2" Barrel

Features Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay a...

Features Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay a...

Description The Explore Scientific 9mm 120° Series eyepiece really is in a class by itself. The 120° apparent field of view is unlike anything you...

Description Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer depos...

Description Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer depos...

Description Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer depos...

Description The 24mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-medium power magnification class providing...

Description “I just recently purchased my first E.S. telescope after owning a couple fantastic E.S. eyepieces. I have the 6.7mm & 30mm 82° ey...

Features Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay a...

Features Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay a...

*Note that this is a discontinued product. This legacy information is for reference only. See our 100° Eyepiece Collection for current products. D...

Description The 18mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-medium power magnification class providing...