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Hello Mick,
I hope these answer your questions.
why are you selling?
I have upgraded to a larger scope for imaging. I need the funds from this scope to help pay off the larger scope. If i didn't have to I would be holding on to this scope.
-double checking does it come with 3inch Crawford or 2.5inch rack and pinion focuser?
This scope comes with a 3inch Crawford focuser. The present model on TS express website has a new focuser (the 2.5 inch rack and pinion)
-condition of scope and lenses i.e. have you in the past had to collimate the lenses or do the lenses require collimation now?
The lenses are in what i would consider perfect condition with maybe a little dust that has settled on the lens since i last cleaned. As for the condition of the rest of the scope there are no marks on the tube (besides some sticky pads/hooks for cables) and a small mark on the lens cap.
-and lastly, after reading many varied reports about cool down times. How long does it take for your scope to cool down, being you live in Brisbane?
I have never really worried about cool down on this scope. If i had to guess i would say 10-15 mins. I know the lens plate is meant to be temperature compensating metal (or so i have been told) so focus holds pretty well all night. In terms of tube thermals again the small size of the scope works in its favour. Being aluminium is cools much faster then a carbon fiber tube and i have never noticed any issues with tube thermals here on the gold coast.
Hope this helps let me know if your have any further questions.
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