Artículo: AMZ-B079BWD595
SVBONY Telescope Filter, 1.25" CLS Broadband Filter Suitable for Deep Sky Visual Astronomical Photography, Reduce City Light Pollution
Size:
1.25 inch Filter
En stock
0.20 kg
Si
Nuevo
Amazon
- Evaporation with Ion assisted deposition coating technology for durability and resistance to scratching;as well as stability on CWL (central wavelength) no deviation affected by temperature change
- Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass-band and Optical density of off band
- 90% transmission of main nebula emission lines;such as Ha 656nm;OIII 496nm;500nm;SII672nm and H-beta 486nm
- 0.1% transmission of off-band;specifically the major emission lines of artificial light pollution;such as Na 589nm;Hg 435nm and 578nm
- Suitable for color CCD cameras and unmodified DSLR Urban optical filter can effectively suppress urban harmful light and improve the contrast of shooting target
IMPORT EASILY
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