Astromania Adjustable Guiding Scope Rings 105 mm Inside Diameter (Pair) - for Telescope Tube Diameter or Finders 50 to 103mm

The inner diameter of the tube rings is 105 mm for Telescopes between 50 to 103mm tube diameter can be mounted adjustable, The adjustment crews have teflon inlays for avoiding unaesthetic scratches and pressure marks on the telescope while still ensuring reliable clamping, Solid metal finder-guide scope rings for compact telescopes and finders with flat support surface and knurled metal screws, There is a female M6 thread at the base for easy adaption to dovetail bars or dovetail clamps; big screws with maximum grip allow easy use - even with gloves, Set: pair of two tube rings made of metal; the Astromania finder-guide scope rings are suitable for small and medium-sized guiding telescopes; ideal for astrophotography for mounting a finder-guide scope parallel to the main telescope