F4 Coma Corrector
for F4 Newtonian OTA
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.
Magnification remains unaltered.
Features a 4 x element design with one element made from FPL51 ED glass.
Requires 55mm back focus. Image height 28mm. Outside diameter 50.8mm.
Accepts 48mm T-ring adaptors.
5 year Manufacturer's warranty