Sigma 10- vs VILTROX AF
Updated July 2026 — Sigma 10- wins on focal length and weight, VILTROX AF wins on price and versatility.
The Sigma lens excels in wide-angle performance and imaging quality, while the VILTROX offers versatility at a lower price.
Why Sigma 10- is better
Wide Angle
Sigma offers ultra-wide-angle capabilities.
Build Quality
Sigma is the smallest and lightest in its category.
Optical Performance
Sigma provides excellent low-light performance.
Why VILTROX AF is better
Price
VILTROX is significantly cheaper.
Weight
VILTROX is lightweight at 220g.
Versatility
VILTROX is suitable for various photography styles.
Overall score
Specifications
| Spec | Sigma 10- | VILTROX AF |
|---|---|---|
| Aperture | F2.8 | F2.0 |
| Focal Length | 10-18mm | 50mm |
| Weight | 300g | 220g |
| Autofocus | Not specified | STM motor |
| Price | $679.00 | $199.00 |
Dimension comparison
Overview
The Sigma 10-18mm F2.8 DC DN and VILTROX AF 50mm F2.0 Air Z Lens are both compelling options for photographers, each offering unique strengths. Priced at $679.00, the Sigma lens is a large-aperture ultra-wide-angle zoom designed for landscapes and content creation. In contrast, the VILTROX lens, available for $199.00, is a standard prime lens that excels in versatility, suitable for various photography styles, including portraits and street photography.
Design and Build Quality
The Sigma 10-18mm F2.8 DC DN boasts a compact design, making it the world's smallest and lightest ultra-wide-angle zoom lens for APS-C cameras. This lens is ideal for on-the-go photographers who need a lightweight option for travel and video. On the other hand, the VILTROX AF 50mm F2.0 Air Z Lens weighs only 220 grams and features a compact design, but it caters to different needs with its standard focal length. Both lenses prioritize portability, but the Sigma offers a wider focal range for diverse shooting scenarios.
Optical Performance
When it comes to optical performance, the Sigma 10-18mm F2.8 DC DN is designed for expressive imaging and is particularly effective in landscapes and video. The large aperture allows for excellent low-light performance and beautiful depth of field. Conversely, the VILTROX AF 50mm F2.0 lens features a sophisticated optical structure, including three ED lenses and one aspherical element, ensuring vivid, distortion-free images. Its F2.0 aperture also provides a dreamy bokeh effect, highlighting subjects beautifully. Each lens excels in its own right, making the choice dependent on your specific photographic needs.
Autofocus Capabilities
The Sigma 10-18mm F2.8 DC DN is tailored more towards video and content creation, with its design facilitating smooth focus transitions. However, it lacks specific details on autofocus technology, which may be a consideration for some users. In contrast, the VILTROX AF 50mm F2.0 Air Z Lens features an STM motor for precise autofocus, including eye and face detection capabilities. This makes the VILTROX lens particularly effective for capturing fast-moving subjects or for use in dynamic shooting environments. The built-in autofocus of the VILTROX is a significant advantage for videographers and portrait photographers alike.
Versatility in Usage
The Sigma 10-18mm F2.8 DC DN is ideal for a wide variety of applications, from landscapes and travel to online content creation. Its ultra-wide-angle perspective allows for creative framing and composition. Meanwhile, the VILTROX AF 50mm F2.0 Air Z Lens is a standard prime lens that excels in various photography styles, including portraits, street photography, and landscapes. While the Sigma lens is specifically designed for wide-angle shots, the VILTROX offers a more versatile focal length that can adapt to different shooting situations effectively.
Price Comparison
At $679.00, the Sigma 10-18mm F2.8 DC DN is significantly more expensive than the VILTROX AF 50mm F2.0 Air Z Lens, which is priced at $199.00. This price difference of about 70% means that budget-conscious photographers might lean towards the VILTROX lens without sacrificing quality. The lower price of the VILTROX does not compromise its performance, making it an attractive option for those looking for a reliable lens without breaking the bank.
Target Audience
The Sigma 10-18mm F2.8 DC DN is aimed primarily at landscape photographers, videographers, and content creators who require an ultra-wide-angle perspective and high-quality imaging capabilities. Its larger price tag reflects its specialized design for these applications. In contrast, the VILTROX AF 50mm F2.0 Air Z Lens is designed for a broader audience, appealing to portrait and street photographers who benefit from its versatility and compactness. This makes VILTROX a suitable option for hobbyists and professionals alike who are looking for a dependable all-rounder.
Which should you buy?
Choosing between the Sigma 10-18mm F2.8 DC DN and the VILTROX AF 50mm F2.0 Air Z Lens ultimately depends on your specific photographic needs and budget. If you require an ultra-wide-angle lens for landscapes and video, the Sigma lens is the clear choice, despite its higher price. However, if you're looking for a versatile, budget-friendly option that excels in various photography styles, the VILTROX lens is an excellent selection. Each lens has its strengths, making your personal preferences the deciding factor in this comparison.

