HR Variable Coma Corrector (2-inch) Focal Length_2. 11mm - 20mm This is a field flattener

This is a field flattener for refractor-type telescopes with a focal ratio of f/5 to f/7

and durable enhanced multilayer deposition (EMD) coatings

making it ideal for beginners

this hoodie blends science and style for passionate astronomers and space lovers alike

And if you want to dive deep into astrophotography

HR Variable Coma Corrector (2-inch) Focal Length_2. 11mm - 20mm This is a field flattenerThis model does not come with the adapters that allow for a direct screw on connection to a camera. It can be used with a camera by using a 2 inch to 1. 25 inch adapter, SKU 510365, and the appropriate T2 adapter for your camera. 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