SVBONY SV227 Telescope Filter, 2 inches OIII 5nm CCD Narrowband Filter for Deep Sky Photography

• SVBNOY OIII 5nm 2" Filter greatly enhances contrast and allows high-contrast imaging even in areas with strong light pollution
• OIII 5nm 2" Filter is designed to deliver 90% transmission at the 500.7nm line which provides you with well defined nebulae structures
• 300-1000nm wavelength range; the SVBONY OIII 5nm 2" Filter transmits a 5nm bandwidth of light that is centered at 500.7nm
• 2 inch mounted; the filter can thread directly into the 2 inch barrel of your telescope eyepiece
• SVBONY OIII narrow band filter reduces other transmissions; including wavelengths of light that are responsible for light pollution

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