Custom-designed adapter works in conjunction with the Celestron Off-Axis Guider to produce a larger area of illumination when imaging through larger Schmidt-Cassegrain & EdgeHD telescopes
Optical length: 38mm (1.49")
Ideal for getting to 55mm backfocus with a Celestron Off-Axis Guider
A perfect replacement for Celestron's Large SCT & EDGEHD Adapter V2 for OFF-AXIS Guider
