Sigma 20mm F1.8 EX DG RF is an Auto Focus (AF) Wideangle Prime
lens with 35mm FF max sensor coverage and it is designed to be used with Canon EF mount cameras.
Lenses in Canon EF Mount with Same Focal and Aperture Range
Sigma 20mm F1.8 EX DG RF is compatible with cameras that have Canon EF
lens mount. Some of the latest released cameras with Canon EF lens mount are Canon 1D X III
, Canon 6D MII
and Canon 5D MIV
Max sensor coverage of Sigma 20mm F1.8 EX DG RF is 35mm FF
Sigma 20mm F1.8 EX DG RF has a fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 32mm.
Optical Image Stabilization
Sigma 20mm F1.8 EX DG RF doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Sigma 20mm F1.8 EX DG RF is available in Black color.
Sigma 20mm F1.8 EX DG RF has a max aperture of F1.8 and a minimum aperture of F22.0.
Sigma 20mm F1.8 EX DG RF's optical formula consists of 13 elements in 11 groups.