Cheap optolong filter, Buy Quality optolong cls directly from China cls filter Suppliers: Optolong 2 "inch CLS - CCD (V4) urban light pollution filter CCD photographic filtersAvailability:In stock Add to cart Add to Wishlist
CLS-CCD astronomical filter with an obvious effect on blocking city harmful lights and skyglow lights. it has a high transmittance at the region of OIII(496nm & 500nm), Hβ(486nm), NII(654nm &658nm), Ha ( 656nm ) and SII(672nm). It\'s blocking area from 300nm to 1100nm wavelength, which is contributed to prevent the interference from low frequency stary light.
OPTOLONG CLS-CCD filter is suitable for astronomy professional color CCD camera, SLR mod and other professional equipment. Our CLS-CCD has good prevention effect on background skylight, and good for the emission nebula, planetary nebula and remnant line spectrum.
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|Package Weight||0.2kg (0.44lb.)|
|Package Size||20cm x 20cm x 8cm (7.87in x 7.87in x 3.15in)|