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I am actually a bit tempted to get one of his M48 ones to try with the ED72. It uses 3mm less backfocus than the Baader to begin with but being M48 it would remove a couple of adapters and potentially save more backfocus than that as well. Could be as much as 5 or 6mm between the reducer and sensor.
I can't quite get the Baader one in between the ED72 reducer and the guilder while still being able to achieve focus on the imaging camera AND have the guider close enough to parfocal with it to use. On the SCT it would be a snap as I am not using a reducer on it now and it has oodles of backfocus to play with.
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