 6 groups, enhancing its image quality and producing beautiful starburst effects.

Design and Portability

The Viltrox 25mm F1.7 E weighs 170g, making it relatively lightweight and travel-friendly. However, the VILTROX AF 28mm F4.5 XF takes portability to another level, weighing only 60g and measuring just 15.3mm in thickness. This makes it the lightest and thinnest lens among Viltrox offerings, ideal for on-the-go shooting and vlogging. The compact design of the 28mm lens is particularly appealing for photographers who prioritize ease of transport and convenience.

Autofocus Technology

Both lenses incorporate advanced autofocus systems. The Viltrox 25mm F1.7 E features a stepper motor that provides a quiet autofocus experience, which is beneficial for both photo and video shooting. Meanwhile, the VILTROX AF 28mm F4.5 XF employs a built-in VCM motor for precise autofocus, ensuring quick and effortless shooting. Both lenses support face and eye recognition, which enhances their usability for portrait photography.

Versatility in Shooting Scenarios

The versatility of the Viltrox 25mm F1.7 E is evident as it supports multiple camera shooting modes and EXIF information transmission. This feature allows photographers to utilize various settings efficiently. On the other hand, the VILTROX AF 28mm F4.5 XF is designed with practical features for everyday use, including HD Nano Coating that reduces reflections and enhances image clarity. It also includes a unique slide cap design that adds a fun twist to the shooting experience.

Build Quality and Durability

Both lenses are built with durability in mind, although they cater to different priorities. The Viltrox 25mm F1.7 E has a robust construction suited for active photographers. In contrast, the VILTROX AF 28mm F4.5 XF features an aluminum alloy mount that ensures longevity while remaining lightweight. The front lens coating of the 28mm lens adds additional protection against water, dust, and smudges, making it practical for outdoor shooting conditions.

Price and Value Proposition

The Viltrox 25mm F1.7 E retails for $176.00, while the VILTROX AF 28mm F4.5 XF is priced at $99.00. This means the 28mm lens is about 44% cheaper, making it a more budget-friendly option for photographers who may not require the low-light capabilities of the faster f/1.7 aperture. The price difference could be a decisive factor for many users, particularly those who are just starting out or are looking for a secondary lens.

Which should you buy?

Choosing between the Viltrox 25mm F1.7 E and the VILTROX AF 28mm F4.5 XF ultimately depends on your specific needs and camera system. If you are shooting with a Sony E mount camera and prioritize low-light performance and depth of field control, the Viltrox 25mm F1.7 E is the better option despite its higher price. Conversely, if you own a Fuji X mount camera and require a lightweight, portable lens for everyday shooting, the VILTROX AF 28mm F4.5 XF presents an excellent value at a significantly lower price point.