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Product Description

Askar Color Magic Duo-band Filter Package Set C1+C2
Using the Color Magic 2” C duo-band filter package can effectively improve the contrast of the image, making it easier to bring out the detailed features of objects that would otherwise be difficult to capture. It'll be able to take high-quality deep-sky images even in areas affected by urban light pollution and other light sources.


Nebula
- We name the Hα+OⅢ Duo-band filter “C1”, and the SⅡ+OⅢ as “C2”, so their combination is the Color Magic C 2" Duo-band filter package. It enables color camera users to shoot without the mono camera and H/S/O narrow band filter, providing more fun of astrophotography.
- With efficient and excellent imaging performance and, a fun and innovative shooting experience, let Color Magic C duo-band filters become your great tool to capture the beautiful moments of the universe!


We name the Hα+OⅢ Duo-band filter “C1”, and the SⅡ+OⅢ as “C2”, so their combination is the Colour Magic C 2" Duo-band filter package. It enables color camera users to shoot without the mono camera and H/S/O narrowband filter, providing more fun of astrophotography.
Colour Magic C /D Filters
Colour Magic C1 Duo-band Filter (Hα+OIII)
ColourMagic C 2" Duo-band filter is a professional astrophotography tool specifically designed for deep-sky imaging. The ColourMagic C1 duo-band filter is Ha+OIII filter.
Colour Magic C2 Duo-band Filter (SII+OIII)
Colour Magic C 2" Duo-band filter is a professional astrophotography tool specifically designed for deep-sky imaging. The Colour Magic C2 duo-band filter is SII+OIII filter.
Colour Magic Super D1 Duo Narrowband Filter (OIII&Ha)
Askar newly launched ColourMagic Super D 2" Duo-narrowband filter, is a professional astrophotography tool specifically designed for deep-sky imaging. The Super D filter, as the name suggests, has the "Super" halo control capability. During the filter research and development process, we made a special design optimization for Super D. And in the end, it becomes a special filter with one bandwidth at 6nm and the other bandwidth outside 6nm.
Colour Magic Super D2 Duo Narrowband Filter (OIII&SII)
Askar newly launched ColourMagic Super D 2" Duo-narrowband filter, is a professional astrophotography tool specifically designed for deep-sky imaging. The Super D filter, as the name suggests, has the "Super" halo control capability. During the filter research and development process, we made a special design optimization for Super D. And in the end, it becomes a special filter with one bandwidth at 6nm and the other bandwidth outside 6nm. Except for the traditional Hα+OⅢ Duo-narrowband filter, we innovatively introduced another filter--SⅡ+OⅢ.
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Filter | 2"C1 Duo-band Filter | 2"C2 Duo-band Filter | 2" D1 Duo-narrowband Filter | 2"D2 Duo-narrowband Filter |
FWHM | OIII:35nm±5nm Ha: 15nm±3nm | OIII:35nm±5nm SII: 15nm±3nm | OIII:6.5nm±0.5nm Ha: 8.5nm±0.5nm | OIII:6.5nm±0.5nm SIII:8.5nm±0.5nm |
CWL | 500.7nm & 656.6nm | 500.7nm & 672nm | 500.7nm & 656.6nm | 500.7nm & 672nm |
Peak transmittance | 90% | 90% | 85% | 85% |
Thickness | 2±0.05mm | 2±0.05mm | 1.85±0.05mm | 1.85±0.05mm |
Barrier property | OD3 @ 200-1000nm | OD3 @ 200-1000nm | ≥OD5 @ 200-1100nm | ≥OD5 @ 200-1100nm |
Surface finish | 60/40 | 60/40 | 60/40 | 60/40 |
$399.00 $399.00
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