Pentax SMC DA 50-135mm f/2.8 ED IF SDM

Weight: 685 g
Brand: Pentax
Description: Mount: Pentax KA/KAF/KAF2/KAF3, lens type: standard, focal length: variable, autofocus, for non-full frame cameras only, min. focal length: 50 mm, max. focal length: 135 mm,
Additional Information: Maximum magnification 0.17
Type: Lens
Functions: Focusing motor for Nikon F, ultrasonic motor, internal focusing
Length: 136 mm
Diameter: 76.5 mm
Max. focal length: 135 mm
Min. focal length: 50 mm
Focal length: Variable
Lens type: Standard
Zoom ratio: 2.7x
Max viewing angle: 31.5 deg.min
Minimum focus distance: 1m
Auto focus: There is
For non-full frame cameras only: Yes
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 67 mm
Aperture F at max. focal length: 2.8
Aperture F at min. focal length: 2.8
Minimum aperture F: 22
Number of aperture blades: 9
Minimum viewing angle: 11.9 deg.min
Number of element groups: 14
Number of elements: 18