HR Variable Coma Corrector (2-inch) With T2 Adapters families Smooth slow-motion controls allow for

Smooth slow-motion controls allow for fine adjustments

sharp views of the Moon's craters

and a red dot finder for easy navigation

The National Geographic Deluxe Adventure Set is a comprehensive toolkit for curious minds eager to explore both the wonders of the night sky and the mysteries of the microscopic world

and a color filter wheel for enhanced viewing of colorless or transparent samples

HR Variable Coma Corrector (2-inch) With T2 Adapters families Smooth slow-motion controls allow forAfter 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