The Sigma 20mm f/2 DG DN Contemporary Lens for Sony E is a compact, all-metal wide-angle prime designed for creators who need portability and exceptional optical performance. Ideal for landscapes, cityscapes, vlogging, live streaming, and astrophotography, it delivers edge-to-edge sharpness with a bright f/2 aperture for impressive low-light results.

A smooth stepping motor ensures fast, accurate, and silent autofocus—perfect for both photography and video work.

Key Features

Refined Optical Performance

• Part of Sigma’s Global Vision Contemporary line, balancing convenience with pro-grade quality.

• Features one SLD and one FLD glass element to minimize chromatic aberration.

• Three high-precision aspherical elements help reduce size and weight while maintaining exceptional image sharpness.

Premium Physical Design

• Robust I-series all-metal construction inspired by Sigma’s cine-lens standards.

• Includes a mechanical aperture ring and tactile metal controls for intuitive operation.

• Designed for full-frame Sony E-mount cameras and also compatible with APS-C bodies (30mm equivalent).

• Bright f/2 aperture provides effective low-light performance and refined depth-of-field control.

• Rounded nine-blade diaphragm delivers smooth, natural bokeh.

Fast Close-Up Focusing

• Stepping motor enables quiet, accurate, and fluid autofocus—ideal for hybrid shooters.

• Full-time manual focus switch (linear/non-linear MF modes available).

• Minimum focusing distance: 8.7 inches, enabling creative close-up compositions.

All-Purpose Functionality

• Durable all-metal body with a dust- and moisture-resistant lens mount.

• Metal lens hood reduces flare and protects the front element.

• Compatible with the optional CH-11 Magnetic Cap Holder for easy carrying.

Specifications

• Mount: Sony E

• Focal Length: 20mm (30mm on APS-C)

• Aperture Range: f/2 to smaller controlled values

• Optical Design: SLD, FLD, and 3 aspherical elements

• Autofocus: Stepping motor

• Minimum Focus Distance: 8.7 in (approx. 22 cm)

• Diaphragm: 9 rounded blades

• Build: All-metal construction, I-series design

• Weather Resistance: Dust- and moisture-resistant mount

In the Box

• Sigma 20mm f/2 DG DN Contemporary Lens for Sony E

• Front Lens Cap

• Rear Lens Cap

• Lens Hood

• Limited 1-Year Manufacturer Warranty