Sigma 24- vs Sony SEL2470GM2 FE 24-
Updated July 2026 — Sony SEL2470GM2 FE 24- leads on price and weight.
The Sigma lens offers excellent value for its price, while the Sony lens provides superior autofocus and image quality.
Why Sigma 24- is better
Price
Sigma is about 47% cheaper than Sony.
Sharpness
Sigma offers high sharpness throughout the image.
General Use
Sigma is suitable for various photography scenarios.
Why Sony SEL2470GM2 FE 24- is better
Autofocus
Sony features advanced autofocus with XD Linear Motors.
Image Quality
Sony provides G Master resolution and exquisite bokeh.
Weight
Sony is the world's lightest full-frame F2.8 zoom lens.
Overall score
Specifications
| Spec | Sigma 24- | Sony SEL2470GM2 FE 24- |
|---|---|---|
| Focal Length | 24-70mm | 24-70mm |
| Aperture | f/2.8 | f/2.8 |
| Mount | Sony E | Sony E |
| Weight | 24.6 oz | 695 g |
| Price | $1319.00 | $2448.00 |
Dimension comparison
Overview of the Lenses
When comparing the Sigma 24-70mm F2.8 DGDN II for Sony E and the Sony SEL2470GM2 FE 24-70mm f/2.8 GM II, it's essential to note their distinct price points and features. The Sigma lens is priced at $1,319.00, making it about 47% cheaper than the Sony lens, which retails for $2,448.00. This substantial difference in price may appeal to budget-conscious photographers who still desire high-quality optics.
Build and Design
The Sigma 24-70mm F2.8 DGDN II is designed for the Sony E mount, offering high sharpness throughout the image. While specific design metrics are not listed, its construction aims to provide durability and performance. In contrast, the Sony SEL2470GM2 is noted for being the world's lightest full-frame F2.8 constant aperture standard zoom lens, weighing just 24.6 oz (695 g). This lightweight nature enhances portability, particularly for professional use, making it an appealing choice for those who prioritize mobility.
Image Quality
In terms of image quality, the Sigma lens boasts high sharpness across the frame, making it a reliable option for capturing detailed images. The Sony lens, however, takes image quality a step further with its G Master resolution and exquisite bokeh, aided by advanced lens technology. It features two high-precision XA elements and multiple ED glass elements that control aberrations, which can result in sharper images at all zoom and aperture settings. This commitment to image quality might be particularly valuable for photographers working in challenging lighting conditions.
Autofocus Performance
The autofocus systems of these two lenses are notably different. The Sigma lens does not explicitly mention autofocus capabilities, suggesting it may rely on the camera body's autofocus system. Conversely, the Sony SEL2470GM2 incorporates four XD Linear Motors for fast, precise, and quiet autofocus. This advanced autofocus performance allows photographers to shoot at up to 30 frames per second, which is particularly beneficial for action or wildlife photography, where speed is essential.
Versatility and Usage
Both lenses offer versatility, but they cater to slightly different user needs. The Sigma lens is designed for general photography, making it suitable for various scenarios. However, the Sony lens is optimized for both stills and video, highlighting its advanced features that include a floating focus mechanism and reduced focus breathing. This makes the Sony a better choice for videographers who need smooth focus transitions and precise control during shooting.
Price Consideration
Price is a significant factor for many photographers when choosing a lens. At $1,319.00, the Sigma 24-70mm F2.8 DGDN II is a more budget-friendly option compared to the Sony lens, which costs $2,448.00. This price difference of about $1,129.00 can be a deciding factor for enthusiasts or semi-professionals who are looking for quality without breaking the bank. While the Sony lens offers advanced features, the Sigma provides excellent value for its price.
Brand Reputation
Sigma has built a reputation for producing high-quality lenses at competitive prices, while Sony is often regarded as a leader in camera technology, known for its innovative features and superior build quality. Photographers who prioritize brand reputation may gravitate towards the Sony SEL2470GM2, given its backing by a well-established name in the industry. However, Sigma's commitment to quality optics should not be underestimated, especially at its price point.
Which should you buy?
Choosing between the Sigma 24-70mm F2.8 DGDN II and the Sony SEL2470GM2 ultimately depends on your specific needs and budget. If you are looking for a high-quality lens that is about 47% cheaper and still offers excellent sharpness, the Sigma lens is a solid choice. On the other hand, if you are willing to invest more for superior autofocus performance, advanced features, and exceptional image quality, the Sony lens may be worth the additional cost. Your decision should reflect your photography style, whether you prioritize portability, advanced technology, or budget considerations.

