Lens Specifications
Name Sigma 135mm ƒ/1.8 DG HSM Art
Image Circle 35mm
Type Telephoto Prime
Focal Length 135mm
APS Equivalent 1.5x: 202.5mm; 1.6x: 216mm
Max Aperture ƒ/1.8
Min Aperture ƒ/16
Diaphragm Blades 9 (rounded)
Lens Construction 13 elements in 10 groups
Diagonal Angle of View(Based on image circle) 18.2 degrees
Focus Details Internal with HSM (Hypersonic Motor) with limiter and full-time manual override
Front Element Rotation No
Zoom System n/a
Closest Focus 87.5cm / 34.4 in.
Magnification Ratio 0.2x / 1:5
Filter Size 82mm
Dimensions(Length x Diameter) 114.9mm x 91.4mm / 4.5 in. x 4.0 in.
Weight 1130g / 40.2 oz
Notes Available AF Mounts: Sigma SA, Canon EF, Nikon F; Mount with dust- and splash-proof construction; Compatible with Mount Converter MC-11
Typical Online Price US$1,400 (Available May 2017)