This adapter set is useful for larger format CCD cameras to adjust the distance
appropriately between the camera and the optics of the telescope, lens, etc.
The set includes a T-thread to C-thread adapter, two T-thread adapters/spacers
(M42 x 0.75) and a cap.
They can be used in conjunction with DSLR/SLR T-rings, T-thread to 2" nosepieces or
as spacers. The T-thread extension tubes are 10mm long each.