Hi guys,
I was cleaning some of my lenses and found quite a lot of small spots
(distributed evenly) in the elements. I couldn't figure if they were dust
or coating deterioration due to low humidity. Any one have this experience?
Oh, I don't think it's fungus as I've been storing them in a dry box with
humidity at around 30 to 40% relative humidity.
The lenses that have this problem are:
28-70 f2.8L
24 f2.8
and the Hassy 80 f2.8 C.
Strangely, I didn't see this happened on other lenses...
Thanks and regards,
Gary
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