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Showing posts with label DA50135. Show all posts
Showing posts with label DA50135. Show all posts

Wednesday, January 18, 2012

Pentax DA*50-135 2.8 Focusing speed screw drive

Pentax DA*50-135 2.8 Focusing speed screw drive Tube. Duration : 0.17 Mins.


To compare focusing speed between SDM & Screw drive

Tags: VID, 00007
Posted by at 4:50 PM 0 comments
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