Pentax DA 17-70mm lens

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.

Pentax smc DA 17-70mm F4.0 AL (IF) SDM
MakerPentax
Lens mount(s)Pentax KAF3
Technical data
TypeZoom
Focus driveUltrasonic
Focal length17-70mm
Aperture (max/min)f/4.0
Close focus distance0.28 metres (0.92 ft)
Max. magnification0.31
Diaphragm blades7
Construction17 elements in 12 groups
Features
Manual focus overrideYes Yes
Weather-sealingNo No
Lens-based stabilizationNo No
Aperture ringNo No
Physical
Diameter75 millimetres (3.0 in)
Weight485 grams (1.069 lb)
Filter diameter67mm
History
Introduction2008

References

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