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I just use an old Celestron cross hair EP I got in the 80's, 12.5mm FL, it has a narrow FOV but that dosn't matter for Drift Aligning, your only watching for movement in one axis anyway, couple it with a barlow as already been said for super accurate drift work, mine also doubles as the X hair when aligning the Gemini after a Cold Start. Might be old but it doe's the job.
JohnG
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