Sigma 28mm f/1.4 DG HSM Art

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Lens Specifications
Name Sigma 28mm f/1.4 DG HSM Art
Image Circle 35mm
Type Wide Prime
Focal Length 28mm
APS Equivalent 1.5x: 42mm; 1.6x: 44.8mm
Max Aperture f/1.4
Min Aperture f/16
Diaphragm Blades 9 (rounded)
Lens Construction 17 elements in 12 groups, including 2 FLD, 3 SLD and 3 aspherical elements
Diagonal Angle of View(Based on image circle) 75.4 degrees
Focus Details HSM (Hypersonic Motor) with full-time manual focus override
Front Element Rotation No
Zoom System n/a
Closest Focus 28cm / 11.0 in.
Magnification Ratio 0.19x / 1:5.4
Filter Size 77mm
Dimensions(Length x Diameter) 107.7mm x 82.8mm / 4.2 in. x 3.3 in.
Weight 865g / 30.5 oz
Notes Available AF Mounts: Canon EF, L-Mount, Nikon F, Sigma SA and Sony E; Compatible with Sigma's USB Dock and Mount Conversion Service
Typical Online Price US$1,399