Quote:
Originally Posted by ghsmith45
If the focuser of the guidescope flexes, then the mount will adjust to bring the star back to centre and the image in the main camera will be trailed, so yes, the focuser is an issue for the guidescope.
The Orion short tube 80mm at just over $200 is a reasonable choice.
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Geoff, I think I am being slightly misunderstood here.
No, I don't mean a guidescope can have flop, wobble, or be crap.
I already said I thought the OP was mistaking the guide camera as an imager.
Obviously a guide camera has to be mounted rock solid. It would be pointless if it moved.
But it doesn't have to be in Focus to guide. It is better if it is slightly out of focus.
And that a guidescope can be a basic cheap achro or finderscope. It doesn't need to be an expensive high quality scope.
That's what I am, saying.