Orion 144mm ID Tube Rings
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Orion 144mm ID Tube Rings

Set of two cast-aluminum rings with quick-release, hinged clamp knobs and felt lining

  • One ring has 1/4"-20 piggyback camera adapter; the other has threaded 1/4"-20 hole
  • Sold in sets of two rings. Mounting bolts and washers are included
  • Use with 127mm Mak-Cassegrain

Orion's cast-aluminum tube ring set features quick-release, hinged clamp knobs and felt lining. Designed for use with Orion telescope mounts, they fit some other brands of mounts as well. One of the two rings in the set has a 1/4"-20 piggyback camera adapter on it, the other has a threaded 1/4"-20 hole. The piggyback camera adapter can be removed for mounting an adapter plate for a guide scope on top of the tube rings. For use with SkyView Pro or Atlas telescope mounts, you will also need a dovetail mounting plate.

Set of two rings includes mounting bolts and washers. Inside diameter (ID) is listed. Choose the size that matches the outside diameter of your telescope tube.

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Our price: $39.00

Normally ships within 7-10 days.
 


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