With reference to undesign's suggestion
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With reference to undesign's suggestion
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With reference to undesign's suggestion, be very careful of some Tamron and Tokina lenses.
What?
If the condensation formed by breathing on the front element is acidic enough to erode the coating on today's lenses it could be an indication of a problem. You should probably consult a doctor.*edit* On the note of lenses' front elements, though, never, and I mean but never, blow with your mouth onto the lens to wipe things off. There's far more acid in your saliva/breath than you might think, and that stuff can gradually chew away at the coating on your lens that's in place to help reduce flaring. Get a simple blower to blow dust and other particles off the element when you want to clean it, and just use something like one of the lenstip pens if you need to get rid of smudges. Blow first, blow+lightly brush, once all dust is gone gently use the lens cleaning tool to get rid of smudges.
If the condensation formed by breathing on the front element is acidic enough to erode the coating on today's lenses it could be an indication of a problem. You should probably consult a doctor.
If the condensation formed by breathing on the front element is acidic enough to erode the coating on today's lenses it could be an indication of a problem. You should probably consult a doctor.