Lensbaby Composer Pro with Sweet 50mm Pentax K

Weight: 184.27 g
Brand: Lensbaby
Description: Mount: Pentax KA/KAF/KAF2/KAF3, lens type: standard, focal length: fixed, prime lens focal length: 50 mm, aperture F at min. focal length: 2.50, aperture F at max. focal length: 2.50
Type: Lens
Length: 50.8 mm
Diameter: 63.5 mm
Focal length: Permanent
Lens type: Standard
Minimum focus distance: 0.38 m
Focal length of prime lens: 50 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 46 mm
Aperture F at max. focal length: 2.5
Aperture F at min. focal length: 2.5
Number of aperture blades: 12
Number of element groups: 1
Number of elements: 2