SVBONY Telescope Filter 2" CLS Broadband Filter, Reduce City Light Pollution Suitable for Deep Sky Visual Astronomical Photography
Product details
| Management number | 208573279 | Release Date | 2026/03/22 | List Price | $22.40 | Model Number | 208573279 | ||
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| Category | |||||||||
- 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 435nmand 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
| Item Weight | 1.44 ounces |
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| Manufacturer | SVBONY |
| Item model number | FUSF9155B |
| Product Dimensions | 2.73 x 0.78 x 2.73 inches |
| Is Discontinued By Manufacturer | No |
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