"cloudly" lens... is that fungus ?


Pimps

Link Posted 09/07/2010 - 11:10
i found a man who is selling his precious lens... he says the lens is "cloudly", so i think it's full of fungus...
Is there a pemanent solution to defeat this problem ?
Can fungus damage the mechanical system of a lens ?
Few lenses

MattMatic

Link Posted 09/07/2010 - 11:19
It depends what lens. For example, the Pentax SMC-FA 28-70 f/4 suffered from 'cloudy' elements - where the glue that holds the rear two elements together went really milky and horrible. I have had two of these, and others have had the same - and it's non-reversible. The best you can do is scrape the deposit off the element to make it less cloudy (but it's still pretty 'yuck')

A picture of the cloudiness would definitely help
Matt
http://www.mattmatic.co.uk
(For gallery, tips and links)

Pimps

Link Posted 09/07/2010 - 11:23
The lens is a "new" kind of lenses.
it's a wide-angle tamron autofocus...
i still don't have photos of the elements, cause it's an object sold in a "on-line" auction ( not ebay ).
Is it better if i get some photos before ?
The price is still low anyway... 50 ( the brand new lens is like 450 )
Few lenses

MattMatic

Link Posted 09/07/2010 - 13:47
Sounds odd to me!
Personally, I'd request some images before considering going further
Might be a case of "If it's too good to be true, then it probably is!"
Matt
http://www.mattmatic.co.uk
(For gallery, tips and links)
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