Pentax SMC FA 645 300mm f/4.0 ED IF

Weight: 1490
Brand: Pentax
Description: Mount: Pentax 645, lens type: telephoto, focal length: fixed, autofocus, prime lens focal length: 300 mm, aperture F at min. focal length: 4, aperture F at max. focu
Type: Lens
Functions: Focusing motor for Nikon F, internal focusing
Length: 207.5 mm
Diameter: 83 mm
Focal length: Permanent
Lens type: Telephoto lens
Minimum focus distance: 3m
Auto focus: There is
Focal length of prime lens: 300 mm
Bayonet: Pentax 645
Filter thread diameter: 77 mm
Aperture F at max. focal length: 4
Aperture F at min. focal length: 4
Minimum aperture F: 32
Number of element groups: 8
Number of elements: 8