Canon 50mm f2.5 Macro is an Auto Focus (AF)
Macro Prime lens with 35mm FF max sensor coverage and it is designed to be used with Canon EF mount cameras.
Lens Mount
Canon 50mm f2.5 Macro 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 50mm f2.5 Macro is 35mm FF.
Focal Range
Canon 50mm f2.5 Macro has a fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 80mm.
Optical Image Stabilization
Canon 50mm f2.5 Macro 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 50mm f2.5 Macro is available in Black color.
Aperture
Canon 50mm f2.5 Macro has a max aperture of F2.5 and a minimum aperture of F32.0.
Optical Formula
Canon 50mm f2.5 Macro's optical formula consists of 9 elements in 8 groups.