Sigma
Camera Lenses
Sigma AF 28-70mm f/2.8 EX DG Pentax KA/KAF/KAF2
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Sigma AF 28-70mm f/2.8 EX DG Pentax KA/KAF/KAF2
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Number of votes: 0
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Workmanship
Relevant cost
Serviceability
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Technical specs and features
Main characteristics
Lens type: standard Zoom;
Focal length: 28 - 70 mm;
Aperture: F2.80 - F4;
Minimum aperture: F22;
Fastening: Pentax KA/KAF/KAF2;
Auto focus: yes;
Macro mode: yes;
Design
Number of elements / groups of elements: 11 / 8;
Number of aspherical elements: 1;
Number of aperture blades: 8;
Dimensions (D x L): 67.5 x 60 mm;
Weight: 245 g;
Shooting options
Viewing angle: 34.30 - 75.40 gad.min;
Minimum focusing distance: 0.5 m;
Additional information
Thread diameter for a filter: 58 mm;
Compatible camera: ideal for film and digital cameras;
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Product photography
Sigma AF 28-70mm f/2.8 EX DG Pentax KA/KAF/KAF2 pictures
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