Product Name: 1.25 "Fixed Extension Tube Product Code:TA3135 Description: 1.Easily and convenient to connect telescope and camera for direct focus photography 2.Made of high quality fullmetal materials 3.M42 threads connect the T-ring and T-mount,it can help you get Wonderful image by adjust eyepiece location 4.Adapter mount for SLR camera and telescope eyepiece Material: Alluminum alloy Interface:1.25inch Color:Black Weight:110g Package include 1pc X 1.25 "Fixed Extension Tube |