Pentax DA* 50-135mm lens

Pentax smc DA* 50-135mm F2.8 ED (IF) SDM
Maker Pentax
Lens mount(s) Pentax K
Technical data
Type Zoom
Focus drive Ultrasonic
Focal length 50-135mm
Aperture (max/min) f/2.8
Close focus distance 1.00 metre (3.28 ft)
Max. magnification 0.17
Diaphragm blades 9
Construction 18 elements / 14 groups
Features
Manual focus override  Yes
Weather-sealing  Yes
Lens-based stabilization  No
Aperture ring  No
Physical
Diameter 77 millimetres (3.0 in)
Weight 685 grams (1.510 lb)
Filter diameter 67mm
History
Introduction 2007

The Pentax smc DA* 50-135mm F2.8 ED (IF) SDM is an interchangeable camera lens announced by Pentax on February 21, 2007.

References

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