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Antlia ALP-T Dual Band 5nm SII&H-beta Filter- Dual band filter with a very narrow pass band of 5nm H-beta and S-II. This filter is ideal for increasing contrast of nebulae that emit in the sulfur an..
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Antlia Triband RGB Ultra FilterIt is designed for light pollution suppression for OSC and Mono cameras. The spectral design selected the most substantial information in the RGB bands, which makes Antlia..
Product DetailsA. About Optolong's L-eXtreme FilterThe Optolong 2” L-eXtreme filter builds on the success of the renowned L-eNhance filter to deliver an even higher degree of contrast when imaging emission nebulae, planetary nebulae, and supernovae remnants. The L-eXtreme is two filters in one. It h..
Product DetailsA. About Optolong's L-Pro FIlterThe Optolong L-Pro (L-Professional) broadband filter is designed to improve the visibility of various deep sky objects. It does this by:Selectively reducing the transmission of wavelengths of light pollutants, specifically those produced by artificial l..