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thats the kinda thing you have to do but be careful Grahame and I followed that to the T and its backwards. not only in method of primary collimation but other wise.
the focuser is Fixed in position. Collimate the secondary to the focuser then the primary to the secondary that way they are all in alignment or optical alignment the mechanical alignment is upto the original quality and assembly.
Like when i Collimated your Vixen Bill with the auto collimator you then star test it and collimate the primary to the secondary.
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