Description: 【Compatibility】: Seamlessly convert your telescopes M35x1mm threaded focuser to accept all standard 1.25inch eyepieces and accessories 【Construction】: Precision machined from a single piece of sturdy aluminum alloy, this Focuser Adapter is builts to last. Its rigid design prevents flexing and ensures your valuable eyepieces and camera accessories are held securely 【Secure Locking】: Equipped with a reliable thumbscrew, this Eyepiece Adapter firmly locks your 1.25" accessories in place 【Clear Viewing】: The Focuser Mount Adapter provides a 22mm (0.87 inches) extension to the optical , helping you achieve focus with a wider range of eyepieces. The interior is fully to absorb stray light, reducing internal 【Essential and Easy to Use】: Simply thread the M35x1mm male end into your telescope's focuser, and you're ready to go Specification: M35x1mm to 1.25inch   Size Chart: Inner diameter 3.17cm/1.25inch Height 2.2cm/0.87inch Package Includes: 1 Telescope Focuser Adapter Note: Please allow slightly errors due to manual measurement and different monitors.