Compression Ring Visual Back for Orion Crayford Focusers
This precision machined compression ring type visual back replaces the
factory thumb-screw type back that comes on Orion's Crayford type
focusers. While protecting your eyepieces or accessories from marring,
the brass compression ring also provides more secure retention.
Made from black anodized aluminum with a brass compression ring and
nylon thumbscrews. Weighs 1.7 oz. With two different length screw sets.
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Prices include shipping in the USA!
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