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Ten millimeters splits the difference between deep-sky and planetary magnification — high enough to resolve globular clusters and show structure in...

Four millimeters is the extreme end of useful magnification in a 1.25" eyepiece — the one you reach for when the atmosphere is dead calm and the pl...

The 13mm is the transition point — high enough magnification to show real detail in globular clusters and planetary nebulae, low enough to hold a u...

Sixteen millimeters is the all-rounder focal length in a 1.25" barrel. In a 10-inch f/5 Dob, it gives you 78x — high enough to darken the sky backg...

This Explore Scientific 24mm argon-purged eyepiece has a wide 68° field that gives impressively sharp and contrasty medium power images with virtua...

The "picture window on space" viewing experience of this 82° field Explore Scientific 11mm 1.25" argon-purged eyepiece gives you the magnification ...

This Explore Scientific 16mm argon-purged eyepiece is a truly fine medium power eyepiece with a substantial 68° field of view that can provide a co...

This medium power 14mm Explore Scientific 82° field argon-purged eyepiece will show you surprisingly wide deep space panoramas with any type or foc...

Explore Scientific 6.5mm 82° 1.25" LER Eyepiece – A Premium Wide-Field Experience with Superior Comfort When it comes to high-performance eyepieces...

This Explore Scientific 20mm argon-purged waterproof eyepiece is a fine medium power 1.25" eyepiece whose substantial 68° field of view gives you "...

This four-element 1.25" 2x Explore Scientific focal extender (Barlow lens) has an exceptionally flat field and essentially no color fringing with a...

Explore Scientific 5.5mm 62° Series 1.25" Waterproof Eyepiece If you’re looking to pull in crisp planetary detail, split tight double stars, or ta...

Explore Scientific 3mm 52° Series Argon-Purged Eyepiece If you're looking for an ultra-high magnification eyepiece to push your telescope to its li...

Explore Scientific 30mm 52° Series Argon-Purged Waterproof Eyepiece The Explore Scientific 30mm 52° Series eyepiece offers an exceptional balance o...

Explore Scientific 6.5mm 52° Argon-Purged Waterproof Eyepiece A high-quality eyepiece is one of the best investments you can make in your telescope...

Explore Scientific 9mm 62° 1.25" Waterproof Eyepiece The Explore Scientific 9mm 62° Series 1.25" eyepiece brings together solid performance, qualit...

Explore Scientific 4.5mm 52° Series Argon-Purged Eyepiece Precision optics and comfortable viewing come together in the Explore Scientific 4.5mm 52...

This new four-element 1.25" 3x Explore Scientific focal extender (Barlow lens) triples the power of any eyepiece used with it, with flat-field and ...

Explore Scientific 26mm 62° 1.25" Waterproof Eyepiece The Explore Scientific 26mm 62° Series Eyepiece offers a perfect balance of generous eye reli...

Explore Scientific 20mm 62° 1.25" Waterproof Eyepiece The Explore Scientific 20mm 62° Series Eyepiece offers an outstanding blend of comfort, optic...

Explore Scientific 25mm 52° Argon-Purged Eyepiece – Exceptional Optical Performance for Deep Sky and Solar System Observing When it comes to select...

Explore Scientific 10mm 52° Series Argon-Purged Eyepiece For astronomers who value precision, contrast, and durability in a compact form, the Explo...

Explore Scientific 15mm 52° Argon-Purged Eyepiece For amateur and experienced astronomers alike, the Explore Scientific 15mm 52° Series Eyepiece is...

For high power with a short focal length refractor or reflector, this Explore Scientific four-element 5x image amplifier (Barlow lens) is hard to b...