Askar Colour Magic 2'' 3nm Filters – Precision Filters for Astrophotography Excellence

Designed for Deep-Sky Imaging: The Askar Colour Magic 2'' 3nm Filters are essential tools for astrophotography, expertly crafted to eliminate background light interference and enhance the clarity and detail of your deep-sky images.
Ultra-Narrow Bandwidth: With a narrower 3nm bandwidth compared to previous models, these filters excel even in areas with significant urban light pollution, making it easier to capture high-quality images with sharp star details.
High Transmission Efficiency: Each filter in the Colour Magic set offers over 90% ultra-high transmittance at its center wavelength, ensuring that only the desired light reaches your camera sensor, resulting in vivid and clear astrophotography.
Enhanced Contrast and Detail: The efficient light transmission of the 3nm filters significantly boosts the contrast in your photos, revealing intricate details that are often missed with broader bandwidth filters.
Comprehensive Narrowband Set:
- Askar 3nm SII Filter: Perfect for capturing emission nebulae, planetary nebulae, and supernova remnants emitting SII particles. The 672nm center wavelength filter highlights unique image details distinct from H-alpha.
- Askar 3nm H-alpha Filter: Ideal for photographing nebulae or supernova remnants with H-alpha particles, this filter excels in light-polluted areas, blocking unwanted light while enhancing image contrast at 656.3nm.
- Askar 3nm OIII Filter: Suited for capturing nebulae and supernova remnants with OIII particles, the 500.7nm center wavelength filter ensures top-quality imaging even in severe light pollution, while also enhancing contrast in dark skies.
Superior Halation Control: The Colour Magic filters feature excellent halation control, minimizing unwanted light artifacts and enhancing the overall quality of your deep-sky photographs.
Robust and Versatile: Made from high-quality materials, these filters are built to last and are compatible with a wide range of telescopes and astrophotography setups, making them a versatile choice for both amateur and professional astrophotographers.
Perfect for Light-Polluted Areas: These filters are especially effective in urban environments, blocking out light pollution and night glow, allowing for clear and detailed images even in challenging conditions.
Easy to Use: Designed for ease of integration into your astrophotography setup, the Askar Colour Magic 2'' 3nm Filters are simple to install and use, making them an excellent addition to any astronomer's toolkit.

Specifications

3nm SII Filter 2”
FWHM	3nm
CWL	672nm
Peak transmittance	88%
Thickness	1.85 ± 0.05mm
Barrier property	≥OD5 @ 200-1100nm
Surface finish	60/40
Parallelism	30″

3nm H-alpha 2”
FWHM	3nm
CWL	656.3nm
Peak transmittance	88%
Thickness	1.85 ± 0.05mm
Barrier property	≥OD5 @ 200-1100nm
Surface finish	60/40
Parallelism	30″

3nm OIII 2”
FWHM	3nm
CWL	500.7nm
Peak transmittance	88%
Thickness	1.85 ± 0.05mm
Barrier property	≥OD5 @ 200-1100nm
Surface finish	60/40
Parallelism	30″

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Askar Colour Magic 2'' 3nm Filters(Choose FIlter Package)

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