Do you ever clean the front element of your lens by fogging it up with your breath and then wiping it off with a cloth? If so, you might want to stop — Nikon says the practice could be damaging to your glass. Apparently human breath contains stuff that isn’t too friendly toward camera lenses.
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Ross Technology Corp. has developed an amazing silicon-based spray-on coating called NeverWet that can make almost anything completely waterproof. An iPhone sprayed with NeverWet still functions perfectly after being submerged underwater for half an hour. Spraying the coating on clothes causes liquids (e.g. water, oil, chocolate syrup) to slide right off.
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