Sky-Watcher Coma Corrector (2") for Newtonian Reflectors

Designed to retro-fit to the Explorer-150/200/250/300P Newtonian Reflectors originally supplied with a 2" (two-inch) single speed focuser. Gear Ratio 10:1.

The tube length has been slightly shortened to optimise performance for prime-focus photography.

Optimised for Sky-Watcher superfast f/4 Quattro imaging Newtonians, delivering stunning wide-field views with pinpoint stars to the edge of the flat field.