Filter,1.25", Blue

USD $14.00
#80A light blue 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" #80A (light blue) Recommended: Jupiter, Saturn