Sigma 20mm f1.4 DG HSM ART
World's first 20mm F1.4 lens—thanks to advanced large-diameter aspherical lens manufacturing technologies .
Array
Description
Lens Construction 15 Elements in 11 Groups
Angle of View (for SD1) 94.5 degrees
Number of Diaphragm Blades 9 Blades (Rounded diaphragm)
Minimum Aperture F16
Minimum Focusing Distance 27.6cm / 10.9in.
Maximum Magnification 1:7.1
Filter Size Diameter 77mm
Dimensions Diameter 90.7mm x 129.8mm / 3.6in. x 5.1in.
Weight 950g / 33.5oz.