Sigma 800mm F5.6 EX DG HSM is an Auto Focus (AF) Telephoto Prime lens with 35mm FF max sensor coverage and it is designed to be used with Canon EF mount lenses.
Lens Mount
Sigma 800mm F5.6 EX DG HSM is compatible with cameras that have Canon EF lens mount.
Sensor Coverage
Max sensor coverage of Sigma 800mm F5.6 EX DG HSM is 35mm FF.
Focal Range
Sigma 800mm F5.6 EX DG HSM has a fixed focal lenght of 800mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 800mm.
Aperture
Sigma 800mm F5.6 EX DG HSM has a max aperture of F5.6 and a minimum aperture of F32.0.