Sigma 10- vs Sony FE 400-
Updated July 2026 — Sigma 10- wins on weight and size, Sony FE 400- wins on price and focal length.
The Sigma 10-18mm F2.8 DC DN is an excellent choice for budget-conscious photographers seeking versatility, while the Sony FE 400-800mm f/6.3-8 G OSS excels in professional telephoto performance.
Why Sigma 10- is better
Price
Sigma is significantly cheaper at $679.00.
Weight
Sigma is the lightest ultra-wide-angle zoom lens.
Versatility
Sigma is versatile for landscapes and video.
Why Sony FE 400- is better
Focal Length
Sony covers a super-telephoto range of 400-800mm.
Autofocus
Sony has fast, precise autofocus for tracking subjects.
Optical Quality
Sony provides high resolution and natural bokeh.
Overall score
Specifications
| Spec | Sigma 10- | Sony FE 400- |
|---|---|---|
| Brand | Sigma | Sony |
| Type | Ultra-wide | Super-telephoto |
| Max Aperture | F2.8 | F6.3 |
| Zoom Range | 10-18mm | 400-800mm |
| Ideal For | Landscapes | Wildlife |
Dimension comparison
Overview of the Lenses
The Sigma 10-18mm F2.8 DC DN is priced at $679.00, making it significantly cheaper than the Sony FE 400-800mm f/6.3-8 G OSS, which costs $2,698.00. This price difference of about 60% highlights the distinct market segments these lenses cater to. The Sigma lens is designed for ultra-wide-angle photography, while the Sony lens targets super-telephoto applications, showcasing a clear division in their intended uses.
Design and Build Quality
The Sigma 10-18mm F2.8 DC DN is marketed as the world's smallest and lightest ultra-wide-angle zoom lens for APS-C cameras. This compact design is ideal for travel and content creation, allowing photographers to easily carry it on their adventures. In contrast, the Sony FE 400-800mm f/6.3-8 G OSS features an internal zoom design that enhances stability during use. While the Sigma is focused on mobility, the Sony lens's larger size is necessary to accommodate its expansive focal length, making it suitable for capturing distant subjects.
Optical Performance
The Sigma 10-18mm F2.8 DC DN excels in landscapes and video, offering large-aperture capabilities that enhance its imaging potential. Its ultra-wide-angle design allows for expressive compositions. On the other hand, the Sony FE 400-800mm f/6.3-8 G OSS is designed for high-resolution images and natural bokeh across its zoom range. This lens's ability to capture fast-moving subjects with precision sets it apart, especially in wildlife and sports photography, making it a powerful tool for professionals.
Autofocus and Handling
The Sigma 10-18mm offers a straightforward autofocus experience suitable for general photography and videography. However, it may not have the advanced autofocus features of the Sony. The Sony FE 400-800mm shines with fast, precise autofocus that is essential for tracking unpredictable subjects. Its internal zoom mechanism helps maintain a stable handling experience, crucial for long shooting sessions, especially when shooting at higher focal lengths.
Target Audience
The Sigma 10-18mm F2.8 DC DN appeals to landscape, travel, and content creators looking for an accessible and lightweight lens. At $679.00, it is a practical choice for amateur photographers and vloggers. Conversely, the Sony FE 400-800mm f/6.3-8 G OSS is aimed at professionals who require superior telephoto capabilities for sports and wildlife photography. At $2,698.00, it is an investment for those who need the best in performance and flexibility.
Versatility
The Sigma lens is versatile for a variety of creative projects, from wide landscapes to dynamic video content. Its large aperture makes it suitable for low-light situations as well. Meanwhile, the Sony FE 400-800mm provides extensive focal length options, particularly useful for capturing distant subjects and achieving telephoto compression. This versatility caters to photographers who specialize in diverse genres, from nature to event photography.
Price Comparison
The Sigma 10-18mm F2.8 DC DN is priced at $679.00, which positions it as a budget-friendly option for those entering the world of photography or needing a reliable ultra-wide-angle lens. In comparison, the Sony FE 400-800mm f/6.3-8 G OSS's price of $2,698.00 reflects its advanced capabilities and features, appealing to serious photographers. The price difference of about $2,019 between the two lenses clearly indicates their target markets and intended applications.
Which should you buy?
Choosing between the Sigma 10-18mm F2.8 DC DN and the Sony FE 400-800mm f/6.3-8 G OSS ultimately depends on your photography needs and budget. If you are looking for an affordable, lightweight lens for landscapes and video, the Sigma is the clear choice at $679.00. However, if your focus is on professional wildlife or sports photography where distance is crucial, the Sony lens, despite its higher price of $2,698.00, offers unparalleled performance and features. Each lens serves a distinct purpose, catering to different types of photographers.

