T2 Adapter Telescope Extension Tube 1.25 inch Telescope

T2 Adapter Telescope Extension Tube 1.25 inch Telescope Mount Adapter ThreadWTM It offers 1.25 inch mounting sizes on telescope side. The . M42x0.75mm has an external thread on one end and a standard 1.25" (31.7mm) accessory on the other end. The inside of the adapter is fully threaded to minimize reflections. The thread accepts a standard 1.25" eyepiece filter. Main focus photography - use the camera directly. Simple Barlow Projection - Use your Barlow and camera above. Eyepiece projection - Use the eyepiece in the extension tube. Extended Barlow Projection - Use the extension tube with Barlow (expanding the Barlow projection to make 2 times the Baal to 3 times or more Barlow).   Specifications Product name: Telescope Extension Tube Color: black Material: aluminum Size: as the picture shows Sleeve interface: 1.25 inches (about 31.7mm) Thread size: M42*0.75mm