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Dob + Dewshield?
Hey all!
I'm contemplating knocking up a dew shield for my 10" dob. I have a dew heater for the secondary mirror and I'm thinking this will help retain the slightly warmer air around the front of the scope and discourage any dew formation inside the tube?
The materials I'm using are freebies from work - no real cost involved.
Overkill or a worthy experiment?
Thanks!
Rob
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