Astromania 2" UHC (Ultra High Contrast) Filter Superb Views of The Orion, Lagoon, Swan and Other Extended Nebulae
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Nebula filter for increasing contrast, also suitable for use with smaller telescopes. Many objects only first become visible at all when using an UHC filter. But also, highlights such as the Orion, Lagoon or Swan nebulae, show a whole new side to them. Can be used at both light-polluted and dark sky sites. Blocks the light from mercury and sodium-vapour lamps. 2" filter thread, each Astromania Ultra High Contrast Filter is individually inspected and proudly inscribed with the percentage of light transmittance of the O-III and H-beta emission lines. As many celestial objects, such as nebulae, radiate at other wavelengths, a considerable increase in contrast can be achieved by this. The background sky appears darker and all at once, faint details become visible.
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Description
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Nebula filter for increasing contrast, also suitable for use with smaller telescopes. Many objects only first become visible at all when using an UHC filter. But also, highlights such as the Orion, Lagoon or Swan nebulae, show a whole new side to them. Can be used at both light-polluted and dark sky sites. Blocks the light from mercury and sodium-vapour lamps. 2" filter thread, each Astromania Ultra High Contrast Filter is individually inspected and proudly inscribed with the percentage of light transmittance of the O-III and H-beta emission lines. As many celestial objects, such as nebulae, radiate at other wavelengths, a considerable increase in contrast can be achieved by this. The background sky appears darker and all at once, faint details become visible.
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