Sigma 24- vs Sony FE
Updated July 2026 — Sigma 24- wins on versatility and sharpness, Sony FE wins on weight and portability.
The Sigma lens offers greater versatility and sharpness, while the Sony lens excels in portability and affordability.
Why Sigma 24- is better
Versatility
Sigma lens covers a wider focal range.
Sharpness
High sharpness throughout the entire image.
Aperture
Constant f/2.8 aperture throughout zoom range.
Why Sony FE is better
Portability
Compact and lightweight design.
Price
More affordable option at $798.
Build Quality
Aluminum exterior for durability.
Overall score
Specifications
| Spec | Sigma 24- | Sony FE |
|---|---|---|
| Focal Length | 24-70mm | 40mm |
| Max Aperture | f/2.8 | f/2.5 |
| Image Quality | High sharpness | Corner-to-corner sharpness |
| Build Material | Durable | Aluminum |
| Price | $1319.00 | $798.00 |
Dimension comparison
Overview of the Lenses
The 24-70mm F2.8 DGDN II for Sony E is a versatile zoom lens, while the Sony FE 40mm f/2.5 G Lens for E is a compact prime lens. Each lens serves different photographic needs. The Sigma lens is priced at $1,319.00, making it significantly more expensive than the Sony lens, which is priced at $798.00. This price difference of about 39% reflects the varying capabilities and target audiences for these lenses.
Intended Use
The 24-70mm F2.8 DGDN II for Sony E is designed for photographers who need flexibility in framing and composition. With a variable focal length, it excels in a range of situations, from wide-angle landscapes to intimate portraits. On the other hand, the Sony FE 40mm f/2.5 G Lens for E is tailored for those who prefer a lightweight, compact option without sacrificing image quality. It is ideal for street photography and travel, where portability is a priority.
Image Quality
Image quality is a crucial factor for any lens. The 24-70mm F2.8 DGDN II for Sony E boasts high sharpness throughout the entire image, ensuring that details are crisp from edge to edge. In contrast, the Sony FE 40mm f/2.5 G Lens for E features three aspheric elements designed to provide corner-to-corner sharpness, which is particularly beneficial for capturing high-resolution images. Both lenses excel in image quality, but the Sigma lens offers a broader versatility for various shooting conditions.
Aperture Performance
The maximum aperture is vital for low-light performance and depth of field control. The 24-70mm F2.8 DGDN II has a constant aperture of f/2.8, making it effective for low-light situations and providing a shallow depth of field throughout its zoom range. Meanwhile, the Sony FE 40mm f/2.5 G Lens has a maximum aperture of f/2.5, which aids in achieving beautiful bokeh and low-light performance. Although the difference in maximum aperture is slight, it can influence creative choices depending on shooting conditions.
Build Quality
Build quality can greatly affect a photographer's experience and the lens's longevity. The 24-70mm F2.8 DGDN II for Sony E is built with a focus on high durability and performance, suitable for professional use. The lens is designed to withstand the rigors of frequent use. The Sony FE 40mm f/2.5 G Lens also emphasizes durability, featuring an aluminum exterior that ensures a premium finish. Its ultra-compact and lightweight design makes it an excellent choice for photographers on the go.
Weight and Portability
Portability is a significant consideration for many photographers, especially those who travel frequently. The 24-70mm F2.8 DGDN II for Sony E is larger and heavier compared to the Sony FE 40mm f/2.5 G Lens. The compact size of the Sony lens makes it an appealing choice for those looking to minimize the weight of their gear without compromising image quality. This can be particularly advantageous for street photographers or travelers who need to carry their equipment for extended periods.
Price Comparison
The price difference between the two lenses is notable, with the 24-70mm F2.8 DGDN II for Sony E priced at $1,319.00 and the Sony FE 40mm f/2.5 G Lens for E at $798.00. This means that the Sony lens is about 39% cheaper, making it a more accessible option for photographers on a budget. While the Sigma lens offers versatility and superior sharpness, the Sony lens provides excellent value for those who need a high-quality, compact prime lens.
Which should you buy?
Ultimately, the choice between the 24-70mm F2.8 DGDN II for Sony E and the Sony FE 40mm f/2.5 G Lens for E depends on your specific needs as a photographer. If you require versatility for various shooting scenarios and don't mind a higher price point, the Sigma lens is an excellent choice. However, if you prioritize portability and a lower price, the Sony lens is a fantastic option that still delivers high-quality images. Each lens has its strengths, making them suitable for different styles of photography.

