Quote:
Originally Posted by dpastern
I thought the idea of the CF tubing was to help with thermal cooling? .....
|
No, CF is used due its low co-efficient of thermal expansion. Being a composite however, it doesn't conduct heat very well & takes longer to cool.
Quote:
Originally Posted by dpastern
Peter, do you feel that bloated stars are a result of poor focusing/focuser slop/poor optics or just poor CCD/OTA + FL matching? ....
Dave
|
Too many variables to know why some images are not great (regardless of the design or make). I wouldn't automatically blame the 'scope when seeing can easily be far more caustic to an image.