Sigma 20mm f/2 DG DN Contemporary

Lens Reviews / Sigma Lenses i Not yet tested
Lens Specifications
Name Sigma 20mm f/2 DG DN Contemporary
Image Circle 35mm
Type Wide Prime
Focal Length 20mm
APS Equivalent 1.5x: 30mm
Max Aperture f/2
Min Aperture f/22
Diaphragm Blades 9 (rounded)
Lens Construction 13 elements in 11 groups, with 1 FLD, 1 SLD and 3 aspherical lens elements
Diagonal Angle of View(Based on image circle) 94.5 degrees
Focus Details Smooth, quiet and high-speed AF via stepping motor
Front Element Rotation No
Zoom System n/a
Closest Focus 22cm / 8.7in
Magnification Ratio 1:6.7
Filter Size 62mm
Dimensions(Length x Diameter) 72.4mm x 70mm / 2.9 in. x 2.8 in.
Weight 370g / 13.1 oz.
Notes Available AF Mounts: L-Mount, Sony E-Mount
Typical Online Price US$699.99