Thread: Mewlon 250-S CR back focus
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Old 30-05-2018, 11:24 AM
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Atmos (Colin)
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Join Date: Aug 2011
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That’s for that Lewis!
Considering that the corrector is within the baffle and screws into the mirror, it may only end up being about 70mm back focus from the rear 71mm thread. I’ll have to install it measure it all up.
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