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SKU
305794
MPN
414965
UPC
198983414652

Sigma 20mm f/1.4 DG DN Art Lens for Sony E

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  • Full-frame E-mount lens with aperture range f/1.4 to f/16
  • Two SLD elements reduce chromatic aberration for sharp images
  • Three aspherical elements enhance image quality and minimize distortion
  • Super Multilayer Coating improves contrast and reduces flare
  • Stepping AF motor with manual focus lock (MFL) switch for precise control
  • Rounded 11-blade diaphragm for smooth and pleasing bokeh
  • 82mm front filter thread for standard creative filters
  • Rear filter holder for additional filter options
  • Durable brass bayonet mount ensures long-term reliability

The Sigma 20mm f/1.4 DG DN Art Lens is an ultrawide prime lens designed for full-frame Sony E-mount mirrorless cameras. Ideal for landscape, architecture, and astrophotography, it delivers edge-to-edge sharpness, minimal distortion, and excellent low-light performance. Key features include a Manual Focus Lock (MFL) switch, rear filter holder, and 82mm front filter threads for creative flexibility.

Key Features

  • Fast f/1.4 maximum aperture for low-light performance and shallow depth of field
  • Wide 20mm prime lens (30mm equivalent on APS-C)
  • Two SLD and three aspherical elements for superior chromatic correction
  • Concave double-sided aspherical element for outstanding edge-to-edge sharpness
  • Optimized sagittal coma control for astrophotography
  • Super Multilayer Coating reduces flare and ghosting
  • Inner focus system with STM stepping motor for fast, near-silent autofocus
  • Manual Focus Lock (MFL) switch for stable focus during long exposures
  • Aperture ring with click and lock switches
  • Rounded 11-blade diaphragm for smooth bokeh
  • Petal-shaped lens hood for flare reduction and front element protection
  • 82mm front filter threads plus rear filter holder for sheet-type filters
  • Curved front lip for optional lens heater attachment
  • Durable brass bayonet mount for precision and reliability
  • Compatible with AF Assist function on select Sony E-Mount cameras
In the Box
  • Sigma 20mm f/1.4 DG DN Art Lens for Sony E
  • Sigma Lens Hood for 20mm f/1.4 Art DG DN Lens
  • Sigma LCF-82 III 82mm Front Lens Cap
  • Sigma LCR II Rear Lens Cap for Sony E
  • GP-21 Guide Plate
  • Limited 4-Year Manufacturer Warranty
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More Information
SKU305794
BrandsSigma
MPN414965
UPC198983414652
Product ConditionNew
Specifications
Sigma 20mm f/1.4 DG DN ART Specs
Focal Length 20mm
Maximum Aperture f/1.4
Minimum Aperture f/16
Lens Mount Sony E
Lens Format Coverage Full-Frame
Angle of View 94.5°
Minimum Focus Distance 9.1" / 23 cm
Magnification 1:6.1 Macro Reproduction Ratio
0.16x Magnification
Optical Design 17 Elements in 15 Groups
Aperture/Iris Blades 11, Rounded
Focus Type Autofocus
Image Stabilization No
Filter Size 82 mm (Front), Gel Filter (Rear)
Dimensions ø: 3.5 x L: 4.4" / ø: 87.8 x L: 113.2 mm
Weight 22.2 oz / 630 g
Package Weight 2.565 lb
Box Dimensions (LxWxH) 9.4 x 6 x 5.9"
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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