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Sigma 20mm f1.4 DG HSM Art for Canon EF


A fast wide-angle prime lens for Canon cameras that boasts an impressively robust construction and delivers exceptional optical performance.

Hypersonic AF Motor | 15 elements in 11 groups

Canon EF 20mm f/1.4
Lens Mount Focal Length Lens Aperture

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The Sigma 20mm f/1.4 DG HSM Art lens for full-frame format Canon EF mount DSLRs is a member of the renowned line of Sigma Global Vision lenses. This lens boasts exceptional durability, a sleek design and outstanding optical performance. Notable features include two "F" Low Dispersion (FLD) elements, five Special Low Dispersion (SLD) elements, and two aspherical elements which all work together to lower chromatic and spherical aberrations and deliver the sharpest, crispest and most consistently illuminated images possible. A Super Multi-Layer Coating further works to significantly reduce flare and ghosting for enhanced contrast and exceptional colour reproductions. The ideal lens for landscape, interior, astro- and architectural photography, the Sigma 20mm f/1.4 DG HSM Art lens promises fast, smooth and quiet performance thanks to the Hyper AF Sonic Motor.


• Aperture range: f/1.4 to f/16
• 2 FLD Elements
• 5 SLD Elements
• 2 Aspherical Elements
• Super Multi-Layer Coating
• Hypersonic AF Motor
• Built-in Petal-Shaped Lens Hood

Product Brand Sigma
SKU 412954
Focal Length 20mm
Lens Mount Canon EF
Lens Aperture f/1.4
Diaphragm Blades 9, Rounded
Lens Coatings Super Multi-Layer Coating
Lens Element Types Two FLD Elements and Five SLD Elements
Two Aspherical Elements
Lens Elements / Groups 15/11
Angle of View 84.1°
Lens Magnification 1:5.3
Lens Focus Options Full-Time Manual Focus Override
Autofocus system HSM (Hypersonic Motor)
Minimum Focus Distance 27.69 cm
Image Stabilization No
Environmental Sealing No
External Dimensions 90.7 x 129.8 mm
Weight 950 g
Sigma 20mm f/1.4 DG HSM Art Lens for Canon EF
Cover Lens Cap
Rear Cap
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