Guiding Scope Ring Kit for Telescope Tube Diameter

Feature:
Two tube rings made of metal, the guide scope rings are suitable for small and medium-sized guiding telescopes, ideal for astrophotography for mounting a guide scope parallel to the main telescope
The mounting bar has two M7 through-holes on both sides for easy adaption to rings and three threaded holes: the center hole has 1/4"-20 threads and the two larger holes on either side of center have M8 x 1.25 threads
Solid metal guide scope rings for compact finderscope or guidescope with knurled metal screws. big screws with maximum grip allow easy use - even with gloves
The adjustment Nylon-tipped thumbscrews for avoiding unaesthetic scratches and pressure marks on the telescope while still ensuring reliable clamping
The inner diameter of the tube rings is adjustable

Colour: Black
Material: Aluminum alloy
Size: Length 90mm; ring diameter 42mm/50mm/60mm/68mm/80mm/90mm/102mm

Package include:
1* Guiding Scope Ring Kit
Only the above package content, other products are not included.