Antares 1.25" Color Filters, Set of 4 (FS2)
Set of 4 1.25" color filters (#11,#21,#80A,ND25), to 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 of 4 popular 1.25" filters:
- #11 - Yellow-Green
- #21 - Orange
- #80A - Light Blue
- #ND25 - Neutral Density Filter (25%)