-
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 -
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 -
ZWO 2" Duo-Band Dual Narrowband Filter
The ZWO 2" Duo-Band Dual Narrowband 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.Regular price $199.00 USDRegular priceUnit price per -
Optolong L-Extreme 7nm Dual-Band Narrowband Light Pollution Filter
The Optolong L-eXtreme 7nm Dual-Band Narrowband Light Pollution Filter is a game-changer for astrophotographers and astronomers who aim to capture breathtaking images of the cosmos. Designed to isolate and transmit the H-alpha (656.28nm) and OIII (500.7nm) emission lines, this filter dramatically enhances the contrast and detail of nebulae, even in heavily light-polluted skies.Regular price From $253.00 USDRegular priceUnit price per -
Optolong L-Extreme Light Pollution Filter 1.25"
The Optolong L-Extreme Light Pollution Filter 1.25" is an innovative dual-band pass filter specifically designed for astrophotographers who use DSLR, color CMOS, and monochrome CCD cameras. This advanced filter effectively isolates the H-alpha and Oxygen III (OIII) nebula emission lines, making it an essential tool for capturing high-contrast, detailed images of deep-sky objects 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 -
Optolong L-Extreme F2 Fast Filter 2 Inch
Perfect for capturing detailed images of nebulae and other celestial objects in the OIII and H-alpha emission lines. Optimized for use with fast focal ratio telescopes such as RASA, HyperStar, and others in the f2 to f3.3 range.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
One of the standout features of the Antlia ALP-T Dual Band 5nm Filter is its advanced multi-coatings. These coatings are designed to effectively isolate the red Hydrogen-alpha (Ha) and blue-green Oxygen III (OIII) light from emission nebulae. This isolation results in the suppression of unwanted wavelengths from light pollution, moonlight, and airglow. By eliminating these interferences, the filter significantly enhances the signal-to-noise ratio and contrast in your images, ensuring that you capture the finest details with remarkable clarity.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
