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04-15-2015, 02:30 AM   #1
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Hi All

Hi all,

I'm newbiee here ... just want to expand my knowlegde in this forum ...
need your assistance...

thanks

04-15-2015, 02:52 AM   #2
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04-15-2015, 04:22 AM   #3
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Hello and welcome to the Forums. There is a wealth of knowledge here for the asking.
04-15-2015, 10:44 AM   #4
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QuoteOriginally posted by edwin372 Quote
just want to expand my knowledge in this forum ...
Welcome aboard, I hope we can help now after that expectation.

04-16-2015, 01:09 AM   #5
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I'm looking for some article mention that some old lens have a radiocative containt ?
any advice ?
04-16-2015, 02:34 AM   #6
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Aye in the older lenses it was something to do with the thorium glass used in the making of them, radiation levels are so minuscule it's worth worrying about.
04-16-2015, 07:29 AM   #7
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QuoteOriginally posted by edwin372 Quote
I'm looking for some article mention that some old lens have a radiocative containt ?
any advice ?
Welcome to the Forum!

Here is a thread on that subject:

https://www.pentaxforums.com/forums/10-pentax-slr-lens-discussion/119780-taku...dioactive.html
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