Collection: 1.25 Inch Astrophotography Filters

The Optolong ND3 Filter 1.25" is a versatile and essential tool for astronomers and astrophotographers who seek to observe and capture celestial objects with exceptional clarity and detail.

The ZWO 850nm IR Pass Filter 1.25" is an indispensable accessory for astrophotographers and astronomers who want to capture stunning infrared images. Designed to pass infrared light with a wavelength of more than 850nm while blocking the visible spectrum, this filter is ideal for improving planetary and lunar imaging under less-than-ideal atmospheric conditions. Whether you are dealing with poor seeing or imaging during daylight, the ZWO 850nm IR Pass Filter delivers superior results, making it a must-have tool in your astrophotography kit.

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.

The Optolong Variable Polarizing Filter 1.25" is a highly versatile tool for astronomers and astrophotographers looking to control and fine-tune the brightness of celestial objects in their observations and images. This filter allows you to adjust the amount of light entering your eyepiece, providing optimal visibility and contrast for bright objects like the Moon, Venus, and other planets.

The Optolong UV/IR Cut Filter 1.25" is a vital accessory for astronomers and astrophotographers who demand the highest image quality from their observations and captures. Specifically designed to block ultraviolet (UV) and infrared (IR) wavelengths, this filter ensures that only visible light reaches your camera sensor or eyepiece, resulting in sharp, clear, and high-contrast images.

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.

The Optolong UHC Light Pollution Filter 1.25" is an essential accessory for astronomers and astrophotographers who are serious about capturing the most detailed and clear images of the night sky. Designed specifically for deep-sky observation and imaging, this Ultra High Contrast (UHC) broadband filter significantly enhances the visibility of celestial objects by selectively reducing the transmission of wavelengths from artificial light sources.

Welcome to the world of stargazing transformed. The Optolong OIII 18nm Filter 1.25" is your gateway to an unparalleled viewing experience, crafted specifically for the 1.25 inch telescope eyepiece. As amateur astronomers seek clearer views under light-polluted skies, this filter emerges as an essential tool, meticulously designed to drastically reduce light pollution while enhancing the visibility of nebulae and distant galaxies.

Transform your astronomical observations and astrophotography with the Optolong IR Pass 685nm Filter 1.25". Order now to enjoy clear, high-contrast images of the Moon and planets and capture the beauty of these celestial objects with unprecedented detail. Click the link below to add this essential tool to your collection today.

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.

The Optolong H-Beta 25nm Filter 1.25" is an essential accessory for astronomers and astrophotographers who seek to capture the most elusive and faint nebulae in the night sky. Specifically designed to enhance the contrast of nebulae, this narrowband filter isolates the Hydrogen Beta (H-Beta) emission line at 486nm, significantly improving the visibility of nebulae such as the Horsehead Nebula and the California Nebula. With its advanced construction and high-quality materials, the Optolong H-Beta Filter ensures superior performance, making it an indispensable addition to your astronomical tool

Astrophotography enthusiasts and professionals alike will appreciate the innovative design and functionality of the ZWO CH4 Methane Filter 20nm 1.25". This specialized filter is crafted to capture intricate details of planetary features, particularly for planets like Jupiter and Saturn.

The Optolong L-Pro Filter is specifically designed to improve the quality of astrophotography and visual observation by filtering out unwanted wavelengths emitted by urban lighting. It excels in enhancing the visibility of ionized hydrogen regions and other emission nebulae without altering the natural colors of the cosmos.

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.

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.

The ZWO SII Narrowband Filter 1.25" Inch (7nm) is an essential tool for astrophotographers and visual observers seeking to capture the beauty of the night sky in high contrast and vivid detail. This filter is specifically designed to isolate the sulfur II (SII) emission lines at a wavelength of 672nm, allowing for clear and detailed imaging of nebulae, planetary nebulae, and supernova remnants.

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.

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.

The Askar OIII Narrowband (7nm) Filter 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. Don't miss the opportunity to add this high-quality filter to your astronomical toolkit.

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.

The ZWO 1.25" LRGB Filters are an essential tool for anyone serious about astronomical observation and astrophotography. Their ability to isolate specific wavelengths and reduce light pollution impact makes them invaluable for capturing stunning images of deep-sky objects.

The filter is primarily designed for imaging with color cameras. While it can be used for visual observation, its main benefits are realized in astrophotography.

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.

The Optolong OIII 6.5nm Filter 1.25" is a must-have tool for astronomers and astrophotographers who are serious about capturing the most detailed and clear images of the night sky. Designed specifically for deep-sky observation and imaging, this narrowband filter isolates the Oxygen III (OIII) emission line at 500nm, significantly enhancing the contrast and visibility of celestial objects