SVBONY SV220 2 inches Telescope Filter Bundle with 2 inches CLS Filter
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Product details
| Management number | 208573464 | Release Date | 2026/03/22 | List Price | $69.60 | Model Number | 208573464 | ||
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- SV220 dual band filter can reduce the light pollution; enhance the contrast when imaging nebulae
- For deep sky photography; use the dual-band filter to enable deep-sky photography in light-polluted cities or under a full moon
- 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
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