Baader HYPERION EXTENSION RING

Hyperion Extension Ring

This adapter attaches to the M54 thread found under the rubber eyeguard of Hyperion fixed focal length eyepieces (full set #2454600), it extends the length of the thread on the eyepiece which is required in some configurations to eliminate some abberations when using Baader's Digital-T adapters for afocal projection photography

Necessary with Hyperion Digital T-adapters:

SP54/M28 #B2958028 and
SP54/M37 #B2958037
SP54 / SP54 (11mm Optical Length)