Focuser

The focuser is a single-speed unit, which proved responsive and smooth. Apart from the focuser knobs, there’s just one adjustment in the form of a tensioning knob, which also locks the drawtube. There is no ability to rotate a camera after focus has been achieved.

A largely unprocessed, 30” single exposure of the Dumbbell Nebula, M27, shows slight vignetting in the corners. Star shapes are good for much of the field of view