Sigma 20mm f/2 DG DN Contemporary I-Series Lens for Sony E

The Sigma 20mm f/2 DG DN Contemporary is a compact, premium wide-angle prime from Sigma's I-series, designed for full-frame Sony E-mount mirrorless cameras. With a bright f/2 maximum aperture, an all-metal cine-inspired build, and edge-to-edge sharpness, it's the ideal Sigma Sony E wide-angle lens for landscape, astrophotography, vlogging, street photography, and low-light shooting.

Key Features

• f/2 maximum aperture — ideal balance of speed and compactness for low-light performance, depth of field control, and astrophotography
• I-series cine-inspired design — all-metal body with mechanical aperture ring, knurled components, and tactile controls built to Sigma Cine lens standards
• 3x High-precision Aspherical + 1x SLD + 1x FLD elements correct chromatic aberrations and reduce size and weight while maintaining outstanding sharpness
• Stepping motor AF with arc-type AF/MF switch — smooth, quiet, and fast for both stills and video
• Rounded 9-blade diaphragm for smooth, pleasing bokeh quality
• Minimum focus distance of 22cm (8.7") for close-up wide-angle creative shots
• Dust- and moisture-resistant mount with metal lens hood included for flare control and front element protection

Technical Specifications

• Focal Length: 20mm
• Maximum Aperture: f/2
• Lens Mount: Sony E (full-frame; 30mm equivalent on APS-C)
• Optical Design: 3x Aspherical, 1x SLD, 1x FLD elements
• Autofocus: Stepping motor with arc-type AF/MF switch
• Aperture Ring: Yes — mechanical, click/de-click
• Diaphragm Blades: 9 (rounded)
• Minimum Focus Distance: 22cm (8.7")
• Filter Thread: 67mm
• Weight: Approx. 370g
• Build: All-metal I-series body with dust- and moisture-resistant mount

What's in the Box

• Sigma 20mm f/2 DG DN Contemporary Lens (Sony E mount)
• Front and rear lens caps
• Metal lens hood
• Lens case

Why Buy from Foto Discount World

• Authorised Sigma dealer in South Africa
• Competitive tax-inclusive ZAR pricing
• Pre-order and stock confirmation available — call 012 548 5651 or email sales@fotodiscountworld.co.za
• Expert advice from a team passionate about photography
• Trusted by Sony E-mount photographers across South Africa