Newtonian inherit an optical distortion called as
Coma, where stars at corner appears not round but bloated like a tadpole shape.
The Starfield Optics coma corrector will provide a flat field image when Use on
a Newtonian telescope that works from range of F/3-F/6. The large 2'' corrector
will provide widest field of illumination for even full frame DSLR without vignetting
The Starfield Optics 2'' Coma Corrector will significantly
enhance your visual experience as well, providing coma free view with sharp pin
point stars. 2"
nosepiece features recessed safety groove and is threaded to accept standard
For visual use: connect
the 2" eyepiece barrel to the main optical nosepiece
For photo use: unscrew
the 2" eyepiece barrel and attach the included M48-T2 ring to the main
optical nosepiece Then attach your D/SLR camera to the male T2 thread via a
camera-specific T-ring (not included)