Sigma AF 24-135mm f/2.8-4.5 ASPHERICAL IF Pentax KA/KAF/KAF2

Weight: 530 g
Brand: Sigma
Description: Mount: Pentax KA/KAF/KAF2/KAF3, lens type: standard, focal length: variable, autofocus, min. focal length: 24mm, max. focal length: 135 mm, aperture F at min. focal length: 2.
Type: Lens
Functions: Focusing motor for Nikon F, macro mode, internal focusing
Length: 90.9 mm
Diameter: 836 mm
Max. focal length: 135 mm
Min. focal length: 24 mm
Focal length: Variable
Lens type: Standard
Zoom ratio: 5.6x
Max viewing angle: 84.1 deg.min
Minimum focus distance: 0.5 m
Auto focus: There is
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 77 mm
Aperture F at max. focal length: 4.5
Aperture F at min. focal length: 2.8
Minimum aperture F: 32
Number of aperture blades: 9
Minimum viewing angle: 18.2 deg.min
Number of aspherical elements: 2
Number of element groups: 15
Number of low dispersion elements: 1
Number of elements: 16