Filter,1.25", Set (4)
USD $48.00
Set (4) 1.25" filters, #11,#21,#80A,ND25
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. Set(4) popular 1.25" filters: #11,#21,#80A,ND25
FS2