Telescope Finding Scope Mounting Ring Accessories for Astronomical Diameter 90 mm

[Anti Scratch Design]The guide ring has smooth surface, which makes it not easy to leave any mark after scratching [Easy to Install]Telescope Star Finding Adapter, adopting bold m6 screws/three locking screws with protective heads to prevent scratches during fixation [Feature]The width of the guide ring has been widened by 14mm, resulting in more and more stable contact surfaces [Portable]The guide ring is small in size and easy to carry.It can be put in a backpack or pocket [Durable Material]Telescope Star Finding Ring is made of metal, sturdy structure, smooth surface and wear resistant