Pentax SMC DA* 300mm f/4.0 ED IF SDM

Weight: 1070 g
Brand: Pentax
Description: Bayonet mount: Pentax KA/KAF/KAF2/KAF3, lens type: telephoto, focal length: fixed, auto focus, for sub-frame cameras only, prime lens focal length: 300 mm, aperture F at min.
Additional Information: Includes 77mm PH-RBK lens hood, S120-210 lens soft case, O-LC77 77mm lens cap, Rear lens cap
Type: Lens
Functions: Focusing motor for Nikon F, ultrasonic motor, internal focusing
Length: 184 mm
Diameter: 83 mm
Focal length: Permanent
Lens type: Telephoto lens
Max viewing angle: 5.4 deg.min
Minimum focus distance: 1.4 m
Auto focus: There is
For non-full frame cameras only: Yes
Focal length of prime lens: 300 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 77 mm
Aperture F at min. focal length: 4
Minimum aperture F: 32
Number of aperture blades: 9
Number of element groups: 6
Number of elements: 8