Eyepieces

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

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

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

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

The new eyepiece design represent a major advance compared to the original Plössl and Super-Plössl design. The five element design features tack sh...

The 11mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-medium power magnification class providing both super-w...

The 14mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-medium power magnification class providing both super-w...

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

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

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

With its particularly long eye relief of 15.9mm, the 4.5mm LER ocular from Explore Scientific’s 82° Series of Argon-Purged Waterproof Eyepieces put...

With its impressively long eye relief of 16.8mm, the 6.5mm LER ocular from Explore Scientific’s 82° Series of Argon-Purged Waterproof Eyepieces put...

With its long eye relief of 15mm, the 8.5mm LER ocular from Explore Scientific’s 82° Series of Argon-Purged Waterproof Eyepieces puts the focus on ...

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 92° Series eyepieces are hyper-wide class oculars that can transform...

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 92° Series eyepieces are hyper-wide class oculars that can transform...

Lunt flat-field eyepieces are coated with 0.1% anti-reflective coatings – the same coatings we use on our etalons! Use these eyepieces for nightti...

Lunt flat-field eyepieces are coated with 0.1% anti-reflective coatings – the same coatings we use on our etalons! Use these eyepieces for nightti...

Lunt flat-field eyepieces are coated with 0.1% anti-reflective coatings – the same coatings we use on our etalons! Use these eyepieces for nightti...

Lunt flat-field eyepieces are coated with 0.1% anti-reflective coatings – the same coatings we use on our etalons! Use these eyepieces for nightti...

Lunt flat-field eyepieces are coated with 0.1% anti-reflective coatings – the same coatings we use on our etalons! Use these eyepieces for nightti...

Lunt 7.2 mm – 21.5mm Zoom Telescope Eyepiece Lunt flat-field eyepieces are coated with 0.1% anti-reflective coatings – the same coatings we use on...

The gigantic field of view (100°) of the TS XWA eyepiecesWith best contrast will pleasure your eyes with unforgettable views - thanks to the extens...

CatEye 10mm 60 degree 16mm: Long Eye Relief flat field Perfect eyepiece for RedCat 51(On RedCat 51 has power x25)

William Optics is proud to introduce the SPL (Super Planetary Long eye-relief) eyepieces. This new Planetary Eyepiece series is designed for users...