SV220 7nm Dual Narrow bandwidth SII/O-III narrowband filter properly designed for astrophotography both in light polluted
Allows for imaging in bright man-made light pollution and moonlit conditions; Take color images without needing to combine images with multiple filters
Most useful for One-Shot Color cameras; Useful for imaging emission nebulae, planetary nebulae and supernova remnants
High transmission and sharp cut-off can greatly enhance the contrast and bring out the most detailed information for those deep-sky objects
Designed to sharply cut off the inference of artificial light from sodium vapor or mercury vapor street lights and other unwanted disturbance like sky glow