And they’re frickin’ awesome. Some numbers: The leather is actually bolted to the eyepieces, using 48 tiny bolts plus another four for the nosepiece.

Thinking of investing in a new eyepiece? We've got you covered with our guide to the best eyepieces for telescopes. Keep an eye out for Prime Day bargains, too.

Celestron’s Deluxe Zoom Eyepiece 8–24mm works in both 2″ and 1¼” focusers. The eyepiece’s apparent field of view varies between 43° and 66°, and eye relief ranges from 15mm to 20mm.