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Optolong ND Filter 2" (ND3)
The filter has an ND-3.0 rating, providing a 1,000 reduction factor and a transmission of 0.1%. This significantly reduces the brightness of objects without changing their color.Regular price $56.88 USDRegular priceUnit price per -
Optolong Moon and Skyglow Filter 2"
Transform your astronomical observations and astrophotography with the Optolong Moon and Skyglow Filter 2". Order now to enjoy clear, high-contrast images of the night sky and capture the beauty of celestial objects with unprecedented detail. Click the link below to add this essential tool to your collection today.Regular price $88.00 USDRegular priceUnit price per -
Optolong Variable Polarizer Filter 2"
Includes multiple layers of anti-reflection coatings applied via electron-beam gun evaporation with ion-assisted deposition, enhancing durability and scratch resistance. CNC machined from black anodized aero-metal, the filter cell is lightweight yet strong, with laser engraving to prevent fading.Regular price $88.00 USDRegular priceUnit price per -
Optolong 2" UV/IR Cut Filter
The Optolong 2" UV/IR Cut Filter is designed to block ultraviolet and infrared light, which can cause significant distortions in astronomical imaging. By ensuring that only the visible spectrum reaches your camera sensor or eyepiece, this filter enhances the clarity and accuracy of your observations and photos. It is particularly useful for deep-sky and planetary imaging, as well as for visual observation, making it an essential tool for any serious astronomer.Regular price $115.00 USDRegular priceUnit price per -
Optolong CLS 2" Light Pollution Filter
The Optolong CLS 2" Light Pollution Filter is designed to improve the visibility of deep-sky objects by selectively reducing the transmission of light pollutants. This filter enhances the contrast and detail of nebulae, galaxies, and star clusters, making them more visible even in areas with significant light pollution. It is particularly effective for astrophotography, allowing you to capture clearer, more detailed images of the night sky.Regular price $118.00 USDRegular priceUnit price per -
Optolong UHC 2" Light Pollution Filter
The Optolong UHC 2" Light Pollution Filter is an essential tool for anyone serious about astronomy and astrophotography. Its ability to selectively reduce light pollution and improve the visibility of deep-sky objects makes it invaluable for capturing detailed images of nebulae, galaxies, and star clusters. With its high-quality construction and advanced features, this filter will significantly improve your stargazing and imaging experience.Regular price $135.00 USDRegular priceUnit price per -
Optolong OIII Filter 2 Inch 18nm
When it comes to astrophotography and deep-sky observation, the quality of your equipment can make all the difference. The Optolong OIII Filter 2 Inch 18nm is a premier choice for both amateur and professional astronomers who seek to capture the night sky's most elusive details. This high-quality filter is designed to selectively transmit the light emitted by doubly ionized oxygen in nebulae, making it an indispensable tool for observing and photographing faint celestial objects.Regular price $158.00 USDRegular priceUnit price per -
Optolong IR Pass 685nm Filter 2"
Transform your astronomical observations and astrophotography with the Optolong IR Pass 685nm Filter 2". Order now to enjoy clear, high-contrast images of the night sky and capture the beauty of celestial objects with unprecedented detail. Click the link below to add this essential tool to your collection today.Regular price $169.00 USDRegular priceUnit price per -
Askar Color Magic C1 C2 Duo-Band Filter 2"
The Askar Color Magic C1 C2 Duo-Band Filter 2" is an essential tool for astrophotographers and astronomers who want to capture stunning images of the night sky. Its ability to capture specific wavelengths of light and reduce the impact of light pollution makes it invaluable for achieving detailed and high-contrast images of nebulae and other celestial objects.Regular price From $169.00 USDRegular priceUnit price per -
Optolong 2" H-Beta Filter 25nm
The filter allows 25nm bandwidth of light centered on the 486nm wavelength, providing bright and clear images of nebulae. Reduces the transmission of artificial light from mercury vapor and sodium vapor lights, as well as natural skyglow caused by neutral oxygen emission.Regular price $189.00 USDRegular priceUnit price per -
Askar Duo-Band Narrowband Filter 2" / 1.25"
