Sigma AF 180mm f/3.5 EX IF HSM APO MACRO Pentax KA/KAF/KAF2

Weight: 965 g
Brand: Sigma
Description: Bayonet mount: Pentax KA/KAF/KAF2/KAF3, lens type: macro lens, focal length: fixed, autofocus, prime lens focal length: 180 mm, aperture F at min. focal length: 3.50, functions: focus
Additional Information: Hood type LH780_02
Type: Lens
Functions: Focusing motor for Nikon F, macro mode, internal focusing
Length: 182 mm
Diameter: 80 mm
Focal length: Permanent
Lens type: Macro lens
Minimum focus distance: 0.46 m
Auto focus: There is
Focal length of prime lens: 180 mm
Bayonet: Pentax KA/KAF/KAF2/KAF3
Filter thread diameter: 72 mm
Aperture F at min. focal length: 3.5
Minimum aperture F: 32
Number of aperture blades: 9
Minimum viewing angle: 13.42 deg.min
Zoom in macro mode: 1
Number of element groups: 10
Number of low dispersion elements: 2
Number of elements: 13