Canon EF 50mm f/2.5 Compact Macro

Weight: 280 g
Brand: Canon
Description: Mount: Mamiya 645, lens type: standard, focal length: variable, min. focal length: 55 mm, max. focal length: 110 mm, aperture F at min. focal length: 4.50, aperture F at max. focal length
Type: Lens
Functions: Focusing motor for Nikon F, macro mode
Length: 63 mm
Diameter: 67.6 mm
Focal length: Permanent
Lens type: Macro lens
Max viewing angle: 46 degrees min
Minimum focus distance: 0.23 m
Auto focus: There is
Focal length of prime lens: 50 mm
Bayonet: Canon EF
Filter thread diameter: 52 mm
Aperture F at min. focal length: 2.5
Minimum aperture F: 32
Number of aperture blades: 6
Number of element groups: 8
Number of elements: 9