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Optolong Filters L-Ultimate 1,25"
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Optolong Filters L-Ultimate 1,25"
35668.6 ¥
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This 3nm dual-band filter is meticulously crafted to significantly mitigate the impact of light pollution while isolating the emissions from nebulae into H-Alpha (red) and OIII (green-blue) wavelengths. By blocking light pollution and enhancing the signal from nebulae, it effectively darkens the sky background, providing optimal conditions for astrophotography. 
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Optolong Filters L-Pro Filter 77mm
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Optolong Filters L-Pro Filter 77mm
39490.4 ¥
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This filter is designed to enhance the contrast of deep-sky objects and reduce the impact of sky background interference, particularly in light-polluted areas. Achieving this involves a sophisticated transmission characteristic that allows the lines of deep-sky objects to pass while suppressing various sources of light pollution, including the atmospheric oxygen emissions responsible for "skyglow."
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Optolong Filters L-Pro Clip Sony Full Frame
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Optolong Filters L-Pro Clip Sony Full Frame
33120.73 ¥
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This filter is engineered to enhance the contrast of deep-sky objects while reducing the interference from sky background. Its intricate transmission characteristics selectively allow the passage of deep-sky object lines while suppressing various sources of light pollution, including the unwanted atmospheric oxygen emissions causing "skyglow." Particularly effective in light-polluted areas, it serves both visual and photographic purposes.
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Optolong Filters Clip Filter for Nikon Full Frame L-Pro
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Optolong Filters Clip Filter for Nikon Full Frame L-Pro
32801.46 ¥
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This filter enhances the contrast of deep-sky objects while reducing the brightness of the sky background. Achieving this involves a complex transmission characteristic that allows the spectral lines of deep-sky objects to pass while suppressing various sources of light pollution. It effectively diminishes the unwanted sky background, known as "skyglow," caused by oxygen emissions in the atmosphere. 
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Optolong Filters Clip Filter for Canon EOS FF L-Pro
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Optolong Filters Clip Filter for Canon EOS FF L-Pro
32801.46 ¥
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This filter is designed to enhance the contrast of deep-sky objects while minimizing the brightness of the sky background. Achieving this involves a sophisticated transmission characteristic that permits the spectral lines of deep-sky objects to pass through while suppressing various sources of light pollution. Additionally, it reduces the unwanted sky background resulting from atmospheric oxygen emissions, known as "skyglow.
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OPT Filters Triad Ultra Quad-Band Narrowband Filter 2"
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OPT Filters Triad Ultra Quad-Band Narrowband Filter 2"
271942.72 ¥
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The Triad Ultra offers narrower band-passes, delivering superior light pollution reduction, heightened contrast, improved separation between H-beta and OIII channels, and enhanced sensitivity in the Sulfur II emission lines. Designed to accommodate color cameras, it also serves as a narrow-band-luminance filter for monochrome cameras, ensuring versatility in your imaging pursuits.
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OPT Filters Triad Tri-Band Narrowband Filter 2"
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OPT Filters Triad Tri-Band Narrowband Filter 2"
207006.5 ¥
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Combatting light pollution has long been a formidable hurdle for astrophotographers. Traditional methods of capturing narrowband color images demanded intricate setups involving filter wheels, multiple filters, adapters, and software, all at considerable expense. However, a groundbreaking solution has emerged, offering affordability and unprecedented performance in bright environments.
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Omegon Filters Pro SII 7nm Filter 1.25"
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Omegon Filters Pro SII 7nm Filter 1.25"
20700.65 ¥
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Engineered to enhance the astrofotography of SII-rich regions, this filter selectively permits emissions from ionized sulphur atoms at 672 nanometers to pass through, elevating contrast levels and enriching your celestial imagery. When combined with complementary filters, ambitious astrophotographers can capture breathtaking pictures, even from the illuminated skies of urban environments.
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