The SV220 H-Alpha 3nm and O-III 3nm Dual-Narrowband Filter enhances astrophotography by reducing stray light and light pollution. With a wide cutoff range of 300 - 1050nm and an average OD5, it effectively reduces stray light and light pollution, enhancing image clarity. Its 3±1nm bandwidth make celestial details clearer. With minimal halo coating, it ensures sharp, high-contrast images. Available in 1.25-inch and 2-inch, it’s suitable for capturing deep-sky objects.
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