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Pentax DA* 50-135mm lens

From Wikipedia, the free encyclopedia
Pentax smc DA* 50-135mm F2.8 ED (IF) SDM
MakerPentax
Lens mount(s)Pentax K
Technical data
TypeZoom
Focus driveUltrasonic
Focal length50-135mm
Aperture (max/min)f/2.8
Close focus distance1.00 metre (3.28 ft)
Max. magnification0.17
Diaphragm blades9
Construction18 elements in 14 groups
Features
Manual focus overrideYes Yes
Weather-sealingYes Yes
Lens-based stabilizationNo No
Aperture ringNo No
Physical
Diameter77 millimetres (3.0 in)
Weight685 grams (1.510 lb)
Filter diameter67mm
History
Introduction2007

The Pentax smc DA* 50-135mm F2.8 ED (IF) SDM is an interchangeable camera lens announced by Pentax on February 21, 2007.[1]

References

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  1. ^ "Pentax smc DA* 50-135mm F2.8 ED (IF) SDM: Digital Photography Review". www.dpreview.com.
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