Antares Telescope Tube Mounting Rings - 4.0" (102mm) BLACK (Set of 2) - CR4.0
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Tube ring set for 100mm (4.0") tubes. Aluminum with felt liner, these mount with included 6mm hardware and can be used with most bars. One ring features 1/4"-20 thread for camera mounting. Black color.
These cradle rings are high quality, cast-aluminum mounting rings that can be used for mounting telescope tubes on various mounts or on guidescope rails. All rings are hinged, felt-lined and have clamp-style rings for easy mounting or repositioning of the optical tube. Most rings have clamping knobs while a couple of size have clamping clips instead. Please see the photo for this product to determine whether it has a clamping knob or clip. The base of the rings has a metric 6mm mounting thread. Gunmetal gray finish. If the outer diameter (OD) of the telescope is a little smaller than the inner diameter (ID) of the rings, you can shim the inside of rings with extra felt (not included).