Olympus ED 12-60mm 2.8-4.0 SWD

Weight: 575 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, ultrasonic motor, internal focusing
Length: 98.5 mm
Diameter: 79.5 mm
Max. focal length: 60 mm
Min. focal length: 12 mm
Focal length: Variable
Lens type: Wide angle
Zoom ratio: 5x
Max viewing angle: 84 degrees min
Minimum focus distance: 0.25 m
Auto focus: There is
Bayonet: 4/3
Filter thread diameter: 72 mm
Aperture F at max. focal length: 4
Aperture F at min. focal length: 2.8
Minimum aperture F: 22
Number of aperture blades: 7
Security: Dustproof, frost resistance, moisture protection
Minimum viewing angle: 20 degrees min
Number of aspherical elements: 3
Number of element groups: 10
Number of elements: 14