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 cameras.
Lens Mount
Canon 40mm f2.8 STM 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.
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 it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 64mm.
Optical Image Stabilization
Canon 40mm f2.8 STM 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).
Body Colour
Canon 40mm f2.8 STM is available in Black color.
Maximum Magnification Ratio
Canon 40mm f2.8 STM has a Max Magnification Ratio of
0.18x and has a minimum focusing distance of
0.3m.
Aperture
Canon 40mm f2.8 STM has a max aperture of F2.8 and a minimum aperture of F22.0.
Optical Formula
Canon 40mm f2.8 STM's optical formula consists of 6 elements in 4 groups.