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Can I ask why you would start with an eyepiece if you were planning to image or do you like to do some visual beforehand?
If I were doing photography I start with the camera and get it balanced and then do focus etc using the camera.
If you need to do polar alignment using the drift method this is also best accomplished using the camera. Andy Shotglass's startarg overlay is good for that. It has instructions and everything and it is cheap.
Of course this assumes you are using a laptop or computer and you may not be in which case you are stuck with swapping.
One simple solution is to make a mark on your dovetail where each balances with both eyepiece and camera setups. Then simply move the OTA along the saddle so that mark lines up on the dovetail. Of course perfect balance requires having the camera at focus as it could shift a lot.
Greg.
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