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Fungus Or Separation?
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PostPosted: Sat Sep 19, 2015 12:06 am    Post subject: Fungus Or Separation? Reply with quote
Low resolution photo I know, but does this look like fungus or separation to you? Canon FL 58mm F1.2 lens. Thanks in advance for your opinions!



PostPosted: Sat Sep 19, 2015 2:50 am    Post subject: Reply with quote
From that angle its hard to tell what it is. I have a FL100/3.5 that is going through seperation.It started on the edge with a rainbow effect and is now a mark near the centre of the glass....still with the slight rainbow. I have seen plenty of lenses with dirty edges not so much fungus but a build up of dirt.


PostPosted: Sat Sep 19, 2015 9:42 am    Post subject: Reply with quote
Could be edges glue deterioration. This type is usually quite benevolent and does not proceed. Photo does look
like a scratch too though.


PostPosted: Sat Sep 19, 2015 6:19 pm    Post subject: Reply with quote
whatever it is I am thinking that it won't impact image quality. Would be grateful for thoughts from others, more experienced on this
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