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Sigma 20mm F1.4 DG HSM Art

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Sigma 20mm F1.4 DG HSM Art
MakerSigma
Lens mount(s)Canon EF, Nikon F (FX), Sigma SA, Sony E
Technical data
TypePrime
Focus driveRing-type ultrasonic
Close focus distance0.30 metres (0.98 ft)
Max. magnification0.14
Diaphragm blades9
Construction15 elements in 11 groups
Features
Manual focus overrideYes Yes
Weather-sealingNo No
Lens-based stabilizationNo No
Aperture ringNo No
Physical
Max. length130 millimetres (5.1 in)
Diameter91 millimetres (3.6 in)
Weight950 grams (2.09 lb)
History
Introduction2015

The Sigma 20mm F1.4 DG HSM Art is an interchangeable wide angle lens announced by Sigma Corporation on October 16, 2015.

Much like the similar 24mm F1.4, it is designed for wide angle photography with shallow depth of field. At full aperture, it has similar focus depth to a 35mm at f/2.8.

References

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