Telescope Finding Scope Mounting Ring Accessories for Astronomical Diameter 50 mm

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