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Wide-Angle Prime with Close-Focusing Capabilities

The stylish all-metal design of the Sigma Sony E-mount 20mm f/2 DG DN Contemporary Lens provides excellent edge-to-edge sharpness and close-focusing capabilities. With a modestly bright f/2 maximum aperture, this lens is perfect for low-light performance, shallow depth of field control, and night sky and astrophotography. It's also ideal for landscapes, cityscapes, handheld vlogging, and video streaming. The stepping motor ensures quick, accurate, and quiet AF performance for both photo and video applications.

Refined Optics

  • As part of the Contemporary line within Sigma's Global Vision series, this lens is designed to achieve a balance between convenience and performance and meshes a compact, lightweight build and versatile handling with notable optical attributes.
  • The lens is constructed with one SLD glass element and one FLD glass element to correct chromatic aberration. It incorporates three high-precision aspherical elements, which reduces the total size and weight of the lens.

Physical Design

  • I-series lens emphasizing a sleek and stylish physical design built to the same operational standards of Sigma's Cine lenses, including a mechanical aperture ring, knurled metal components, and various switches and tactile controls for intuitive operation.
  • Wide-angle 20mm lens designed for full-frame Sony E-mount mirrorless cameras, however, can also be used with APS-C models where it provides a 30mm equivalent focal length.
  • Bright f/2 maximum aperture strikes and ideal balance between speed and size and manages to maintain a compact physical profile while also offering low-light performance and depth of field control.
  • Rounded nine-blade diaphragm contributes to a smooth and pleasing bokeh quality.

Fast Closeup Focusing

  • Integrated stepping motor realizes smooth and quiet autofocus. Full-time manual focus control can also be selected via an arc-type auto/manual focus switch. A newly designed linear/non-linear manual focus function is also available.
  • Minimum focusing distance of 8.7" for unique close-up shooting capabilities.

All-Purpose Functionality

  • All-metal body and high-precision metal parts with a dust- and moisture-resistant lens mount for increased protection from the elements.
  • Metal lens hood helps to reduce lens flare when working in strong lighting conditions and also offers some protection to the front element of the lens.
  • Compatible with optional CH-11 Magnetic Cap Holder, which features a mini-carabiner for clipping to a bag, jacket, or belt loop.
Focal Length
20mm
Maximum Aperture
f/2
Minimum Aperture
f/22
Lens Mount
Sony E
Lens Format Coverage
Full-Frame
Angle of View
94.5°
Minimum Focus Distance
8.7" / 22 cm
Maximum Magnification
0.15x
Macro Reproduction Ratio
1:6.7
Optical Design
13 Elements in 11 Groups
Diaphragm Blades
9, Rounded
Focus Type
Autofocus
Filter Size
62 mm (Front)
Dimensions (ø x L)
7 x 7.44 cm
Weight
0.370 kg


* Specifications subject to change by the manufacturer without notice

  • Sigma 20mm f/2 DC DN Contemporary Lens for Sony E-Mount
  • Front Lens Cap
  • Rear Lens Cap
  • Lens Hood

Reviews

* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.