Samyang 135mm T2.2 ED UMC VDSLR Pentax K

Weight: 825 g
Brand: Samyang
Description: Mount: Pentax KA/KAF/KAF2/KAF3, lens type: telephoto, focal length: fixed, prime lens focal length: 135 mm, aperture F at min. focal length: 2.20, aperture F at max. focal length: 2.20,
Type: Lens
Functions: Adapted for video
Length: 120.6 mm
Diameter: 82 mm
Focal length: Permanent
Lens type: Telephoto lens
Minimum focus distance: 0.8 m
Focal length of prime lens: 135 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 77 mm
Aperture F at max. focal length: 2.2
Aperture F at min. focal length: 2.2
Minimum aperture F: 22
Number of aperture blades: 9
Number of element groups: 7
Number of low dispersion elements: 1
Number of elements: 11