The Askar Duo-Band Narrowband Filter 2" / 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 From $189.00 USDRegular priceUnit price per -
ZWO 2" Duo-Band Dual Narrowband Filter
The ZWO 2" Duo-Band Dual Narrowband Filter is primarily used for capturing and observing deep-sky objects such as emission nebulae. By isolating the Hα and OIII emission lines, this filter allows astrophotographers to see and photograph structures within nebulae that are often obscured by other wavelengths of light.Regular price $199.00 USDRegular priceUnit price per -
Askar H-Alpha Narrowband (7nm) Ha Filter 2" / 1.25" / 36mm / 31mm
The Askar H-Alpha Narrowband (7nm) Ha Filter is an indispensable tool for astrophotographers and astronomers who seek to capture the intricate beauty of H-alpha emitting nebulae and supernova remnants. Available in 2", 1.25", 36mm, and 31mm sizes, this filter is designed to provide exceptional clarity and contrast by isolating the H-alpha emission line.Regular price From $199.00 USDRegular priceUnit price per -
Askar OIII Narrowband (7nm) Filter 2" / 1.25" / 36mm / 31mm
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 OIII emitting nebulae and other deep-sky objects. The filter's high transmission rate and fine-optical polishing ensure superior performance, providing clear and detailed views of the night sky.Regular price From $199.00 USDRegular priceUnit price per -
Askar SII Narrowband (7nm) Filter 2" / 1.25" / 36mm / 31mm
The Askar SII Narrowband (7nm) Filter is primarily used for capturing and observing SII emitting nebulae and supernova remnants. By isolating the SII emission line, this filter enables astronomers and astrophotographers to see and photograph structures within nebulae that are often obscured by other wavelengths of light. This makes it an invaluable tool for anyone conducting detailed studies of these celestial phenomena.Regular price From $199.00 USDRegular priceUnit price per -
Optolong SHO (SII H-Alpha OIII) Filters 2" / 1.25"
Astrophotography enthusiasts seeking to capture the mesmerizing beauty of deep-sky objects will find the Optolong SHO (SII H-Alpha OIII) 6.5nm Filters an invaluable addition to their toolkit. Available in both 2" and 1.25" sizes, these narrowband filters are specifically designed to isolate the key emission lines of Sulfur II (SII), Hydrogen-Alpha (H-Alpha), and Oxygen III (OIII).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 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 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 L-Quad Enhance Filter (L-QEF) 2"
The Optolong L-Quad Enhance Filter is primarily used for capturing and enhancing images of deep-sky objects such as nebulae, galaxies, and star clusters. By isolating key emission lines and reducing light pollution, it enables astrophotographers to obtain clearer and more detailed images, even in urban and suburban environments.Regular price $209.00 USDRegular priceUnit price per -
Optolong L-Pro Light Pollution Broadband Filter 2"
Achieves very high transmission (~90%) at major nebula emission lines, including OIII (496nm and 500nm), H-beta (486nm), NII (654nm and 658nm), H-alpha (656nm), and SII (672nm).Regular price $219.00 USDRegular priceUnit price per -
Antlia Triband RGB Ultra Filter - 2" Mounted
The filter effectively reduces the impact of artificial light, allowing for clear and detailed images of deep-sky objects even in light-polluted areas. Designed to work with faster optics up to f/2 focal ratio, the broad bandpass ensures compatibility with a wide range of optical systems.Regular price $232.00 USDRegular priceUnit price per -
Optolong L-Enhance Tri-Band Filter 2"
The Optolong L-Enhance Tri-Band Filter 2" is a revolutionary accessory for astrophotographers seeking to capture the stunning beauty of the night sky with vivid detail and high contrast. Designed specifically for one-shot color and DSLR imaging, this narrowband filter isolates the H-alpha, H-beta, and Oxygen III emission lines, making it an essential tool for those looking to overcome the challenges of light pollution.Regular price $245.00 USDRegular priceUnit price per -
Optolong LRGB 2 Inch Filter Set Kit
The Optolong LRGB 2 Inch Filter Set Kit is an essential tool for anyone serious about astrophotography. Its ability to separate the light spectrum into primary components and block unwanted wavelengths makes it invaluable for capturing high-contrast, detailed images of the night sky. Whether you’re focusing on deep-sky objects or planetary details, this filter set ensures superior performance and image quality.Regular price $249.00 USDRegular priceUnit price per
