Pentax HD DA 55-300mm f/4-5.8 ED WR

Weight: 466 g
Brand: Pentax
Description: Bayonet mount: Pentax KA/KAF/KAF2/KAF3, lens type: telephoto, focal length: variable, auto focus, for non-full frame cameras only, min. focal length: 55 mm, max. focal length: 300 mm
Additional Information: Waterproof
Type: Lens
Functions: Focusing motor for Nikon F
Length: 111.5 mm
Diameter: 72 mm
Max. focal length: 300 mm
Min. focal length: 55 mm
Focal length: Variable
Lens type: Telephoto lens
Zoom ratio: 5.5x
Max viewing angle: 29 degrees min
Minimum focus distance: 1.4 m
Auto focus: There is
For non-full frame cameras only: Yes
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 58 mm
Aperture F at max. focal length: 5.8
Aperture F at min. focal length: 4
Minimum aperture F: 32
Number of aperture blades: 6
Minimum viewing angle: 5.4 deg.min
Number of element groups: 8
Number of low dispersion elements: 2
Number of elements: 12