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Ugh, I'm having issues collimating my F4 newt atm.
I NEVER had this much trouble with my 10"Dob, I only ever used a film cannister to collimate it.
F4 is a PITA.
The laser says yes, it's all good, but the images so far show bad coma on one side and minor on the other.
Next I'm going to try it with the laser at the focus point for the dslr and see if that makes a difference.
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