With a huge apparent field of view, Explore Scientific’s 100-degree eyepieces are one of the best values in amateur astronomer. And from now until December 31, these eyepieces are even better because they’re on sale at a substantial savings. With focal lengths from 5.5mm to 25mm, these big oculars offer ‘spaceship’ views of the deep sky, and they’re gas purged and waterproof to ensure clear and crisp views even on humid nights. The sale also includes a set of 5.5mm, 9mm, and 14-mm 100-degree eyepieces with a soft case.

And save some money on Explore Scientific focal extenders, both in 2” and 1.25” barrels with 2x, 3x, and 5x magnification. They’re a great way to get more out of your current eyepiece collection, and they’re precision crafted and fully multicoated to ensure bright images and good contrast.

Shop Explore Scientific now.