tigerjon Posted February 27, 2013 Share Posted February 27, 2013 the sun is setting and the sky looks clear-ish, ive had my dob 200p since monday but not had a chance to use it, the temperature is dropping, im thinking about taking scope outside now to start to cool down? could it get too cold or will it be ok, i apologise for the stupid questions but i dont want to ruin it. Link to comment Share on other sites More sharing options...
tigerjon Posted February 27, 2013 Author Share Posted February 27, 2013 also if anyone is in the dereham, norfolk and wants to collimate it for me i would pay u in tea and biscuits Link to comment Share on other sites More sharing options...
Freddie Posted February 27, 2013 Share Posted February 27, 2013 No it can't get too cold. Sorry, too far away to help with the collimation like the sound of the biscuits though!!! Link to comment Share on other sites More sharing options...
LukeSkywatcher Posted February 27, 2013 Share Posted February 27, 2013 A cooling down scope cant really ever get too cold as it will come to a certain point in time where it is matching the outside ambient temp. Thats where you want it to be for the best views. The scope may form a thin layer or dew or even ice on it while in use on cold nights. Thats really nothing to worry too much about. There are ways to keep the scopes optics (mirrors or lens) a couple of degrees above the outside temp.A 200mm Dob should take about 40-60 mins to cool down outside before its ready to use. Link to comment Share on other sites More sharing options...
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