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Askar Color Magic C1 C2 Duo-Band Filter 2"
Over 90% at the center wavelength of 500.7nm and 656.6nm. FWHM of 35nm±5nm for OIII and 15nm±3nm for Ha.Regular price From $169.00 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 -
Optolong L-Extreme 7nm Dual-Band Narrowband Light Pollution Filter
Captures specific wavelengths at 500.7nm (OIII) and 656.28nm (H-alpha) with a Full Width at Half Maximum (FWHM) of 7nm. Designed for use with fast focal ratio imaging systems, including RASA, HyperStar, and other systems with focal ratios from f2 to f3.3.Regular price From $253.00 USDRegular priceUnit price per -
Optolong L-Ultimate Dual-3nm Filter 2" / 1.25"
Transform your astronomical observations and astrophotography with the Optolong L-Ultimate Dual-3nm Filter. Order now to enjoy clear, high-contrast images of nebulae and other celestial objects, capturing the beauty of the universe in unprecedented detail. Click the link below to add this essential tool to your collection today.Regular price From $281.00 USDRegular priceUnit price per -
Optolong L-Extreme F2 Fast Filter 2 Inch
Captures specific wavelengths at 500.7 nm (OIII) and 656.28 nm (H-alpha) with a Full Width at Half Maximum (FWHM) of 7 nm.Regular price $312.00 USDRegular priceUnit price per -
Optolong L-Extreme Dual-Band Filter 2" Inch
The Optolong L-Extreme Dual-Band Filter 2" Inch is a powerful tool designed to help astrophotographers capture the beauty of the night sky with unparalleled clarity and contrast. This advanced filter is engineered to isolate the H-alpha and Oxygen III (OIII) nebula emission lines, making it an essential accessory for deep-sky imaging, especially in light-polluted environments.Regular price $312.00 USDRegular priceUnit price per -
Askar Color Magic D1 D2 Duo-Band Narrowband Filter 2"
Over 85% at the center wavelength of 500.7nm and 656.3nm. FWHM of 6.5nm±0.5nm for OIII and 8.5nm±0.5nm for Hα. Darkens the sky background to highlight the details of celestial objects.Regular price From $329.00 USDRegular priceUnit price per -
Antlia ALP-T Dual Band 5nm Narrowband OIII and Ha Filter 2" Mounted
The Antlia ALP-T Dual Band 5nm Filter is visually distinct with its golden yellow appearance, earning it the nickname "Golden Filter". This aesthetic is not just for show; it reflects the filter's exceptional performance in isolating specific wavelengths of light, ensuring that your images are both vibrant and detailed.Regular price $434.00 USDRegular priceUnit price per -
Antlia ALP-T Dual Narrowband 5nm H-Alpha OIII/H-Beta SII Filter 2" Mounted
The filter set includes two dual band filters, one for H-Alpha and OIII, and another for H-Beta and SII. Each filter has a narrow 5nm bandpass to isolate specific wavelengths, enhancing image clarity and detail. The advanced multi-coatings effectively isolate the desired wavelengths while suppressing unwanted light pollution, moonlight, and airglow. This ensures superior signal-to-noise ratio and better contrast.Regular price From $435.00 USDRegular priceUnit price per
