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Optolong OIII 18nm Filter 1.25"
The versatility of the Optolong OIII 18nm Filter allows you to customize your astronomical observations. Whether you're interested in detailed views of specific nebulae or general observations of the night sky, this filter can be adapted to meet your needs. Its compatibility with 1.25-inch eyepieces makes it a flexible choice for many telescopes.Regular price $128.00 USDRegular priceUnit price per -
Optolong H-Beta 25nm Filter 1.25"
Transform your astronomical observations and astrophotography with the Optolong H-Beta 25nm Filter 1.25". Order now to enjoy clear, high-contrast images of faint nebulae and capture the beauty of these celestial objects with unprecedented detail. Click the link below to add this essential tool to your collection today.Regular price $140.00 USDRegular priceUnit price per -
Optolong OIII Filter 2 Inch 18nm
The filter substrate is fine-optically polished to 1/4 wave with less than 30 parallelism over both surfaces. This ensures minimal light scatter and superior image clarity. Complying with the MIL-O-13830 standard, the filter boasts a surface quality of 60/40, which translates to exceptional durability and performance.Regular price $158.00 USDRegular priceUnit price per -
ZWO H-Alpha Ha Narrowband Filter 1.25" 7nm
Ideal for capturing detailed images of emission nebulae, revealing structures and features that are often invisible with broadband filters. Essential for producing high-contrast, high-resolution images of celestial objects, even in light-polluted environments.Regular price $179.00 USDRegular priceUnit price per -
ZWO OIII Narrowband Filter 1.25" (7nm)
Investing in the ZWO OIII Narrowband Filter 1.25" (7nm) means achieving professional-grade astrophotography results. Its superior construction, light pollution suppression capabilities, and compatibility with a wide range of equipment make it an invaluable tool for capturing the beauty of the night sky in vivid detail.Regular price $179.00 USDRegular priceUnit price per -
ZWO SII Narrowband Filter 1.25" Inch (7nm)
The ZWO SII Narrowband Filter is primarily used for capturing and enhancing images of deep-sky objects such as nebulae. By isolating the SII emission lines, it enables astrophotographers to obtain clearer and more detailed images, even in light-polluted environments.Regular price $179.00 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 2" H-Beta Filter 25nm
Both surfaces of the filter are fine optically polished to 1/4 wavelength or better, ensuring superior quality with parallelism within 30 seconds of arc. High-Quality Materials: Made from 2mm thick Schott B270 optical glass substrate, the filter offers excellent durability and reliability.Regular price $189.00 USDRegular priceUnit price per -
Askar SII Narrowband (7nm) Filter 2" / 1.25" / 36mm / 31mm
The Askar SII Narrowband (7nm) Filter is an essential accessory for astrophotographers and astronomers who aim to capture the detailed beauty of SII (Sulfur II) emitting nebulae and supernova remnants. Available in sizes of 2", 1.25", 36mm, and 31mm, this filter isolates the SII emission line at 671.6nm, providing exceptional clarity and contrast. Whether you are imaging in light-polluted urban environments or under pristine dark skies, the Askar SII filter will enhance your astro-imaging capabilities, revealing the subtle details of the cosmos.Regular price From $199.00 USDRegular priceUnit price per -
Optolong SHO (SII H-Alpha OIII) Filters 2" / 1.25"
Perfect for capturing intricate details of nebulae and other celestial objects rich in sulfur, hydrogen, and oxygen emissions. Effectively reduces the impact of light pollution, making it suitable for use in light-polluted urban environments.Regular price From $205.00 USDRegular priceUnit price per -
Optolong H-Alpha 7nm Filter 2" / 1.25"
The Optolong H-Alpha 7nm Filter is a powerful tool for any astronomer or astrophotographer looking to capture high-contrast, detailed images of the night sky. With its advanced coating technology, high transmission rates, and durable construction, this filter ensures that you can achieve stunning results in a variety of imaging scenarios. Whether you’re observing from a suburban backyard or a light-polluted urban environment, the H-Alpha filter will help you see the universe in greater detail than ever before.Regular price From $209.00 USDRegular priceUnit price per -
