3.5″ Hedrick Focuser to 2.7″ AP Threads

Description

Adapter, 3.5″ Hedrick Focuser to 2.7″ AP Threads (only for CDK17 and CDK20)

This adapter bolts onto the back of the Hedrick 3.5″ Focuser and provides female Astrophysics threads for use with AP accessories.
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