Mount your widefield cameras or other devices to Celestron or Meade Schmidt-Cassegrain and Maksutov telescopes using the Baader Short T-Adapter from Alpine Astronomical. This adapter has a 16mm optical path length and features one 2" diameter female thread for mating with your telescope's output port and a standard T-2 male (M42 x 0.75) thread for connecting your viewing or photo equipment.