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Optolong Moon & Skyglow Filter 1.25"
The Optolong Moon & Skyglow Filter 1.25" is an essential tool for astronomers and astrophotographers seeking to enhance their viewing and imaging experiences. Designed to darken the background sky by blocking light from skyglow and street lights, this filter increases contrast and reveals more details in the Moon, galaxies, nebulae, and globular star clusters.Regular price $72.00 USDRegular priceUnit price per -
Optolong CLS Filter 1.25"
The Optolong CLS Filter 1.25" is a game-changing tool for astronomers and astrophotographers striving to capture clear and detailed images of the night sky, even in light-polluted urban environments. This City Light Suppression (CLS) broadband filter is specifically designed to improve the visibility of deep-sky objects by selectively reducing the transmission of wavelengths from artificial light sources, such as mercury vapor lamps and sodium vapor lights, as well as natural skyglow.Regular price $95.00 USDRegular priceUnit price per -
Optolong UHC Light Pollution Filter 1.25"
Made with high-quality Schott B270 optical glass substrate, 2mm thick, ensuring durability and reliability. Features multi-layer anti-reflection coatings and non-cementing optical substrate coatings, applied via electron-beam gun evaporation with ion-assisted deposition for enhanced durability and scratch resistance.Regular price $95.00 USDRegular priceUnit price per -
ZWO Duo Band Filter 1.25"
The ZWO Duo Band Filter 1.25" is a revolutionary dual narrowband filter designed to significantly improve your astrophotography results. This filter is specifically crafted to complement ZWO's range of color ASI cameras, making it an ideal choice for astronomers who already own a One Shot Color (OSC) camera.Regular price $129.00 USDRegular priceUnit price per -
Optolong L-Pro Light Pollution Broadband Filter 1.25"
The Optolong L-Pro Light Pollution Broadband Filter represents a breakthrough in the field of astrophotography and visual observation under light-polluted skies. Tailored specifically for deep-sky observers and photographers, the L-Pro filter is an essential tool that provides clarity and enhances the visibility of celestial objects by selectively filtering out common light pollutants.Regular price $176.00 USDRegular priceUnit price per -
Askar Duo-Band Narrowband Filter 2" / 1.25"
The Askar Duo-Band Narrowband Filter 2" / 1.25" is a revolutionary accessory for astrophotographers seeking to capture the intricate beauty of deep-sky objects. Designed with two passbands, this filter isolates the H-alpha and OIII emission lines, making it an excellent choice for imaging emission nebulae, planetary nebulae, and supernova remnants.Regular price From $189.00 USDRegular priceUnit price per -
Optolong L-Enhance Light Pollution Filter 1.25"
The Optolong L-eNhance Light Pollution Filter 1.25" is a cutting-edge dual-band pass filter specifically designed for astrophotographers using DSLR (digital SLR), color CMOS, and monochrome CCD cameras. This filter is an economical and practical solution for capturing rich astronomical images in bright, heavily light-polluted areas. By isolating the H-alpha, H-beta, and Oxygen III nebula emission lines, the L-eNhance filter achieves a maximum transmission of up to 90%, ensuring superb control of light pollution effects.Regular price $202.00 USDRegular priceUnit price per -
Optolong SHO (SII H-Alpha OIII) Filters 2" / 1.25"
The Optolong SHO (SII H-Alpha OIII) 6.5nm Filters are essential tools for astrophotographers and astronomers who want to capture stunning images of the night sky. Their ability to isolate specific wavelengths of light and reduce the impact of light pollution makes them invaluable for achieving detailed and high-contrast images of nebulae and other celestial objects. With their high-quality construction and advanced features, these filters will significantly improve your stargazing and imaging experience.Regular price From $205.00 USDRegular priceUnit price per -
Optolong H-Alpha 7nm Filter 2" / 1.25"
Works seamlessly with other narrowband filters like OIII and SII for comprehensive SHO (Hubble Palette) imaging. Enhances contrast and detail in wide-field images when used with CCD cameras.Regular price From $209.00 USDRegular priceUnit price per -
Optolong SII Narrowband 6.5nm Filter 2" / 1.25"
The Optolong SII Narrowband 6.5nm Filter is a high-performance astronomical filter designed to enhance deep-sky imaging. Available in both 2" and 1.25" sizes, this filter is specifically engineered to isolate the Sulfur II (SII) emission line at 672nm. By drastically reducing other transmissions, including those responsible for light pollution, this filter allows astrophotographers to capture stunning, high-contrast images of nebulae and other celestial objects.Regular price From $209.00 USDRegular priceUnit price per -
Optolong OIII Narrowband 6.5nm Filter 2" / 1.25"
With its state-of-the-art construction and advanced coating technology, the Optolong OIII Narrowband Filter ensures that you capture the most stunning and clear images of nebulae and other celestial objects.Regular price From $209.00 USDRegular priceUnit price per -
Optolong L-Extreme 7nm Dual-Band Narrowband Light Pollution Filter
The Optolong L-eXtreme 7nm Dual-Band Narrowband Light Pollution Filter is a powerful tool for capturing stunning images of deep-sky objects, particularly emission nebulae. By isolating the H-alpha (656.28nm) and OIII (500.7nm) emission lines, this filter allows astrophotographers to achieve high-contrast, detailed images, even in light-polluted areas. Below are some of the most popular and visually striking targets for the Optolong L-eXtreme filter.Regular price From $253.00 USDRegular priceUnit price per -
Optolong L-Extreme Light Pollution Filter 1.25"
The Optolong L-Extreme Light Pollution Filter 1.25" is an essential tool for anyone serious about astronomical observation and astrophotography. Its ability to isolate specific wavelengths and reduce light pollution impact makes it invaluable for capturing stunning images of deep-sky objects.Regular price $253.00 USDRegular priceUnit price per -
Optolong L-Ultimate Dual-3nm Filter 2" / 1.25"
The filter isolates H-Alpha (656nm) and OIII (500.7nm) emission lines, blocking out other wavelengths and significantly reducing light pollution. Features a 3nm bandwidth for both H-Alpha and OIII, ensuring high contrast and detailed images.Regular price From $281.00 USDRegular priceUnit price per
