portocar Posted March 18, 2007 Share #1 Â Posted March 18, 2007 Advertisement (gone after registration) This morning I picked up my M8 to go shoot. It has the 28mm Summicron ASPH attached -This lens is usually buttery smooth when focusing. Â Unfortunately, is was very tight this morning and hard to focus. It took a few minutes of moving it from near focus to infinity before it returned to its usual smooth turning. Â Has anyone ever experienced these symptoms? Is there any reason I should be concerned? Â Thanks Link to post Share on other sites More sharing options...
marknorton Posted March 18, 2007 Share #2 Â Posted March 18, 2007 Are you careful to put a lens cap on the back of the lens when it is detached from the camera? It's possible some grit got into the helicoids... Link to post Share on other sites More sharing options...
portocar Posted March 18, 2007 Author Share #3 Â Posted March 18, 2007 Very careful, I don't think that's it... Â Thanks though. Link to post Share on other sites More sharing options...
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