This Digital T ring is designed to allow you to fit any camera or other viewing device with an M28 (28mm) thread onto your Hyperion eyepiece, you will need Hyperion Extension ring 2958090 to first fit onto the top of your Hyperion, then the adapter above will fit onto that ring.

Additionally these rings can be used to fit Baaders 2" filter holder 2408166 (with most Baader filters) onto most DSLR camera lenses.