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06-06-2013, 03:04 AM   #1
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Pentax smc-M 50/1.4 focusing ring

I'm writing here hoping someone could advise me on a small problem I'm having with my 50/1.4 M. The rubber on the focus ring has become quite a bit loose and i can now easily take it off the lens. I can still focus reasonably well, but I'm afraid the situation might get worse. Is there anything I can do to fix this issue, maybe stick it back on the lens or something ? I would be grateful if anyone could suggest me an easy fix since the closest option for repair is in the UK (I'm in Romania) and would probably go for around 70 $.
I thank you in advance for your feedback
Have a nice day

06-06-2013, 03:54 AM   #2
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06-06-2013, 04:31 AM - 1 Like   #3
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Just use some rubber glue to stick it back on or use some thin, double-sided tape. No need to spend $70.
06-07-2013, 08:09 PM - 1 Like   #4
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Pliobond is what a camera tech would use, though you might also look at picking up a donor lens for the part. Why it is doing this is a bit of a mystery. It may be that the rubber was exposed at some time to a solvent, furniture polish, or something like Armor All in an attempt to enhance the lens appearance.

06-09-2013, 01:04 AM   #5
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Thank you for your answers. As far as I can see, it would seem that the rubber never was glued to the ring but rather fitted into place, as time went by it became more loose. It's still a very usable focus ring though...

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