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Sigma 20mm AF DG HSM Art Prime f/1.4 - Canon EF

Abel Code: SIG-412954
Mfr. Code: 412954
Estimated to Ship – 5-10 Business Days
Special Order Only
This is a special order item. You will be charged upon placing your order, which is non-cancelable and non-returnable.
Wide angle with outstanding edge to edge performance designed for full frame or APS-C camera sensors. Features a minimum focus distance (MOD) of 10.9" (27.6 cm) and a 9-bladed aperture.
Key Highlights
  • Wide angle for Full Frame
  • 20mm f/1.4 Prime
  • MOD: 10.9" (27.6 cm)
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Sigma 20mm AF DG HSM Art Prime f/1.4 - Canon EF Mount is a state of the art wide-angle prime lens designed for Full Frame cameras but will work with APS-C sensors as well. Using over 50 years of lens making experience, particularly the knowledge gained from the 35mm 1.4 Art and the 24mm 1.4 Art, the 20mm 1.4 Art is the widest large aperture Art lens to date. The latest optical design allows for the utmost in image quality with careful attention paid to edge to edge performance. Through decades of experience in lens design and Sigma Global Vision lens manufacturing, the 20mm incorporates both F Low Dispersion (FLD) glass, and (5) Special Low Dispersion (SLD) glass in a design of 15 elements in 11 groups. Hyper Sonic Motor (HSM) ensures quiet, high speed and accurate autofocusing. 

The combination of advanced optics and optimized lens power distribution minimizes spherical aberration, axial chromatic aberration and field curvature, producing outstanding image quality. With class leading performance, this lens is ideal for landscape photography, videography, astrophotography, lowlight/indoor photography and event photography. As with all Global Vision lines, the 20mm will be tested using the proprietary A1 measuring system ensuring the highest standard of operation. 

This lens includes (2) aspherical elements with a total of 15 elements in 11 groups. It offers a minimum focus distance (MOD) of 10.9" (27.6 cm) and a 9-bladed aperture. Filter size not included by manufacturer.


  • Wide angle for full frame or APS-C camera sensors
  • Exceptional optical performance ideal for ultra-high megapixel cameras
  • Features a 9-bladed aperture with rounded blades
  • Quiet, high-speed autofocus
  • Includes a large-diameter aspherical lens element
  • Minimized chromatic aberation and distortion
  • Mount with dust/splash-proof construction
  • Newly designed HSM with faster, yet smoother focusing

Like each and every Global Vision Lens, the Sigma 20mm 1.4 DG HSM Art is handcrafted at our single factory in Aizu, Japan and undergoes individual evaluation before leaving Sigma's facility.


At SIGMA's sole production site, the Aizu factory, they perform nearly all processes in-house, from parts and mold production to final lens assembly. Their artisans bring expertise and skill together in the pursuit of understanding optical performance. At the same time, their suite of leading-edge manufacturing technologies make possible ultra-efficient, precise volume production.

SIGMA offers a full lineup to satisfy professional film needs.

What's in the Box

  • Limited 1-Year Warranty (or 3-year extension)
  • Lens Case
  • Rear Lens Cap
  • Front Lens Cover
  • Sigma 20mm AF DG HSM Art Prime f/1.4 - Canon EF


Key Highlights

  • Wide angle for Full Frame
  • 20mm f/1.4 Prime
  • MOD: 10.9" (27.6 cm)
  • Minimal chromatic aberation
  • Canon EF Mount

Lens Characteristics

Prime or Zoom:
Lens Mount:
Max Aperture F-stop:
Lens Options:
Blade Count:
9 - rounded
Fixed Focal Length:
Max Dimensions (Diameter x Length):
3.6 x 5.1" (90.7 x 129.8mm)
Elements & Groups:
15 elements in 11 groups
Minimum Focus Distance:
10.9" (27.6 cm)
Max Angle of View:
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