Olympus ED 75mm f/1.8

Weight: 304 g
Brand: Olympus
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, internal focusing
Length: 69.5 mm
Diameter: 63.5 mm
Focal length: Permanent
Lens type: Standard
Minimum focus distance: 0.84 m
Auto focus: There is
Focal length of prime lens: 75 mm
Bayonet: Micro 4/3
Filter thread diameter: 58 mm
Aperture F at max. focal length: 1.8
Aperture F at min. focal length: 1.8
Minimum aperture F: 22
Number of aperture blades: 9
Number of element groups: 9
Number of low dispersion elements: 3
Number of elements: 10