Sigma AF 17mm F/4 DG I Contemporary Lens – L Mount

Description

Sigma 17mm F4 DG DN | Contemporary L-Mount & Sony E-Mount

The Sigma 17mm F4 DG DN | Contemporary is an ultra-wide, full-frame prime lens designed for photographers who want big impact in a compact package. Part of the beautifully crafted I Series, this lens is perfect for travel, vlogging, architecture, interiors, and sweeping landscapesoffering an expansive field of view without the bulk.

Key Features

• Lens Mounts: L-Mount and Sony E-Mount

• Sensor Format: Full-frame (DG)

• Focal Length: 17mm ultra-wide perspective for dynamic compositions

• Maximum Aperture: f/4 compact and consistent with excellent depth of field control

• Minimum Aperture: f/22

• Angle of View: 103.7

• Aperture Blades: 7 (rounded diaphragm for smooth out-of-focus areas)

• Minimum Focusing Distance: 12cm / 4.8in

• Maximum Magnification: 1:3.6

• Filter Size: 55mm

Optical Design

With 9 elements in 8 groups, including:

• 2 SLD (Special Low Dispersion) elements

• 3 aspherical lenses

This lens provides excellent sharpness, minimal distortion, and strong close-up performancedespite its ultra-wide coverage. The short focusing distance adds creative flexibility for unique angles and foreground emphasis.

Build & Dimensions

• L-Mount: 64.0mm 48.8mm

• Sony E-Mount: 64.0mm 50.8mm

• Weight:

  • L-Mount: 225g / 7.9oz

  • Sony E-Mount: 220g / 7.8oz

Despite its ultra-wide field of view, the lens remains exceptionally compact and lightweight. Its all-metal construction and tactile controls reflect Sigmas premium I Series design ethos.

Supplied Accessories

• Lens Hood (LH576-06B / LH576-06S)

• Magnetic Metal Lens Cap (LCF55-02 MB / MS)

• Standard Front Cap (LCF-55 IV)

• Rear Cap (LCR III)

• Protective Pouch

Edition Number: C023

The edition number indicates the year of original release and may differ from the manufacture date depending on the mount.

Why Choose the Sigma 17mm F4 DG DN?

Compact yet capable, the Sigma 17mm F4 DG DN is a superb ultra-wide option for photographers and content creators who want expansive framing without sacrificing portability. Ideal for travel, vlogging, and environmental storytellingits a small lens with a big perspective.