Optolong
Optolong L-eNhance 1.25
Optolong L-eNhance filter 1.25" The L-eNhance is Optolong's tri-band light-pollution filter for colour...
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Optolong
Optolong L-eNhance 2"
Optolong L-eNhance filter 2" The L-eNhance is Optolong's tri-band light-pollution filter for colour cameras...
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Optolong
Optolong L-Pro 1.25"
Optolong L-Pro filter 1.25" The L-Pro is a multi-bandpass broadband light-pollution filter that keeps natural...
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Optolong
Optolong L-Pro 2"
Optolong L-Pro filter 2" The L-Pro is a multi-bandpass broadband light-pollution filter that keeps natural...
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Optolong
Optolong L-Quad Enhance 2"
Optolong L-Quad Enhance (L-QEF) filter 2" The L-Quad Enhance (L-QEF) is a quad-bandpass light-pollution...
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Optolong
Optolong L-Ultimate 1.25"
Optolong L-Ultimate filter 1.25" The L-Ultimate is a dual 3 nm narrowband filter passing only OIII (500.7 nm)...
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Optolong
Optolong L-Ultimate 2"
Optolong L-Ultimate filter 2" The L-Ultimate is a dual 3 nm narrowband filter passing only OIII (500.7 nm)...
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Optolong
Optolong L-eXtreme 1.25"
Optolong L-eXtreme filter 1.25" The L-eXtreme is a dual 7 nm narrowband filter isolating H-alpha and OIII for...
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Optolong
Optolong L-eXtreme 2"
Optolong L-eXtreme filter 2" The L-eXtreme is a dual 7 nm narrowband filter isolating H-alpha and OIII for...
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Optolong
Optolong L-Para 2"
Optolong L-Para filter 2" The L-Para is a dual 10 nm narrowband filter for OIII (500.7 nm) and H-alpha (656.3...
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Optolong
Optolong H-alpha 3nm 2"
Optolong H-alpha 3nm filter 2" Optolong's H-alpha 3 nm narrowband filter passes a 3 nm band centred on 656 nm...
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Optolong
Optolong OIII 3nm 2"
Optolong OIII 3nm filter 2" Optolong's OIII 3 nm narrowband filter passes a 3 nm band centred on 500 nm (the...
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