Baader T-2 Extension Tube 40mm
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
All and are provided with an internal T-2 thread at one end and an external T-2 thread at the opposite end to enable easy linking together with each other or any other T-2 components.
Full internal threading and blackening kills any stray light reflections.
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