-
Optolong Moon & Skyglow Filter 1.25"
The filter effectively blocks skyglow at 589nm and various street light emissions, preserving image brightness and increasing contrast. The filter cell is CNC machined for high precision, ensuring a perfect fit and alignment with your telescope’s eyepiece.Regular price $72.00 USDRegular priceUnit price per -
Optolong CLS Filter 1.25"
Its ability to block unwanted light pollution and improve the visibility of celestial objects makes it invaluable for capturing detailed images of the night sky. With its high-quality construction and advanced features, this filter will significantly improve your stargazing and imaging experience.Regular price $95.00 USDRegular priceUnit price per -
Optolong UHC Light Pollution Filter 1.25"
Blocks 0.1% of major transmission lines of artificial light pollution such as Hg (435.8nm, 546.1nm, 577nm, and 578.1nm) and Na (589nm, 615.4nm, and 616.1nm).Regular price $95.00 USDRegular priceUnit price per -
ZWO Duo Band Filter 1.25"
The filter passes light at Hα (656nm) and OIII (500nm) wavelengths, isolating these emission lines for improved contrast and detail in your images. Achieves more than 90% transmission at the major OIII lines (486nm, 496nm, and 501nm) and more than 80% transmission at the Hα line (656.3nm).Regular price $129.00 USDRegular priceUnit price per -
Optolong L-Pro Light Pollution Broadband Filter 1.25"
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.Regular price $176.00 USDRegular priceUnit price per -
Askar Duo-Band Narrowband Filter 2" / 1.25"
Blocks unwanted artificial light from sources like sodium and mercury vapor lamps, as well as natural skyglow. Durable Construction: Built with high-quality materials for longevity and reliable performance. Available in both 2" and 1.25" sizes, making it compatible with a wide range of telescopes and cameras.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 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 $202.00 USDRegular priceUnit price per -
Optolong SHO (SII H-Alpha OIII) Filters 2" / 1.25"
Essential for creating detailed SHO (Hubble Palette) images, enhancing the visibility of different elements within nebulae. Enhances contrast and detail in wide-field images when used with CCD or CMOS cameras.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"
The Optolong SII Narrowband 6.5nm 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 SII filter will help you see the universe in greater detail than ever before.Regular price From $209.00 USDRegular priceUnit price per -
Optolong OIII Narrowband 6.5nm Filter 2" / 1.25"
Astrophotography enthusiasts, meet your next essential tool: the Optolong OIII Narrowband 6.5nm Filter, available in both 2" and 1.25" sizes. This high-quality filter is designed to isolate the Oxygen III (OIII) emission line at 500nm, drastically reducing the impact of light pollution and enhancing the contrast and details of your deep-sky images.Regular price From $209.00 USDRegular priceUnit price per -
Optolong L-Extreme 7nm Dual-Band Narrowband Light Pollution Filter
Achieve high-contrast, detailed images of nebulae and other celestial objects by isolating specific wavelengths of light. Effectively blocks unwanted wavelengths, significantly reducing the impact of light pollution and improving image clarity.Regular price From $253.00 USDRegular priceUnit price per -
Optolong L-Extreme Light Pollution Filter 1.25"
The Optolong L-Extreme Light Pollution Filter is primarily used for capturing and enhancing images of deep-sky objects such as nebulae. By isolating the H-alpha and OIII emission lines, it enables astrophotographers to obtain clearer and more detailed images, even in light-polluted environments.Regular price $253.00 USDRegular priceUnit price per -
Optolong L-Ultimate Dual-3nm Filter 2" / 1.25"
The L-Ultimate isolates the nebulae's emissions into H-Alpha (red) and OIII (green-blue), blocking out unwanted light and maximizing the signal from nebulae.Regular price From $281.00 USDRegular priceUnit price per
