![Adapter, 3.5″ Hedrick Focuser to 2.7″ AP Threads](http://cloudbreakoptics.com/cdn/shop/products/200391b_{width}x.jpg?v=1516411555)
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.
![](http://cloudbreakoptics.com/cdn/shop/files/telly_150x150.png?v=1614292674)
Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.