#17664 - 2-inch to Standard T-thread Adapter.

Description Compatibility Specifications Resources The 2-inch to T-thread Adapter is our original secure fit adapter for M42 x 0.75mm T-thread cameras requiring a male T or T2 screw-in threaded nosepiece. By holding tight tolerances (+/- 0.003") Optec has achieved a slip-fit that is second-to-none. When used with the TCF-S focuser, the #17664 with its incorporated precision machined dovetail cut exactly matches the three thumbscrews on the focuser's drawtube. By tightening the thumbscrews, the dovetail is drawn tighter to the face of the drawtube completely eliminating flexure. With a heavy wall and industry standard T-thread, the #17664 is both rugged and easy to use. The male T-thread will screw into any female T or T2 receiver including nearly all commercial available CCD cameras, DSLR cameras with compatible bayonet T-rings, and many filter wheels. The wide flange on the 2-inch to T-thread adapter features a machined brass registration screw to exactly match th