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04-23-2011, 06:37 AM   #1
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Three spots in glas - what is that?

It actually doesn't look like a fungus?

What do you think? Any comments are welcome.

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04-23-2011, 07:59 AM   #2
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They kind of look like spots that you would get from lights but that doesn't seem likely. I would guess perhaps water spots. Either that or it's the Bermuda triangle in which case you have a huge black hole.
04-23-2011, 08:50 AM   #3
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I think it is spit. Could someone have opened up your lens and spit in there?

Seriously, I don't know. Did all three dots appear at once? was it sudden? It actually does look like the beginning of fungus to me.
04-23-2011, 09:08 AM   #4
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They remind me of colonies of yeast growing on an agarose plate.

04-23-2011, 09:34 AM   #5
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it's between the front glass and the second element.
04-23-2011, 10:25 AM   #6
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I am guessing the "cementing" compound between glass elements start to develop bulbs either due to temperature or age. I have seen old Russian or even Japanese lenses from 60's or 70'd did that due to poor manufacturing practices.
04-23-2011, 10:28 AM   #7
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if so - how to remove? Open and clean by hand?
04-23-2011, 07:56 PM   #8
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Can you "see through" the spots or not? If it is transparent (air bubble separating), it shouldn't affect your image much unless you are using small aperture (i.e. center part of the lens). If it is translucent (reacting contaminant in the cementing compound), the Tech told me once the only way is to replace the affected elements. Good luck.

04-24-2011, 04:41 PM   #9
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looks like someone might had measurebated on it.
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