Pentax DA 17-70mm lens

Pentax smc DA 17-70mm F4.0 AL (IF) SDM
Maker Pentax
Lens mount(s) Pentax KAF3
Technical data
Type Zoom
Focus drive Ultrasonic
Focal length 17-70mm
Aperture (max/min) f/4.0
Close focus distance 0.28 metres (0.92 ft)
Max. magnification 0.31
Diaphragm blades 7
Construction 17 elements / 12 groups
Features
Manual focus override  Yes
Weather-sealing  No
Lens-based stabilization  No
Aperture ring  No
Physical
Diameter 75 millimetres (3.0 in)
Weight 485 grams (1.069 lb)
Filter diameter 67mm
History
Introduction 2008

The Pentax smc DA 17-70mm F4.0 AL (IF) SDM is a constant maximum aperture standard zoom lens announced by Pentax on June 3, 2008.

References

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