ES Coma Corrector Wi-Fi 25" Diamater Barrel

25" Diamater Barrel

Weight is minimal to keep the whole setup light and portable

StellarVue:  SV4

and also prevents chemical reactions with other elemental contaminants that may be introduced through a weakened seal

Blacken edges: All lens elements have blacken edges to minimize internal reflection and maximize contrast

ES Coma Corrector Wi-Fi 25" Diamater BarrelFeatures After hours at the eyepiece, you finally get to view the fruits of your astrophotography labors. The stars in the center of the field pop like brilliant precise points of light. But as you survey the image, you notice the stars at the edge have taken on an unnatural comet like shape. Your long night has been marred by coma. Coma is a common plague of the Newtonian reflector design, and its annoying presence at the outskirts of an image can be