Voigtlaender 90mm f/3.5 APO SLII Lanthar Pentax K

Weight: 320 g
Brand: Voigtlaender
Description: Mount: Pentax KA/KAF/KAF2/KAF3, lens type: telephoto, focal length: fixed, prime lens focal length: 90 mm, aperture F at min. focal length: 3.50, aperture F at max. focal length: 3.50
Type: Lens
Length: 48.2 mm
Diameter: 63 mm
Focal length: Permanent
Lens type: Telephoto lens
Focal length of prime lens: 90 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 52 mm
Aperture F at max. focal length: 3.5
Aperture F at min. focal length: 3.5
Minimum aperture F: 22
Number of aperture blades: 9
Number of element groups: 5
Number of elements: 7