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Thread: Condensation

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    Default Condensation



    Hello everybody... I have an Orion xt8 8 in Dob. I've noticed the optical tube gets very wet with condensation almost instantly after the sun goes down. Is there any way to prevent or minimize this?
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    Default Re: Condensation

    That's very common on all telescopes, and as long as it's the tube exterior I wouldn't worry about it. It's when your secondary and primary fog over that you should worry.
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    Default Re: Condensation

    Hi Jodham, and welcome here to the Forum!

    As Lokifish said, condensation on the outside is not so much of a problem, but inside on your mirrors will be. That's where blowing heated air like from a hair dryer (on low temperature) might be useful.

    Good luck, and clear skies!

    smp
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    Default Re: Condensation

    Thanks guys
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    Default Re: Condensation

    Welcome to the forum Jodham!
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    Default Re: Condensation

    Your not by chance taking it outdoors from an air conditioned room?
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