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Eyepieces & Barlows

The first accessories people buy for their telescope are additional eyepieces or a Barlow, to increase the magnification possibilities of their new scope. If you already know all about eyepieces and Barlows, you can click on the appropriate manufacturers below to find descriptions, specifications, pictures, and pricing on all the eyepieces and Barlows we carry.

If you're new to astronomy, or have questions about which eyepieces or Barlows are best for your scope, click on the "How to pick an eyepiece" and "How to pick a Barlow" sections for more practical information about choosing these optical accessories than you really wanted to know.

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Tele Vue 21mm 2" 100° field Ethos

$893.01

5 Review(s)

The 100° apparent field of this new TeleVue 21mm Ethos eyepiece provides a field area 64% larger than the "space-walking" 82° field of a 20mm Nagler, and 36% larger than a 22mm Nagler . . .
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Explore Scientific 20mm 68° field argon-purged waterproof 1.25" eyepiece

$219.99

10 Review(s)

This Explore Scientific 20mm argon-purged waterproof eyepiece is a fine medium power 1.25" eyepiece whose substantial 68° field of view gives you "big picture" deep space performance with virtually any telescope type.
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Explore Scientific 6.7mm 82° field argon-purged waterproof 1.25" eyepiece

$229.99

13 Review(s)

This high power 6.7mm Explore Scientific 82° argon-purged waterproof eyepiece will show you surprisingly wide deep space panoramas, even with short focal length/fast focal ratio refractors and Dobsonian scopes.
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Explore Scientific 6.5mm 52° Series Waterproof Eyepiece

$119.99

2 Review(s)

Looking for something out of the ordinary for your next eyepiece? The Explore Scientific 52° series is a strong contender for necessary addition to your eyepiece collection.
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Tele Vue 13mm 1.25"/2" 100° field Ethos

$657.01

13 Review(s)

The 100° apparent field of this new TeleVue 13mm Ethos eyepiece provides a field area more than 50% larger than the "space-walking" 82° field of a 13mm Nagler . . .
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Astro-Tech 4.8mm 110° field waterproof 1.25"/2" eyepiece

$279.95

1 Review(s)

The Astro-Tech 4.8mm o-ring sealed 1.25"/2" eyepiece combines a high power capability with a 110° apparent field to provide a jaw-dropping observing experience in your telescope at a price that is unreal.
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Astro-Tech 8mm 1.25" Paradigm Dual ED

$65.00

19 Review(s)

This Astro-Tech 8mm Paradigm Dual ED eyepiece has excellent color fidelity and contrast, exceptionally low distortion, and a low price that will make you wonder why others charge more for less high power performance . . .
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Explore Scientific 8.5mm LER 82° field argon-purged waterproof 1.25" eyepiece

$269.99

1 Review(s)

This 8.5mm Explore Scientific LER 82° field argon-purged waterproof eyepiece is the right focal length to give you very useful exit pupil sizes and magnifications with all scope types and focal ratios - f/10 Schmidt-Cassegrains, short focal length f/6 refractors, and f/4.5 Dobsonian reflectors alike.
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Tele Vue 10mm 1.25"/2" 100° field Ethos

$657.01

8 Review(s)

This TeleVue 10mm Ethos eyepiece has a huge 100° apparent field of view that provides the some of the most spectacular and impressive wide field deep space images you will ever see through your telescope . . .
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Tele Vue 4.7mm 1.25"/2" 110° field Ethos-SX

$657.01

6 Review(s)

The TeleVue 4.7mm Ethos-SX eyepiece shows you the same unrestricted 110° view of space and the Moon that the Apollo astronauts saw when they trained to land on the Moon for a true out-of-this-world observing experience . . .