Is this fungus?

Started Dec 1, 2012 | Discussions thread
Simao
Regular MemberPosts: 148Gear list
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Re: Is this fungus?
In reply to Pygmy, Dec 1, 2012

To my understanding this doesn't look like fungus, I have had a similar CZ with similar problem. I think this is a result of one of the design problems that the CZ16-80 suffer from.
This lens along with some Minolta lenses have a front group design in which the sides of the two elements are glued together with a casing leaving an airspace between them. Because the front element can sometimes get loose in that casing the air with moisture and very little dust can get inside and cause this problem.
Whether it is fungus or not I think that cleaning it is a really hard job to do and would need a real professional.

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