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Forum: Photographic Equipment for Sale
07-08-2016, 06:54 AM
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I am fairly certain yours is failing. Mine did the same thing and I kept using it. Then one day, it wouldn't focus at all and the manual focus got stuck. I freaked out since I was on a shoot and Couldn't make it work. So, I went home and used an old camera to spin the screw drive. Once that spun the manual focus started working again and SDM started to work, but not quite as quickly as before.
I since converted to screw drive an it works much much better. I suggest you let UncleVanya fix this up for you.
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