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Sigma AF 20-40mm f/2.8 EX DG ASPHERICAL Pentax KA/KAF/KAF2

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Sigma AF 20-40mm f/2.8 EX DG ASPHERICAL Pentax KA/KAF/KAF2 Rating: 0
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Technical specs and features

Main characteristics
Lens type: wide angle Zoom;
Focal length: 20 - 40 mm;
Aperture: F2.80;
Minimum aperture: F22;
Fastening: Pentax KA/KAF/KAF2;
Auto focus: yes;
Design
Number of elements / groups of elements: 17 / 13;
Number of aspherical elements: 2;
Number of aperture blades: 9;
Dimensions (D x L): 89 x 107.8 mm;
Weight: 595 g;
Shooting options
Viewing angle: 56.80 - 94.50 gad.min;
Minimum focusing distance: 0.3 m;
Additional information
Thread diameter for a filter: 82 mm;
Compatible camera: ideal for film and digital cameras;
 
 
 
 
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Sigma AF 20-40mm f/2.8 EX DG ASPHERICAL Pentax KA/KAF/KAF2 pictures
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