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10-05-2013, 07:04 AM   #1
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Blocked diafragm on F 35-70mm macro

I have recently purchased this lens on *bay: first time I got betrayed - the diafragm is always full open, no way to unblock it.
I already opened the front lens, but there I stopped exploring. Is there a way to disassemble and maybe fix it?

Thanks in advance for any hint.


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