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Telrad dew control


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Just received my Telrad dew controller from www.dewcontrol.com  The bonus was no extra Brexit charges for delivery here in France. A very simple device, but one which will be essential. Many viewing evenings have had to be terminated  with heavy dew  on the finder glass. I often use the "high precision" mode on my Meade (George Dudash upgrade) which means centering a star close to the object every time, so a clear finder glass is a "must".

I'm tempted by the objective lens heater straps, but I must say my home made dew protector works very well and gives me at least 2 hours without problems. It is a roll of 60cm (2ft) wide exercise mat cut and taped to form a tube which fits snugly onto the end of the scope.

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