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Can someone help me out. I have a Sigma 105 macro which has both a Auto/manual switch but the focus ring will also push/pull between auto and manual. Do I have to engage both to move from to the other or can I push the focus ring for a quick manual tweak. If not What is the purpose of both activations.
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The idea behind the movable focus ring is so you can hold the lens while taking a photo without it whizzing round in your hand.
You should really disengage AF before you use MF so you don't damage the gears.
Gotcha. Of course. So obvious really.
retires red-faced and mumbling
Or as Homer Simpson would say - DOH!
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