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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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Explore Scientific 14mm 82° field argon-purged waterproof 1.25" eyepiece

$229.99

11 Review(s)

This medium power 14mm Explore Scientific 82° field argon-purged eyepiece will show you surprisingly wide deep space panoramas with any type or focal ratio telescope.
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Explore Scientific 11mm 82° field argon-purged waterproof 1.25" eyepiece

$229.99

13 Review(s)

The "picture window on space" viewing experience of this 82° field Explore Scientific 11mm 1.25" argon-purged eyepiece gives you the magnification you want, without cramping your field of view like an ordinary high power eyepiece.
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Explore Scientific 40mm 68° field argon-purged waterproof 2" eyepiece

$519.99

4 Review(s)

If you have room in your observing kit for only one long focal length wide angle eyepiece, this Explore Scientific 40mm argon-purged eyepiece may well be the one eyepiece for you.
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Explore Scientific 34mm 68° field argon-purged waterproof 2" eyepiece

$419.99

4 Review(s)

This Explore Scientific 34mm argon-purged 2" is a big eyepiece - big in size, big in weight, big in field of view, big in performance. It gives you impressively sharp high contrast images with virtually any telescope with a focal ratio of f/5 and above that uses 2" eyepieces.
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Explore Scientific 28mm 68° field argon-purged waterproof 2" eyepiece

$299.99

10 Review(s)

This Explore Scientific 28mm argon-purged is a substantial 2" eyepiece that gives impressively sharp and contrasty wide field views of nebulas, compact open clusters, globular clusters, etc. with virtually any telescope that can use 2" eyepieces.
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Explore Scientific 24mm 68° field argon-purged waterproof 1.25" eyepiece

$269.99

17 Review(s)

This Explore Scientific 24mm argon-purged eyepiece has a wide 68° field that gives impressively sharp and contrasty medium power images with virtually any telescope, from short focal length refractor to long focal length Maksutov.
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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 16mm 68° field argon-purged waterproof 1.25" eyepiece

$219.99

2 Review(s)

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 comfortable "picture window onto space" viewing experience with virtually any telescope type.
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Tele Vue 3.5mm 1.25" 72° field Delos

$386.01

1 Review(s)

The 3.5mm TeleVue Delos eyepiece brings acclaimed Ethos image quality to a long eye relief 72° field eyepiece for comfortable eyeglass use during very high power planetary, lunar, and binary star observing . . .
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Explore Scientific 25mm 100° field argon-purged waterproof 2" eyepiece

$999.99

4 Review(s)

The 100° apparent field of this Explore Scientific first-of-its-kind 25mm argon-purged waterproof 2" eyepiece provides superb maximum field/medium power observing in all scopes, from small apo refractors to the largest Dobsonians and catadioptrics.