Sigma 28- vs VILTROX
Updated July 2026 — Sigma 28- wins on versatility and build, VILTROX wins on price and weight.
The Sigma 28-70mm F2.8 DG DN offers versatility and superior build quality, while the VILTROX 85mm F2.0 Z Lens excels in portrait photography at a lower price.
Why Sigma 28- is better
Versatility
Sigma lens is a zoom lens suitable for various photography styles.
Build Quality
Sigma lens has superb build quality for durability.
Aperture Range
Sigma offers a constant f/2.8 aperture throughout its zoom range.
Why VILTROX is better
Price
VILTROX lens is significantly cheaper.
Weight
VILTROX lens is lighter, making it easier to handle.
Bokeh Quality
VILTROX lens produces stunning bokeh for portraits.
Overall score
Specifications
| Spec | Sigma 28- | VILTROX |
|---|---|---|
| Focal Length | 28-70mm | 85mm |
| Aperture | f/2.8 | f/2.0 |
| Autofocus | Yes | Yes |
| Weight | 500g | 360g |
| Price | $859.95 | $275.00 |
Dimension comparison
Overview
When comparing the Sigma 28-70mm F2.8 DG DN for Sony E and the VILTROX 85mm F2.0 Z Lens, significant differences in design, functionality, and price emerge. The Sigma lens, priced at $859.95, serves as a versatile zoom option for various shooting scenarios, while the VILTROX lens, priced at $275.00, specializes in portrait photography with its wide aperture and lightweight build.
Design and Build Quality
The Sigma 28-70mm F2.8 DG DN is engineered for durability and portability, featuring a superb build quality that enhances its usability in various environments. It weighs significantly less than many standard zoom lenses, making it a great everyday companion. In contrast, the VILTROX 85mm F2.0 Z Lens is even lighter, weighing just 360g, and features a compact design that measures φ69mm x 78mm. This makes the VILTROX lens particularly appealing for photographers seeking a lens that is easy to handle for long sessions.
Optical Performance
The Sigma 28-70mm F2.8 DG DN employs advanced optical design based on its acclaimed 24-70mm counterpart, ensuring outstanding image quality across its zoom range. It boasts internal focusing and a Nano Porous Coating, which contributes to reduced flare and ghosting. On the other hand, the VILTROX 85mm F2.0 Z Lens features 10 elements in 8 groups, including Extra-low Dispersion (ED) elements that minimize chromatic aberration. While the Sigma lens offers versatility, the VILTROX lens excels in producing stunning bokeh, ideal for portraiture.
Aperture and Versatility
The Sigma 28-70mm F2.8 DG DN provides a constant aperture of f/2.8 throughout its zoom range, allowing for consistent performance in various lighting conditions. This flexibility makes it suitable for everything from landscapes to portraits. Conversely, the VILTROX 85mm F2.0 Z Lens features a wider f/2.0 aperture, enabling better light control and achieving a stronger background blur, which is particularly valuable for portrait photographers. While the Sigma lens is more versatile, the VILTROX lens shines in specific portrait applications.
Autofocus Capabilities
Both lenses offer impressive autofocus capabilities, but they cater to different needs. The Sigma 28-70mm F2.8 DG DN includes a Focus Mode Switch, allowing photographers to quickly toggle between settings for different subjects. It is engineered for smooth and accurate focusing that complements its versatile zoom range. The VILTROX 85mm F2.0 Z Lens, powered by a Stepping Motor (STM), ensures quiet and precise autofocus, making it an excellent choice for both photography and video work. Depending on your focus needs, either lens can serve you well.
Price Comparison
The most striking difference between these two lenses is their price. The Sigma 28-70mm F2.8 DG DN is priced at $859.95, while the VILTROX 85mm F2.0 Z Lens is about 68% cheaper at $275.00. This substantial price gap may influence your decision, especially if you have budget constraints. While the Sigma offers a broader range of functions, the VILTROX provides excellent value for those specifically focused on portrait photography.
Use Cases
The Sigma 28-70mm F2.8 DG DN lens is ideal for photographers who require a multi-functional lens for various situations, including travel, events, and everyday shooting. Its combination of zoom capabilities and solid build quality makes it a practical choice for diverse applications. On the other hand, the VILTROX 85mm F2.0 Z Lens is tailored for portrait photographers who prioritize sharpness and beautiful bokeh in their shots. If you often shoot portraits or need a lens specifically for that purpose, the VILTROX lens is likely the better fit.
Which should you buy?
Ultimately, your choice between the Sigma 28-70mm F2.8 DG DN and the VILTROX 85mm F2.0 Z Lens should depend on your specific photographic needs and budget. If versatility and a broader focal range are your priorities, the Sigma lens is a solid investment despite its higher price. However, if you're focused on portrait photography and want to save significantly, the VILTROX lens offers remarkable performance at a fraction of the cost.