Filter,1.25", Green

USD $14.00
#11 green thread-in filter. M28.4x0.6
Color filters enhance planetary imaging. Every refractive system, (lenses,correctors,eyepieces etc.) produce Chromatic Focal Shift: The different colors focus on different planes. By isolating one color more detail will become apparent. Always use a contrasting color to what you are observing. 1.25" #11 (green) : Recommended: Mars, Stack with 80A