The Sigma 17mm f/4 DG DN Contemporary Lens is a compact and lightweight ultra-wide-angle lens designed specifically for Sony E-mount mirrorless cameras. Introduced in 2023, this lens offers an impressive combination of optical performance and versatility, making it suitable for various photography styles, including landscapes and close-up shots.

Key Features

Optical Design: The lens construction consists of 9 elements in 8 groups, incorporating 2 Special Low Dispersion (SLD) elements and 3 aspherical lenses. This design minimizes optical aberrations, flare, and ghosting, ensuring high-quality image rendering even in challenging lighting conditions.

Angle of View: With a diagonal angle of view of 103.7°, the lens captures expansive scenes, making it ideal for landscape photography.

Minimum Focusing Distance: The lens boasts a close focusing distance of just 12 cm (4.8 inches), allowing for creative close-up photography and handheld selfies.

Aperture Range: The lens has a maximum aperture of f/4, which can be stopped down to a minimum of f/22. It features a rounded diaphragm with 7 blades, contributing to pleasing out-of-focus areas.

Build Quality: Constructed with an all-metal barrel, the Sigma 17mm f/4 is designed for durability while maintaining a lightweight profile at approximately 220g (7.8 oz). Its dimensions are compact at φ64mm x 48.8mm (2.52 x 1.92 inches).

Filter Size: The lens accepts a filter size of 55mm, which is convenient for photographers who use filters regularly.

Accessories Included: It comes with a petal-shaped metal lens hood (LH576-03) and magnetic front cap (LCF55-01M), enhancing usability and protection.