Explore Scientific 2" HR Coma Corrector for Newtonians

Explore Scientific 2" Coma Corrector Introducing this High quality and functional 2" Coma Corrector by Explore Scientific. After hours at the eyepiece, you finally view the fruits of your astrophotography labors—the stars in the center of the field pop like sharp, accurate points of light. But as you analyze the image, you notice the stars at the edge have taken on an unnatural comet-like shape, and a coma has marred your long night. Coma - This is a common plague of the Newtonian reflector design and its annoying presence at the outskirts of an image can be a bane for astronomers of all levels.Explore Scientific's HR Variable Coma Corrector is a high-performance optical corrector designed by world-famous visual designer Harrie Rutten. It will help you minimize or eliminate image aberrations caused by this off-axis optical phenomenon in fast Newtonians. This 2-inch coma corrector is EMC Coated to reduce internal reflections. Its spacer with markings allows you to use the device on almo