Baader Hyperion SP54/SP54 Extension Ring

Description Extension Ring with 11mm optical path length, with threaded protective flap for the SP54 external thread Required for the connection of the DT-rings SP54 / M28 and SP54 / M37 The Hyperion DT-rings are optimized for the shortest distance between eyepiece lens and digital camera lens. Only in this way is a vignetting image illumination possible 2 adjusting rings for SP54 thread are free with the purchase at each Hyperion DT-ring. Specifications MANUFACTURER Baader Planetarium SKU (#) 2958090 EAN CODE 4047825007360 WEIGHT (KG) 0.015 OPTICAL LENGTH (MM) 11 USAGE for the DSLR 2" filter holder and direct connection on all Hyperion 68° eyepieces INNER DIAMETER / CLEAR APERTURE (MM) 50 OUTER DIAMETER 57 OUTER CONNECTION (LENS SIDED) Thread, SP54 INNER CONNECTION (EYEPIECE/-CAMERA-SIDED) Thread, SP54 ADAPTABLE TO DTAdapter II&III and Hyperion eyepieces. Fits also onto Morpheus® 76° eyepieces (in combination with #2408040 and #2958080) COMPATIBLE BR