Sigma 20mm F1.4 DG HSM Art

Announced Oct 16, 2015 •
Prime lens | Canon EF, Nikon F (FX), Sigma SA Bayonet
Principal specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 20 mm
Image stabilization No
Lens mount Canon EF, Nikon F (FX), Sigma SA Bayonet
Aperture
Maximum aperture F1.4
Minimum aperture F16
Aperture ring No
Number of diaphragm blades 9
Aperture notes Rounded blades
Optics
Elements 15
Groups 11
Special elements / coatings Two FLD, five SLD elements + Super Multi-Layer coating
Focus
Minimum focus 0.30 m (11.81)
Maximum magnification 0.14×
Autofocus Yes
Motor type Ring-type ultrasonic
Full time manual Yes
Focus method Internal
Distance scale Yes
DoF scale No
Physical
Weight 950 g (2.09 lb)
Diameter 91 mm (3.57)
Length 130 mm (5.11)
Sealing No
Colour Black
Hood supplied Yes
Tripod collar No
Other
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