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  1. BlackRockArt

    Fixing Sony 140GM lens collar knob

    Hi y'all, I would like to share a little repair job. Two weeks ago I was in Yosemite National Park to take pictures of Firefall, in the middle of it, the 100-400mm G Master lens got stuck when I tried to rotate the lens collar ring. It just became so hard to turn, I thought I was going to break...
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