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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 25mm 52° Series Waterproof Eyepiece

$129.99

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 25mm Plössl

$121.01

5 Review(s)

This is a very good medium to low power eyepiece for lunar observing, viewing emission and reflection nebulas in their entirety, etc. It's super with an f/4.5 Dobsonian reflector for rich field scanning of the Milky Way star clouds in Sagittarius from a dark sky site . . .
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Lunt 7.2mm to 21.5mm zoom

$238.00

5 Review(s)

While the 7.2mm to 21.5mm focal length of this Lunt Solar zoom eyepiece specifically complements the Lunt H-alpha refractors for solar observing, it works equally well for nighttime astronomical observing . . .
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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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Takahashi Starbase 18mm 1.25" Ortho Eyepiece

$45.00

1 Review(s)

Orthoscopic eyepieces have been a gem of astronomy for decades. See what the fuss is all about with the Takahashi Starbase series.
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Tele Vue 2.5X Powermate image amplifier for 1.25" eyepieces

$228.01

13 Review(s)

While not technically a Barlow, this unique new 4-lens 2.5x image amplifier performs the same functions, but at a higher level of optical correction. Barlow lenses have a negative power that diverges field rays, lengthening the effective focal length of the telescope and increasing the magnification. If Barlows are made too short or with too much magnification, the diverging rays can cause severe . . .
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Celestron 12mm X-Cel LX Series 1.25"

$99.95

4 Review(s)

This medium focal length 12mm Celestron X-Cel LX Series six-element eyepiece is usable for high quality medium to medium high magnification observing and imaging with any scope type, under virtually any seeing conditions.
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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.
Save $15.00

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Astro-Tech 5.5mm 1.25" PF Eyepiece

Regular Price: $55.00

Special Price $40.00

1 Review(s)

This Astro-Tech 5.5mm PF series eyepiece has excellent eyerelief and a fantastic flat field to further enhance your viewing pleasure.
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Tele Vue 3.5mm Nagler Type 6

$334.01

This is an exceptional-quality and very short focal length ultra wide field eyepiece . . .