Thread: 55mm spacing for flattener reducer
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Old 16-09-2016, 05:23 PM
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Crushellon (Tim)
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Join Date: Aug 2015
Location: Brisbane, Australia
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How much of a difference will +1mm make. I could only get it down to 39.5mm when I needed 38.474.

Also do I really need the flattener for a 22.5mm diag sensor on a Skywatcher ed80?
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