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4.878" ID rings For Sale

Price - $35.00

Ad Number: 180160

Posted: 12 Aug 2019

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These came off a Photon Instruments refractor. They are 4.878" (122.84 mm) inside diameter at the hard rubber foam. The thumb screws that came with were M6x1.0, but aome point I either cross-threaded or stared at them too harshly. I have tapped the holes to 1/4"-20. The hole in the base for mounting to your dovetail was also M6x1.0, but because I suspect my buyer will be in America, I tapped those holes 1/4"-20 as well.

Aluminum. black crackle finish. If you need too mount a 5" refractor to your Losmandy dovetail (as needed), a great choice. These will easily go in a Priority Mail box. Have them in 3 days or less.

General


  • Condition used
  • Location idaho



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