Quote:
Originally Posted by casstony
I have read that exposing the objective to direct sunlight is good for killing fungus spores so I've started giving the scopes an occasional sun-bathe, being careful to keep the scope on an angle to avoid focused light.
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Definitely keep the lenses at an angle and watch the sun moving. I had to turf a pair of 20x80 binos cos the focused light melted plastic and rubber elements around the eyepieces and apart from melting the plastic and rubber the smoke created coated the optics and ruined them