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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 5.5mm 100° field waterproof 2" eyepiece

$549.99

3 Review(s)

The Explore Scientific 5.5mm argon-purged waterproof 2" eyepiece combines a high power capability with a 100° apparent field to provide a jaw-dropping observing experience in your telescope.
Save $80.02

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Explore Scientific 62° 32mm 2" Waterproof Eyepiece

Regular Price: $229.99

Special Price $149.97

1 Review(s)

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value.
Save $200.02

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Explore Scientific 20mm 100° field waterproof 2" eyepiece

Regular Price: $799.99

Special Price $599.97

11 Review(s)

The 100° apparent field of the Explore Scientific 20mm waterproof 2" eyepiece provides superb maximum field/medium power observing in all scopes, from small apo refractors to the largest Dobsonians and catadioptrics . . .
Save $50.02

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Explore Scientific 62° 5.5mm 1.25" Waterproof Eyepiece

Regular Price: $149.99

Special Price $99.97

1 Review(s)

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value.
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Explore Scientific 9mm 120° field argon-purged waterproof 2" eyepiece

$1,299.99

1 Review(s)

A first from Explore Scientific, this 2" 9mm deep sky eyepiece has an immense 120° field that seems to make your telescope disappear and plunge you headfirst into the Universe . . .
Save $50.02

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Explore Scientific 10mm 52° Series Waterproof Eyepiece

Regular Price: $119.99

Special Price $69.97

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.
Save $70.02

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Explore Scientific 20mm 68° field argon-purged waterproof 1.25" eyepiece

Regular Price: $219.99

Special Price $149.97

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.
Save $60.02

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Explore Scientific 40mm 52° Series Waterproof Eyepiece

Regular Price: $179.99

Special Price $119.97

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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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.
Save $140.02

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Explore Scientific 24mm 82° field argon-purged waterproof 2" eyepiece

Regular Price: $439.99

Special Price $299.97

15 Review(s)

This 82° field Explore Scientific 24mm 2" argon-purged waterproof eyepiece makes observing feel like you're relaxing in front of a picture window on the Universe, rather than squinting through an eyepiece.