Sigma 28- vs VILTROX
Updated July 2026 — Sigma 28- wins on weight and versatility, VILTROX wins on price.
The Sigma 28-70mm F2.8 DG DN offers versatility and superior build quality, while the VILTROX 56mm f/1.7 provides an affordable option for portrait photography.
Why Sigma 28- is better
Versatility
Sigma's zoom range allows for various photography styles.
Build Quality
Sigma features superb build quality and durability.
Optical Performance
Sigma rivals higher-end lenses in image quality.
Why VILTROX is better
Price
VILTROX is significantly cheaper.
Weight
VILTROX is lighter and more portable.
Specialization
VILTROX is tailored for portrait photography.
Overall score
Specifications
| Spec | Sigma 28- | VILTROX |
|---|---|---|
| Focal Length | 28-70mm | 56mm |
| Aperture | F2.8 | F1.7 |
| Mount Type | Sony E | Sony E |
| Weight | 470g | 170g |
| Focus Type | Internal | STM |
Dimension comparison
Overview of the Sigma 28-70mm F2.8 DG DN and VILTROX 56mm f/1.7 E Lens
When comparing the Sigma 28-70mm F2.8 DG DN and the VILTROX 56mm f/1.7 E Lens, a clear distinction in their design and application emerges. The Sigma is priced at $859.95, while the VILTROX is significantly cheaper at $180.00, making it about 79% less expensive. This price difference highlights varying target users: the Sigma caters to those seeking versatility and quality in a standard zoom lens, while the VILTROX appeals to portrait photographers looking for a specialized, budget-friendly option.
Design and Build Quality
The Sigma 28-70mm F2.8 DG DN is known for its superb build quality, featuring internal focusing and a lightweight, compact body that is ideal for day-to-day use. Its Nano Porous Coating ensures that images remain clear and vivid, even in challenging lighting conditions. In contrast, the VILTROX 56mm f/1.7 E Lens, weighing only 170g, is also compact and designed with 9 groups of 11 optical structures, including 4 ED lenses. While both lenses offer portability, the Sigma's robust design may appeal to professionals who require durability, whereas the VILTROX is perfect for casual shooters and amateurs seeking a practical lens for portraiture.
Optical Performance
The optical performance of the Sigma 28-70mm F2.8 DG DN is impressive, as it delivers outstanding image quality throughout its zoom range, rivaling the performance of higher-end Art line lenses. The VILTROX 56mm f/1.7, with its fast aperture, offers a full-frame equivalent focal length of about 85mm, ideal for achieving beautiful bokeh and a three-dimensional perspective in portraits. Although both lenses have exceptional optical capabilities, the Sigma provides more versatility with its zoom range, making it suitable for various photography styles, from landscapes to portraits.
Autofocus Capabilities
The Sigma 28-70mm F2.8 DG DN features a focus mode switch, allowing for quick adjustments between autofocus and manual focus. This flexibility is crucial for photographers who may need to switch quickly based on shooting conditions. The VILTROX 56mm f/1.7 is equipped with an efficient and reliable autofocus system that utilizes a silent STM motor for precise and fast focusing, making it user-friendly even for novices. While both lenses excel in autofocus, the Sigma offers more versatility with its dual focus modes, catering to a broader range of shooting scenarios.
Intended Use Cases
The Sigma 28-70mm F2.8 DG DN is an excellent choice for photographers who require a versatile lens for various applications, including events, street photography, and landscapes. Its zoom range allows users to adapt to different scenes without changing lenses frequently. Conversely, the VILTROX 56mm f/1.7 is tailored specifically for portraiture, providing the right focal length and aperture to create stunning images with a soft background blur. While both lenses can serve different purposes, the Sigma's flexibility makes it a more comprehensive tool for diverse photography needs.
Price Comparison
The Sigma 28-70mm F2.8 DG DN is priced at $859.95, while the VILTROX 56mm f/1.7 is available for just $180.00. This significant price gap of about $679.95 reflects the differences in target audience and intended usage. Photographers looking for a high-quality, versatile lens may find the investment in the Sigma justified, whereas those on a budget or focusing primarily on portrait photography might prefer the VILTROX for its affordability and specialized features.
User Experience and Reviews
While sales ranks for both lenses are not provided, the Sigma 28-70mm F2.8 DG DN is known for its exceptional user experience, combining high-quality optics with ease of use. The lens's lightweight design and thoughtful features enhance the shooting experience for professionals. On the other hand, the VILTROX 56mm f/1.7 has garnered attention for its reliable autofocus and compact size, making it a favorite among those who prioritize portability without compromising on image quality. User experiences may vary, but both lenses have carved out their niches within the photography community.
Which should you buy?
Ultimately, the choice between the Sigma 28-70mm F2.8 DG DN and the VILTROX 56mm f/1.7 E Lens depends on your specific needs and budget. If you seek a versatile, high-performance lens that excels in various photography styles, the Sigma is worth the investment at $859.95. However, if you are primarily focused on portrait photography and are looking for an affordable option without sacrificing quality, the VILTROX at $180.00 is a compelling choice. Consider what you value most in your photography to make the best decision.

