Samyang 14mm T3.1 ED AS IF UMC VDSLR Pentax K

Weight: 595 g
Brand: Samyang
Description: Mount: Pentax KA/KAF/KAF2/KAF3, lens type: wide-angle, focal length: fixed, prime lens focal length: 14 mm, aperture F at min. focal length: 3.10, aperture F at max. focal length: 3.1
Type: Lens
Functions: Adapted for video shooting, internal focusing
Length: 94.6 mm
Diameter: 87 mm
Focal length: Permanent
Lens type: Wide angle
Minimum focus distance: 0.28 m
Focal length of prime lens: 14 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Aperture F at max. focal length: 3.1
Aperture F at min. focal length: 3.1
Minimum aperture F: 22
Number of aperture blades: 3
Number of aspherical elements: 2
Number of element groups: 10
Number of low dispersion elements: 2
Number of elements: 14