Optolong Moon and Skyglow Filter 1.25 2459313 A parabolic or more accurately

A parabolic or more accurately a "paraboloidal" mirror

The two eyepieces offer different magnifications to view your intended object

Tonights Best Sky Tour

You’ll get impressive views of the Moon and planets

excellent image results have been seen of the lunar surface whilst the sun is still 35 degrees above the horizon

Optolong Moon and Skyglow Filter 1.25 2459313 A parabolic or more accuratelyOptolong Moon and Skyglow Filter 1. 25 Optolong Moon & 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. Main Use Ideally it is quite versatile filter for visual observation and astrophotography on