If you are upgrading your 106mm Astro-Physics refractor with a high-end Feather Touch focuser for better imaging stability, this adapter ensures a perfectly rigid connection, reducing tilt and sag [1].
Designed for zero flexure during astrophotography [1]. hbad-106-C
Ensures secure, non-slip attachment [1]. If you are upgrading your 106mm Astro-Physics refractor
What specific or focuser are you trying to pair it with? hbad-106-C