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Originally Posted by rogerg
I don't understand how these kind of things don't get dewed up in 5 minutes? I haven't ever used one but just recently acquired a Telrad so I'm sure I'll find out soon, but I just don't get it - glass fully exposed to the sky? I'm surprised none of them seem to have addressed that problem. 
Roger. |
Roger - did you get the dew shield? I must say, however, that it doesn't do much. On a really dewey night the Telrad still fogs up quickly.