[Telescope Accessories]:2 inch to 1.25 inch telescope eyepiece mount adapter with M42 thread,can connect the 2" focuser sleeve and convert 1.25" eyepiece to use [Premium Material]:The eyepiece adapter is made of premium aluminum alloy material,wear resistant,sturdy and ensures a long time to use [Easy Connection]:The lens adapter ring is easy to install,screw fastening,built in anti scratch ring to prevent the eyepiece from scratches [Sturdy Structure]:Professional manufacturing telescope accessories,the compression ring fitting is tightly clamped,providing a stable connection,high performance,has a long service life [Portable Size]:The telescope eyepiece adapter is compact and lightweight,easy to store and carry