Pentax SMC D FA Macro 50mm f/2.8

Weight: 265 g
Brand: Pentax
Description: Mount: Pentax KA/KAF/KAF2/KAF3, lens type: macro lens, focal length: fixed, prime lens focal length: 50 mm, aperture F at min. focal length: 2.80, functions: macro mode
Type: Lens
Functions: Macro mode
Length: 60 mm
Diameter: 67.5mm
Focal length: Permanent
Lens type: Macro lens
Max viewing angle: 47 degrees min
Focal length of prime lens: 50 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 49 mm
Aperture F at min. focal length: 2.8
Minimum aperture F: 32
Number of aperture blades: 8
Zoom in macro mode: 1
Minimum focusing distance in macro mode: 0.195 m
Number of element groups: 7
Number of elements: 8