Filtres à contraste élevé Antares
Filtres à contraste élevé Antares
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Description du produit
Filtre de blocage spécialisé : transmet seulement 480-510 nM. M28,4x0,6
2CHU
Le 2UHC est un filtre qui bloque le spectre visuel sauf pour les longueurs d'onde comprises entre 480 nM et 510 nM. Souvent appelé filtre nébulaire ou ALP (anti-pollution lumineuse), il permet le passage des conduites ionisées d'oxygène et d'hydrogène, mais bloque la réflectance de la pollution lumineuse des lampes à vapeur de mercure et de sodium. Se visse dans tous les accessoires de 2".
CSU(1,25)
L'UHC est un filtre qui bloque le spectre visuel sauf pour les longueurs d'onde comprises entre 480 nM et 510 nM. Souvent appelé filtre nébulaire ou ALP (anti-pollution lumineuse), il permet le passage des conduites ionisées d'oxygène et d'hydrogène, mais bloque la réflectance de la pollution lumineuse des lampes à vapeur de mercure et de sodium. Se visse dans tous les accessoires de 1,25".