Sigma AF 120-300mm f/2.8 APO EX DG IF HSM Pentax KA/KAF/KAF2

Weight: 2600 g
Brand: Sigma
Description: Mount: Pentax KA/KAF/KAF2/KAF3, lens type: telephoto, focal length: variable, autofocus, min. focal length: 120 mm, max. focal length: 300 mm, aperture F at min. focal length:
Type: Lens
Functions: Focusing motor for Nikon F, ultrasonic motor, macro mode, internal focusing
Length: 271 mm
Diameter: 112.8 mm
Max. focal length: 300 mm
Min. focal length: 120 mm
Focal length: Variable
Lens type: Telephoto lens
Zoom ratio: 2.5x
Max viewing angle: 20.4 deg.min
Minimum focus distance: 1.5 m
Auto focus: There is
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 105 mm
Aperture F at max. focal length: 2.8
Aperture F at min. focal length: 2.8
Minimum aperture F: 32
Number of aperture blades: 9
Minimum viewing angle: 82 deg.min
Minimum focusing distance in macro mode: 2.5 m
Number of element groups: 16
Number of low dispersion elements: 4
Number of elements: 18