Skywatcher F/4 Aplanatic Super Coma Corrector for F/4 Quattro Newtonians
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.
Features a 4 x element design with one element made from FPL51 ED glass.
Magnification remains unaltered.
Requires 55mm back focus.
Outside diameter 50.8mm.
Image height 28mm.
A suitable M48x0.75 adaptor is required to match your camera. Sky-Watcher manufactured Canon and Nikon M48x0.75 adaptors are available (prod codes 20237 for Canon EOS & 20238 for Nikon cameras).