Thread: Dew on Refractors and Telrad in Victoria
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Old 20-02-2014, 02:50 PM
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MattT
Reflecting on Refracting

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Join Date: Jul 2011
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Peter make a dew shield 3x the aperture in length and that should keep the dew off the objective, at least it does on my 150mm frac. Dew shield is 450mm long.
Matt
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