Canon 40mm f2.8 STM is an Auto Focus (AF) Standard Prime lens with 35mm FF max sensor coverage and it is designed to be used with Canon EF mount lenses.
Lens Mount
Canon 40mm f2.8 STM is compatible with cameras that have Canon EF lens mount.
Sensor Coverage
Max sensor coverage of Canon 40mm f2.8 STM is 35mm FF.
Focal Range
Canon 40mm f2.8 STM has a fixed focal lenght of 40mm. When mounted on a 35mm FF format camera, it provides an 50mm equivalent of 40mm.
Body Colour
Black
Aperture
Canon 40mm f2.8 STM has a max aperture of F2.8 and a minimum aperture of F22.0.