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Optolong improved H-Alpha, OIII, SII 6.5nm narrowband filter Kit, 31mm unmounted |
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Optolong improved Narrowband Ha SII OIII 6.5nm filter set, 36mm unmounted |
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Optolong improved Narrowband Ha SII OIII 6.5nm filter set, 2" |
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Optolong LRGB-SHO 6.5nm 7-filter set, 1.25" |
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Optolong LRGB-SHO 6.5nm 7-filter set, 31mm Unmounted |
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Optolong LRGB-SHO 6.5nm 7-filter set, 36mm Unmounted |
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Optolong LRGB-SHO 6.5nm 7-filter set, 2" |
Optolong SHO (SII Ha OIII) Narrowband 3nm filter set, 36mm unmountedOptolong SHO-3nm filter kit includes SII 3nm, H-Alpha 3nm, and OIII 3nm narrowband filters, generally working with astronomical monochrome cooling CCD and modified DSLR imaging in each single-channel. Corresponding with RGB channel (HA, OIII, SII), photographers can process Hubble images by astronomical post processing software. |
Optolong SHO (SII Ha OIII) Narrowband 3nm filter set, 2" setSet of three 2" mounted filters (M48x0.75 filter thread). |








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