Pentax DA* 16-50mm lens

Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM
Maker Pentax
Lens mount(s) Pentax KAF2
Technical data
Type Zoom
Focus drive Ultrasonic
Focal length 16-50mm
Aperture (max/min) f/2.8
Close focus distance 0.30 metres (0.98 ft)
Max. magnification 0.21
Diaphragm blades 9
Construction 15 elements / 12 groups
Features
Manual focus override  Yes
Weather-sealing  Yes
Lens-based stabilization  No
Aperture ring  No
Physical
Diameter 84 millimetres (3.3 in)
Weight 565 grams (1.246 lb)
Filter diameter 77mm
History
Introduction 2007

The Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM is an advanced standard zoom lens for Pentax K-mount APS-C DSLR bodies, announced by Pentax on February 21, 2007.

References

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