Halation Combi is a combination collimator for visual alignment of all types of telescopes. It combines the function of a classic GMK collimator and a handy illuminated cheshire. The switches on the front panel determine the mode of
operation. In W mode, four LEDs form a set of concentric highlights from each surface of the optical system. The telescope mirrors produce bright highlights, the lenses dim. This allows the collimator to objectively and visually display the state of alignment and allow it to be quickly accomplished.