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Hyperion Extension Ring
Item no. 2958090
SRP: £14.00
Warranty: 24 Months

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 #2958028 and
  • SP54/M37 #2958037

SP54 / SP54 (11mm Optical Length)