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Bintel Diagonal - on rotation star moves significantly off centre?
Is this normal? I noticed when I took my DSLR off and put a Bintel 2" diagonal on - that my SCT and Megrez where badly out of alignment with each other - and they are not when used without diagonals at all!
Further when I rotate the diagonal say 180 degrees at the back of the SCT and then lock it the star moves considerably. Is this common and is it a sign of a bad diagonal whose mirror doesn't sit at 45 degrees to the tube or some other factor?
Many thanks,
Matthew
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