Sigma 10- vs Viltrox
Updated July 2026 — Sigma 10- wins on zoom and size, Viltrox wins on weight and portability.
The Sigma 10-18mm F2.8 DC DN excels in versatility and image quality, while the Viltrox 25mm F1.7 E offers excellent low-light performance at a budget-friendly price.
Why Sigma 10- is better
Versatility
Sigma offers a zoom range for various photography styles.
Image Quality
Sigma captures sharp images in challenging lighting.
Build Quality
Sigma is designed for professional use with robust construction.
Why Viltrox is better
Price
Viltrox is significantly more affordable.
Weight
Viltrox is lighter, making it easier to carry.
Low-light Performance
Viltrox's f/1.7 aperture excels in low-light conditions.
Overall score
Specifications
| Spec | Sigma 10- | Viltrox |
|---|---|---|
| Price | $679.00 | $176.00 |
| Max Aperture | f/2.8 | f/1.7 |
| Weight | 330g | 170g |
| Focal Length | 10-18mm | 25mm |
| Autofocus | Standard | STM |
Dimension comparison
Overview of the Sigma 10-18mm F2.8 DC DN
The Sigma 10-18mm F2.8 DC DN is an ultra-wide-angle zoom lens designed for Sony E Mount cameras. Priced at $679.00, it is ideal for landscape photography, travel, and video creation. Its large aperture of F2.8 allows for expressive imaging, making it a versatile choice for content creators on the go. Weighing in as the world's smallest and lightest ultra-wide-angle zoom lens for APS-C cameras, it provides excellent portability and performance.
Overview of the Viltrox 25mm F1.7 E
The Viltrox 25mm F1.7 E is a prime lens that offers exceptional value at a price of $176.00. Its bright F1.7 maximum aperture is perfect for low-light conditions and provides greater control over depth of field, making it a great option for portrait photography. Weighing only 170 grams, it is also highly portable, catering to photographers who need a lightweight lens without sacrificing quality.
Image Quality Comparison
When it comes to image quality, the Sigma 10-18mm F2.8 DC DN excels in creating wide-angle shots with expressive details, making it perfect for landscapes and dynamic environments. The large F2.8 aperture contributes to its ability to capture sharp images even in challenging lighting conditions. On the other hand, the Viltrox 25mm F1.7 E, with its bright aperture, allows for stunning depth of field effects and excellent performance in low-light situations. While both lenses offer high-quality imaging, the Sigma lens shines in versatility with its zoom capabilities, while the Viltrox lens is more specialized for low-light and portrait applications.
Autofocus Performance
The Viltrox 25mm F1.7 E features an STM stepper motor that ensures quiet and efficient autofocus, making it ideal for both stills and video shooting. This feature allows it to support face and eye recognition, enhancing its usability for portrait and event photography. In contrast, the Sigma 10-18mm F2.8 DC DN does not specifically mention autofocus technology in its features, which may imply a less specialized approach to this aspect compared to the Viltrox lens. Therefore, if fast and quiet autofocus is a priority, the Viltrox lens may appeal more to content creators.
Portability and Design
The Viltrox 25mm F1.7 E stands out for its lightweight design at just 170 grams, making it an excellent choice for travel and everyday use. Its compact size allows photographers to carry it effortlessly without weighing down their gear. In comparison, while the Sigma 10-18mm F2.8 DC DN is hailed as the smallest ultra-wide-angle zoom lens for APS-C cameras, its overall size and weight are greater than that of the Viltrox lens. For those who prioritize portability in a lens, the Viltrox offers a significant advantage.
Price Point Analysis
The Sigma 10-18mm F2.8 DC DN is priced at $679.00, while the Viltrox 25mm F1.7 E is much more budget-friendly at $176.00. This represents a price difference of about 74%, making the Viltrox an attractive option for photographers looking for an affordable lens without compromising on quality. If budget is a key consideration, the Viltrox lens provides excellent value, catering to those who may be starting out or looking to expand their lens collection without a hefty investment.
Ideal Use Cases
The Sigma 10-18mm F2.8 DC DN is particularly suited for photographers interested in landscapes, travel, and online content creation, thanks to its ultra-wide-angle capabilities and expressive imagery. Conversely, the Viltrox 25mm F1.7 E is ideal for portrait photography and low-light situations, making it perfect for events or capturing intimate moments. Each lens caters to different photography styles, so the choice ultimately depends on the specific needs of the photographer.
Which should you buy?
Deciding between the Sigma 10-18mm F2.8 DC DN and the Viltrox 25mm F1.7 E ultimately hinges on your photography style and budget. If you need an ultra-wide-angle lens for landscapes and travel, and are willing to invest more for versatility and performance, the Sigma lens is the better option. However, if you seek a lightweight, affordable lens that excels in low-light conditions and offers a bright maximum aperture, the Viltrox lens is the way to go.