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Optolong L-Pro Deep Sky Filter - 1.25" |
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Optolong H-Beta Filter - 2" |
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Optolong OIII Narrowband (6.5nm) Filter - 1.25" |
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Optolong S-II Narrowband (6.5nm) Filter - 1.25" |
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Optolong City Light Supression / Light Pollution Reduction CLS-CCD Filter - 2" |
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Optolong Clear Sky Filter - 77mm |
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Optolong H-Alpha Narrowband (7nm) Filter - 1.25" |
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Optolong H-Alpha Narrowband (7nm) Filter - 31mm Unmounted |
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Optolong L-Pro Deep Sky Filter - 2" |
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Optolong OIII Narrowband (6.5nm) Filter - 31mm |
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Optolong S-II Narrowband (6.5nm) Unmounted Filter - 31mm |
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Optolong L-eNhance Dual Bandpass Light Pollution Reduction Imaging Filter - 1.25" |
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Optolong Venus & Ultraviolet Venus-U Filter - 1.25" |
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Optolong H-Alpha Narrowband (7nm) Filter - 36mm Unmounted |
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Optolong OIII Narrowband (6.5nm) Filter - 36mm |
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Optolong S-II Narrowband (6.5nm) Unmounted Filter - 36mm |
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Optolong LRGB Imaging Filter Set - 1.25" |
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Optolong Clear Sky Filter - 82mm |
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L-Quad Enhance Filter (L-QEF) L-Quad Enhance Filter (L-QEF) is a quad bandpass light pollution suppression filter for colour cameras. It effectively suppresses the transmission of light pollution wavelengths, especially light pollution generated by artificial lighting (including mercury and sodium lamps), as well as the effects of natural skylight-induced effects on the shot, thus effectively enhancing the contrast and details of the celestial bodies, and making the objects more distinct and stereoscopic. This filter provides better color balance while improving resistance of light pollution. L-QEF can be used for both wide field astrophotography, such as the Milky Way in Summer and Winter, and deep sky objects such as nebulae, galaxies, star clusters, and so forth; It allows you to save a lot of time during the shooting process and get better results at the same time. The design of quad bandpass maximises the colour balance of nebulae, galaxies and other broadband spectral targets. |
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Optolong H-Alpha Narrowband (7nm) Filter - 2" |
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Optolong L-eNhance Dual Bandpass Light Pollution Reduction Imaging Filter - 2" |
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Optolong LRGB Imaging Filter Set - 31mm Round Unmounted |
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Optolong OIII Narrowband (6.5nm) Filter - 2" |
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Optolong S-II Narrowband (6.5nm) Filter - 2" |








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