STC Filters Astro Duo Narrowband Filter 2"
STC Filters Astro Duo Narrowband Filter 2"
523.17 $
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The Astro Duo-Narrowband filter is meticulously crafted to capture the distinct wavelengths emitted by gaseous and planetary nebulae. It prioritizes the Hα emission line at 656nm and OIII lines at 500nm, boasting high transmission while effectively combating light pollution and blocking longer wavelengths. This results in enhanced detail and contrast in your astrophotography.
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STC Filters Astro Multispectra Filter 2"
STC Filters Astro Multispectra Filter 2"
305.35 $
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The STC Astro Multispectra filter serves as a versatile light pollution suppression tool, tailored for DSLR cameras, effectively countering interference from artificial sources like mercury and sodium street lights. While minimizing unwanted light, it preserves crucial nebula emission lines, heightening the contrast of celestial objects. 
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ZWO Filters 2" Duo band
ZWO Filters 2" Duo band
174.86 $
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The ZWO Duo-Band Filter is a dual narrowband filter designed to complement the spectrum of color ASI cameras. Perfect for astronomers who possess color cameras and wish to explore narrowband imaging techniques or capture emission objects without investing in a monochrome camera, filter wheel, and narrowband filter set.
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ZWO Filters Filter CH4 1.25"
ZWO Filters Filter CH4 1.25"
113.99 $
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The Methane band (CH4) filter is designed specifically for photographic applications. With a Half-Width at Half Maximum (FWHM) of 20nm, it is compatible with most infrared-sensitive color or monochrome cameras, offering the ability to capture detailed imagery without excessive darkness.
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