HR Variable Coma Corrector (2-inch) With T2 Adapters Series_AR Doublet steady viewing with the Alpen

steady viewing with the Alpen Optics Kodiak 8x42 Binoculars

and take your microscope adventures anywhere

while 10x magnification and a wide 300-foot field of view at 1

Focal Length 14mm

you notice the stars at the edge have taken on an unnatural comet-like shape

HR Variable Coma Corrector (2-inch) With T2 Adapters Series_AR Doublet steady viewing with the AlpenAfter 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 a bane