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Old 12-03-2012, 08:58 PM
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bojan is offline
Join Date: Jul 2006
Location: Mt Waverley, VIC
Posts: 6,412
Originally Posted by Martin Pugh View Post
One question I have though - if I gently rock the lens, I can hear the lens elements moving about slightly - is this normal?

If you hear something when shaking lens, more likely it's something else (focus mechanism or iris), not the glass.
However, if it is the glass, you have to tighten the relevant retaining rings that is supposed to hold the (movable) element in place
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