Pentax DA 16-85mm f/3.5-5.6 ED DC HD WR

Weight: 488 g
Brand: Pentax
Description: Mount: Mamiya 645, lens type: standard, focal length: variable, min. focal length: 55 mm, max. focal length: 110 mm, aperture F at min. focal length: 4.50, aperture F at max. focal length
Type: Lens
Functions: Focusing motor for Nikon F
Length: 94 mm
Diameter: 78 mm
Max. focal length: 85 mm
Min. focal length: 16 mm
Focal length: Variable
Lens type: Standard
Zoom ratio: 5.3x
Max viewing angle: 83 deg.min
Minimum focus distance: 0.35 m
Auto focus: There is
For non-full frame cameras only: Yes
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 72 mm
Aperture F at max. focal length: 5.6
Aperture F at min. focal length: 3.5
Minimum aperture F: 38
Number of aperture blades: 7
Security: Dustproof, waterproof
Minimum viewing angle: 19 degrees min
Number of aspherical elements: 3
Number of element groups: 12
Number of low dispersion elements: 1
Number of elements: 16