Optolong SII Narrowband 6.5nm Filter 2" / 1.25"
Ideal for capturing detailed images of sulfur-rich nebulae and other celestial objects. Effectively reduces the impact of light pollution, making it suitable for use in urban environments. Works seamlessly with other narrowband filters like H-Alpha and OIII for comprehensive SHO (Hubble Palette) imaging.Regular price From $209.00 USDRegular priceUnit price per -
Optolong OIII Narrowband 6.5nm Filter 2" / 1.25"
6.5nm bandwidth centered at 500nm, isolating OIII emissions while blocking out unwanted light. 80% transmission at the 500nm OIII line, ensuring bright and detailed images.Regular price From $209.00 USDRegular priceUnit price per -
Optolong OIII 6.5nm Filter 1.25"
The filter blocks infrared wavelengths from 700nm to 1100nm, eliminating the need for a separate IR-Cut filter. Precision Polishing: The filter substrate is fine-optically polished to 1/4 wave with less than 30 parallelism over both surfaces, ensuring superior image quality. Made from 2mm thick Schott B260 optical glass substrate, the filter offers excellent durability and reliability.Regular price $209.00 USDRegular priceUnit price per -
Optolong 2" Inch H-Alpha Filter
Ideal for capturing detailed images of emission nebulae and other deep-sky objects. Perfect for wide-field images of the night sky, highlighting nebulae and reducing light pollution. Useful for professional astronomers and researchers requiring precise and reliable optical performance.Regular price $279.00 USDRegular priceUnit price per -
Optolong SII Filter 2 Inch 6.5nm
Elevate your astronomical observations and astrophotography to new heights with the Optolong SII Filter 2 Inch 6.5nm. Order now to enjoy clear, high-contrast images of the night sky and capture the beauty of deep-sky objects with unprecedented detail. Click the link below to add this essential tool to your collection today.Regular price $279.00 USDRegular priceUnit price per -
Optolong 2" OIII 6.5nm Filter
The filter blocks infrared wavelengths from 700nm to 1100nm, eliminating the need for a separate IR-Cut filter. Precision Polishing: The filter substrate is fine-optically polished to 1/4 wave with less than 30 parallelism over both surfaces, ensuring superior image quality. Made from 2mm thick Schott B260 optical glass substrate, the filter offers excellent durability and reliability.Regular price $279.00 USDRegular priceUnit price per -
ZWO 2" OIII Narrowband Filter 7nm
Purchasing the ZWO 2" OIII Narrowband Filter 7nm is a smart investment for any serious astronomer or astrophotographer. Its ability to isolate specific wavelengths of light and reduce the impact of light pollution makes it an essential tool for capturing stunning images of nebulas.Regular price $299.00 USDRegular priceUnit price per -
ZWO 2" H-Alpha Ha Filter 7nm
The ZWO 2" H-Alpha Ha Filter 7nm is an exceptional tool designed for dedicated astrophotographers and astronomers who seek to capture the intricate details of the night sky. This narrowband filter allows for high-contrast imaging by isolating the H-alpha emission line, making it possible to photograph stunning celestial objects even in areas affected by light pollution. With its precise 7nm bandwidth, this filter ensures that you can see nebulae in ways that were previously impossible.Regular price $299.00 USDRegular priceUnit price per -
ZWO 2" SII Filter 7nm
The ZWO 2" Narrowband SII Filter 7nm 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 nebula images.Regular price $299.00 USDRegular priceUnit price per -
ZWO SHO 2" Inch Filter Set Kit (Ha SII OIII) Narrowband 7nm
The ZWO SHO Filter Set is primarily used for capturing and enhancing images of deep-sky objects such as nebulae. By isolating the H-alpha, SII, and OIII emission lines, it enables astrophotographers to obtain clearer and more detailed images, even in light-polluted environments.Regular price From $299.00 USDRegular priceUnit price per
