Solomark Webcam Adapter for Telescope 1.25inch Thread(with Good Paint)- Good for Taking Videos and Capture of Moon and Planets Webcam Adapter For Telescope 1.25" Thread: male 12mm Standard 1.25" telescope eyepiece port.Adapter with built-in filter thread . Compatible list Philips SPC900NC,SPC890NC, ToUcam Pro II 840k,Philips ToUcam Pro 740K, Creative Webcam Pro EX,Creative Webcam Pro NX, Wholly CNC Construction