$85.00
The Moonglow & Skyglow filter is designed to darken the background sky by blocking light transmission from skyglow (589nm) and many street light emissions from artificial light. Its high efficiency preserves image brightness, reveals more details and increases contrast of moon, galaxies, nebulae and globular star clusters.
it is quite a versatile filter for visual observation and astrophotography on planetary nebula
This filter is sized to fit 2" eyepieces.