SVBONY 1.25 inches CLS Telescope Filter Bundle with SV220 1.25 inches Dual-Band Nebula Filter

SVBONY city light suppression broadband filter is designed to improve the visibility of various deep sky objects. SVBONY dual narrowband H-Alpha/O-III 7nm narrowband filters are specially designed for astrophotography in light-polluted environments, allowing imaging under bright artificial light pollution and moonlight conditions to capture color images without using multiple filter combinations. Images are most useful with single-use color cameras; can be used for imaging emission nebulae, planetary nebulae, and supernova remnants; high transmittance and sharp cutoff can greatly enhance contrast, showing the most detailed information about deep sky objects; designed to drastically cut off sodium.

• 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
• 90% transmission of main nebula emission lines;such as Ha 656nm;OIII 496nm;500nm;SII672nm and H-beta 486nm
• Reduce light pollution; SV220 telescope filter can greatly reduce the interference from natural light sources such as moonlight or artificial light pollution such as street lighting
• Astrophotographic;the filter enhances contrast during visual observation of gaseous and planetary nebulae in all sky conditions; the filter allows high-contrast imaging even in areas with strong light pollution
• Strong applicability; the filter applicable to SVBONY's electronic cameras and astronomical cameras which the apertures are 1.25-inch; but for the different telescopes and cameras; the installation order of filters is also different