Pentax SMC DA 10-17mm f/3.5-4.5 ED IF Fish Eye

Weight: 320 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
Additional Information: Maximum magnification 0.39, the presence of elements with extra low dispersion
Type: Lens
Functions: Focusing motor for Nikon F, macro mode, internal focusing
Length: 75 mm
Diameter: 68 mm
Max. focal length: 17 mm
Min. focal length: 10 mm
Focal length: Variable
Lens type: Ultra wide angle fisheye
Zoom ratio: 1.7x
Max viewing angle: 180 deg.min
Minimum focus distance: 0.14 m
Auto focus: There is
For non-full frame cameras only: Yes
Bayonet: Pentax KA/KAF/KAF2/KAF3
Aperture F at max. focal length: 4.5
Aperture F at min. focal length: 3.5
Minimum aperture F: 32
Number of aperture blades: 6
Minimum viewing angle: 100 deg.min
Number of element groups: 8
Number of elements: 10