Discover the Power of Askar Colour Magic 2"

Duo-band Filters for Astrophotography

Advanced Optical Design: The Colour Magic C Duo-band filters are meticulously crafted for deep-sky imaging, providing astrophotographers with precision tools for capturing the universe.
Dual Band Variants for Enhanced Imaging: Available in two configurations, the Ha+OIII (C1) and SII+OIII (C2) filters cater to diverse imaging needs, whether using color or mono cameras.
High Transmittance for Quality Images: Both filters boast an impressive transmittance over 90% at their center wavelengths—500.7nm and 656.6nm for C1 (Ha+OIII), and 500.7nm and 672nm for C2 (SII+OIII).
Exceptional Light Pollution Control: Designed to excel in heavily light-polluted areas, these filters effectively minimize unwanted light signals, allowing the beauty of nebulae to shine through without interference.
Superior Contrast and Detail Enhancement: By darkening the sky background and maximizing image contrast, these filters enhance the visibility of stellar details and improve overall image quality.
Professional Grade for Serious Astrophotographers: Both Colour Magic C1 and C2 filters are essential tools for anyone serious about deep-sky astrophotography, combining stellar performance with robust construction.
Versatile Usage: Ideal for use with both color and monochrome cameras, providing flexibility and enhancing the capabilities of various astrophotography setups.

These duo-band filters are perfect for capturing the intricate details of the cosmos, significantly improving the imaging experience even in the most challenging light conditions.

Specifications

C1 Duo-band Filter (OIII & Ha) 2”
FWHM	OIII：35nm±5nm/Ha：15nm±3nm
CWL	500.7nm & 656.6nm
Peak transmittance	90%
Thickness	2 ± 0.05mm
Barrier property	OD3 @ 200-1000nm
Surface finish	60/40

C2 Duo-band Filter (OIII & SⅡ) 2”
FWHM	OIII：35nm±5nm/SⅡ：15nm±3nm
CWL	500.7nm & 672nm
Peak transmittance	90%
Thickness	2 ± 0.05mm
Barrier property	OD3 @ 200-1000nm
Surface finish	60/40

Discover the Power of Askar Colour Magic 2"

Duo-band Filters for Astrophotography

Specifications

C1 Duo-band Filter (OIII & Ha) 2”

C2 Duo-band Filter (OIII & SⅡ) 2”

C Filters VS D Filters

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Askar Colour Magic 2" Duo-band Filters(Choose Package)

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