Olympus ED 40-150mm f/4.0-5.6 R Micro 4/3

Weight: 190 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: 83 mm
Diameter: 63.5 mm
Max. focal length: 150 mm
Min. focal length: 40 mm
Focal length: Variable
Lens type: Telephoto lens
Zoom ratio: 3.8x
Max viewing angle: 30 degrees min
Minimum focus distance: 0.9 m
Auto focus: There is
Bayonet: Micro 4/3
Filter thread diameter: 58 mm
Aperture F at max. focal length: 5.6
Aperture F at min. focal length: 4
Minimum aperture F: 22
Number of aperture blades: 7
Minimum viewing angle: 82 deg.min
Number of element groups: 10
Number of low dispersion elements: 1
Number of elements: 13