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Classic Camera Repair » Maintenance & Repair » Tamron 80-210mm F/3.8-4 adaptall-2 fungus cleanup « Previous Next »

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Zanxion72
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Username: Zanxion72

Post Number: 32
Registered: 12-2012

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Posted on Tuesday, May 21, 2013 - 12:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I have recently discovered that my Tamron 80-210mm F/3.8-4 Model 03A lens that had been stored in a cartoon box for a long time is full of fungus. I know that nowadays it is a cheap one to get, but I'd like to try cleaning it up myself.
Is it hard, does anybody have any experience on this? Is there a guide on how to do it?
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Cooltouch
Tinkerer
Username: Cooltouch

Post Number: 265
Registered: 01-2009

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Posted on Friday, May 31, 2013 - 02:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I have the same lens and it has the same problem. I tried dismantling it to get to the fungus, but ended up giving up. Approaching from the front, you undo one retaining ring, which removes a thin front element, exposing another retaining ring. I couldn't get this second retaining ring loose. My lens spanner wasn't rigid enough. So if you try to dismantle it, make sure you have a stout lens spanner, because you'll probably need it to get all the way in.

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