F4 Coma Corrector (2") for Newtonian Reflectors 
    Optimized for all Sky-Watcher fast-ratio f/4 Newtonian Reflectors /Dobsonians, with 2” focuser. Delivers stunning wide-field views with pinpoint stars to the edge of the field. Magnification remains unaltered.

    Supplied complete with necessary adaptors for visual use. For imaging use with a DSLR camera, a suitable M48x0.75 adaptor is required to match your camera. Sky-Watcher manufactured Canon, Sony, and Nikon M48x0.75 adaptors are available.