Sigma AF 100-300mm f/4 EX IF APO DG HSM Pentax KA/KAF/KAF2

Weight: 1440
Brand: Sigma
Description: Mount: Pentax KA/KAF/KAF2/KAF3, lens type: telephoto, focal length: variable, autofocus, min. focal length: 100 mm, max. focal length: 300 mm, aperture F at min. focal length:
Additional Information: Can be used with EX series teleconverters
Type: Lens
Functions: Focusing motor for Nikon F, ultrasonic motor, macro mode, internal focusing
Length: 226.5 mm
Diameter: 92.4 mm
Max. focal length: 300 mm
Min. focal length: 100 mm
Focal length: Variable
Lens type: Telephoto lens
Zoom ratio: 3x
Max viewing angle: 24.4 deg.min
Minimum focus distance: 1.8 m
Auto focus: There is
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 82 mm
Aperture F at max. focal length: 4
Aperture F at min. focal length: 4
Minimum aperture F: 32
Number of aperture blades: 9
Minimum viewing angle: 82 deg.min
Number of element groups: 14
Number of low dispersion elements: 4
Number of elements: 16