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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 in 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

• Pentax smc DA 17-70mm F4.0 AL (IF) SDM Specs

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