Sigma 28- vs Viltrox
Updated July 2026 — Sigma 28- wins on versatility and optical quality, Viltrox wins on price and weight.
The Sigma 28-70mm F2.8 DG DN offers superior versatility and optical performance, while the Viltrox 25mm F1.7 E is a budget-friendly option for low-light photography.
Why Sigma 28- is better
Versatility
Sigma offers a zoom range compared to Viltrox's fixed focal length.
Optical Quality
Sigma provides outstanding image quality across its zoom range.
Build Quality
Sigma features a robust construction with advanced coatings.
Why Viltrox is better
Price
Viltrox is significantly cheaper than Sigma.
Weight
Viltrox is lighter, making it more portable.
Low-Light Performance
Viltrox's f/1.7 aperture excels in low-light conditions.
Overall score
Specifications
| Spec | Sigma 28- | Viltrox |
|---|---|---|
| Focal Length | 28-70mm | 25mm |
| Aperture | f/2.8 | f/1.7 |
| Autofocus | Yes | Yes |
| Internal Focusing | Yes | No |
| Coating | Nano Porous | Standard |
Dimension comparison
Overview of Sigma 28-70mm F2.8 DG DN for Sony E Black
The Sigma 28-70mm F2.8 DG DN for Sony E Black is designed for photographers seeking versatility without sacrificing image quality. It boasts internal focusing and a superb build quality, making it an excellent choice for both amateur and professional use. This lens is currently priced at $859.95, which reflects its premium positioning in the market.
The Sigma lens is ideal for a range of shooting scenarios, from landscapes to portraits. With a focal length that covers both wide-angle and moderate zoom, it offers flexibility in composition. The lightweight and compact design further enhances its usability for daily photography, making it a staple in any photographer's kit.
Overview of Viltrox 25mm F1.7 E
The Viltrox 25mm F1.7 E is a lightweight prime lens that excels in low-light conditions, thanks to its bright f/1.7 maximum aperture. Priced at $176.00, it is significantly more affordable than the Sigma lens, making it a popular choice for budget-conscious photographers and videographers alike.
This lens is particularly suitable for portrait photography, as it provides greater control over depth of field. Weighing only 170g, it is designed for easy portability, allowing users to carry it effortlessly for day-to-day shooting or travel. Its autofocus capabilities, enhanced by the STM stepper motor, ensure quiet operation, crucial for both video and stills.
Build Quality and Design
When it comes to build quality, the Sigma 28-70mm F2.8 DG DN stands out with its robust construction. The lens features a focus mode switch and a nano porous coating, which helps in reducing flare and ghosting, enhancing the overall image quality. Its design is lightweight and compact, making it easy to handle during extended shooting sessions.
In contrast, the Viltrox 25mm F1.7 E is also designed with portability in mind, but it focuses more on being user-friendly with its lightweight design. While it may not have the same level of robust construction as the Sigma, it still provides a reliable performance for everyday use. The emphasis on ease of use and travel compatibility makes it appealing for photographers who prioritize convenience.
Optical Performance
The optical performance of the Sigma 28-70mm is noteworthy, as it delivers outstanding image quality across its zoom range, rivalling even the renowned Art line lenses. This lens is built upon advanced optical technology, ensuring sharpness and clarity in various lighting conditions. The internal focusing mechanism further enhances its performance, allowing for quick adjustments without extending the lens.
The Viltrox 25mm F1.7 E, while not as versatile in focal length, excels in specific scenarios, particularly in low-light environments due to its larger aperture. The lens's design supports face and eye recognition autofocus, making it a strong contender for portrait and candid photography. However, it may not provide the same level of sharpness and detail across a range of focal lengths as the Sigma.
Price Comparison
The price difference between these two lenses is significant. The Sigma 28-70mm F2.8 DG DN is priced at $859.95, while the Viltrox 25mm F1.7 E is priced at $176.00. This makes the Viltrox about 80% cheaper than the Sigma, appealing to those who may be entering the photography world or are on a tight budget.
However, the difference in price reflects the differences in features and capabilities. The Sigma lens, with its versatile zoom range and superior optical performance, caters to serious photographers, while the Viltrox offers an economical entry point with its specialized low-light capabilities.
Target Audience
The Sigma 28-70mm F2.8 DG DN is designed for serious photographers and videographers who require a versatile lens for various shooting situations. Its high quality and performance make it suitable for professional use, whether in a studio or on location. The build quality and features cater to those who value reliability and excellence in their gear.
On the other hand, the Viltrox 25mm F1.7 E targets a different audience—enthusiasts and beginners looking for an affordable yet capable lens. Its lightweight design and user-friendly features make it perfect for travel and casual photography, appealing to those who may not need the extensive capabilities of a zoom lens.
Which should you buy?
In conclusion, the choice between the Sigma 28-70mm F2.8 DG DN and the Viltrox 25mm F1.7 E largely depends on your specific needs and budget. If you are a professional or serious enthusiast looking for exceptional optical performance and versatility, the Sigma is worth the investment at $859.95. However, if you are starting out or need a budget-friendly option that performs well in low-light conditions, the Viltrox at $176.00 is an excellent choice. Each lens has its strengths, making them suitable for different types of photographers.