Binoculars fogging

Charles Phillips (hae0021@InfoNET.st-johns.nf.ca)
Thu, 4 Feb 1999 18:28:16 -0330 (NST)

Hi all,

How can I keep my binoculars from fogging up on cold nights? 
I know spitting on my diving mask works under water but I don't 
think this is a wise solution for precision optics. Somebody must
know some tricks for this.

Charlie
47 33 42 N
52 42 48 W