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Sigma 28- vs VILTROX

Updated July 2026 — Sigma 28- wins on price and weight, VILTROX wins on minimum focus and field of view.

The Sigma 28-70mm offers versatility and superior build quality, while the VILTROX 9mm provides an affordable wide-angle option with excellent close-up capabilities.

Why Sigma 28- is better

Versatility

Sigma's zoom range allows for various photography styles.

Build Quality

Sigma features superior materials and design.

Optical Performance

Sigma rivals Art line lenses in image quality.

Why VILTROX is better

Price

VILTROX is significantly cheaper.

Minimum Focus

VILTROX has a closer minimum focusing distance.

Weight

VILTROX is lighter and more portable.

Overall score

Sigma 28-
85
VILTROX
72

Specifications

SpecSigma 28-VILTROX
AutofocusYesYes
Optical Design15 elements13 elements
CoatingNano PorousStandard
Zoom TypeStandardPrime
Close-up ShotsLimitedExcellent

Dimension comparison

Sigma 28-VILTROX

Overview

The Sigma 28-70mm F2.8 DG DN for Sony E and the VILTROX 9mm F2.8 E are both excellent choices for photographers, but they cater to different needs and shooting styles. The Sigma lens is a versatile standard zoom, while the VILTROX lens is a prime wide-angle option. This fundamental difference will influence which lens is better suited for your photography.

Price Comparison

The Sigma lens is priced at $859.95, while the VILTROX lens is significantly cheaper at $199.00, making it about 77% less expensive. This stark difference in price can be a determining factor for many photographers, especially those who are budget-conscious or just starting. The Sigma lens may offer advanced features and build quality, but the VILTROX lens provides a very affordable entry point into high-quality wide-angle photography.

Build Quality and Design

The Sigma 28-70mm is built with superb quality and features a lightweight and compact design, which is ideal for day-to-day use. It includes an internal focusing mechanism and a Nano Porous Coating that enhances durability and performance in various conditions. In contrast, the VILTROX 9mm boasts a compact design as well, weighing only 175g, making it very portable. However, while it has thoughtful design details such as a lotus-shaped lens hood, it may not match the overall build quality of the Sigma.

Optical Performance

Optically, the Sigma lens is designed to deliver outstanding image quality that rivals the Art line of lenses, which is known for its high performance. The VILTROX lens features a complex optical design with 13 elements in 11 groups, including 3 High Refractive and 3 Extra-low Dispersion elements, ensuring sharp images from edge to edge. While both lenses promise excellent optical performance, the Sigma may offer more versatility across its zoom range.

Focal Length and Versatility

The Sigma lens offers a focal length range of 28-70mm, allowing for a variety of shooting scenarios from landscapes to portraits. This makes it highly versatile for different types of photography. On the other hand, the VILTROX lens has a fixed focal length of 9mm, providing an ultra-wide 113.8° field of view. This wide angle is perfect for capturing expansive landscapes or dynamic vlogs but may limit its use for portrait photography or more varied compositions.

Autofocus and Shooting Experience

The Sigma lens features a focus mode switch and internal focusing, providing a smooth and efficient autofocus experience. It is designed for users who require fast performance and precision. The VILTROX lens also includes reliable autofocus with an STM motor, allowing for quick and accurate focusing, which is especially beneficial for street photography or vlogging. Both lenses cater to different shooting styles, with the Sigma offering more control over focus modes compared to the VILTROX.

Minimum Focusing Distance

The VILTROX lens shines with a minimum focusing distance of just 0.13 meters (13cm), allowing for stunning close-up shots with incredible detail. This feature makes it a versatile choice for capturing intricate subjects. In contrast, the Sigma lens does not specify a minimum focusing distance, but as a standard zoom, it may not offer the same close-up capabilities. This makes the VILTROX a better option for photographers who frequently shoot close subjects.

Which should you buy?

Ultimately, your choice between the Sigma 28-70mm F2.8 DG DN for Sony E and the VILTROX 9mm F2.8 E should depend on your specific photography needs. If you require a versatile zoom lens that can handle a variety of scenarios with superb build quality, the Sigma is a strong contender, albeit at a higher price point. However, if you are looking for an affordable wide-angle lens with excellent optical performance and the ability to capture stunning close-ups, the VILTROX is the clear winner. Each lens has its strengths, so consider your shooting style and budget to make the best choice.