Askar Colour Magic C Duo-Band Filters (COLOUR-MAGIC-C)
Askar Colour Magic C Duo-Band Filters (COLOUR-MAGIC-C)
Filter Option
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Product Description
When shooting deep-sky galaxies with color cameras, a duo-band filter in the Ha +OII bands is often used; whereas with a mono camera, a narrowband filter in the Ha, SII, and OII bands is often used, leaving users with color cameras missing one band of nebula detail. This can be compensated by using the Colour Magic C Duo-band filter (SII+OIII) mentioned above.
Colour Magic C1 Duo-band filter (Ha+OIII) has a high transmittance of over 90% at its center wavelengths (500.7nm and 656.6nm). Similarly, the Colour Magic C2 Duo-band filter (SII+OIII) has a high transmittance of over 90% at its center wavelengths (500.7nm and 672nm).
Both can effectively improve the quality of the image, making the sky background of the image darker while maximizing the contrast throughout the image. This enhances the contrast of your pictures, and making it easier to display the details of the stars. In areas with very serious light pollution, this filter can also selectively filter light pollution and cluttered signals through the emission lights of the nebula to achieve the ideal shooting effect.
With efficient and excellent imaging performance and, a fun and innovative shooting experience, let Colour Magic C duo-band filters become your great tool to capture the beautiful moments of the universe!
Specifications
| FWHM: | 35nm ± 5nm (OIII) 15nm ± 3nm (Ha) 15nm ± 3nm (SII) |
| CWL: | 500.7nm (OIII) 656.6nm (Ha) 672nm (SII) |
| Peak Transmittance: | 90% |
| Thickness: | 2 ± 0.05mm |
| Barrier Property: | OD3 @ 200-1000nm |
| Surface Finish: | 60/40 |
Color Magic C vs D
C1 Transmission Curve
C2 Transmission Curve
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