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Eyepieces & Barlows

What is an eyepiece: A telescope collects the light of faint and/or distant objects and forms a fixed-size image of those objects at the telescope’s prime focus. An eyepiece is simply a small microscope that enlarges a portion of that image so you can see more detail.

The importance of good eyepieces: Every photon of light collected by a telescope passes through an eyepiece before it reaches your eye. That light is therefore afflicted by every optical problem in that eyepiece – and the cheaper the eyepiece, the more problems it is likely to have. A $10 eyepiece will make a $2000 telescope perform like a $10 toy. If your telescope’s eyepieces are the simple two-element designs labeled H (Huygenian), R (Ramsden), or SR (symmetrical Ramsden), they are basically toy eyepieces and should be replaced.

Eyepieces are half of your scope’s optical system, and usually the most complex half. They should be at least the same quality as your scope (preferably better). A good telescope won’t improve a poor eyepiece – but a good eyepiece will get the most out of a so-so scope.

What eyepiece should I get first: When buying your first eyepieces, resist the urge to immediately buy the highest powers possible. Very high powers require experienced observers and excellent seeing conditions (dark, clear, steady skies) to get the most from them. Medium power eyepieces, on the other hand, give good images over a much wider range of seeing conditions.

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  • $387.00 - $387.00
    $387.00
    $387.00 - $387.00
    $387.00

    TeleVue 10mm 1.25" 72° Field Delos Eyepiece

    TeleVue
    More on the way

    The 10mm TeleVue Delos is a "do-it-all" eyepiece designed for medium high power/high contrast solar system and deep space observing with all telesc...

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    $387.00 - $387.00
    $387.00
    $387.00 - $387.00
    $387.00
  • $273.01 - $273.01
    $273.01
    $273.01 - $273.01
    $273.01

    TeleVue 19mm Panoptic Eyepiece

    TeleVue
    More on the way

    An excellent premium-quality medium power wide field eyepiece.  The 19mm Panoptic, for example, will give you about a 1.13 degree field at 60x with...

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    $273.01 - $273.01
    $273.01
    $273.01 - $273.01
    $273.01
  • $487.00 - $487.00
    $487.00
    $487.00 - $487.00
    $487.00

    TeleVue 22mm 2" Nagler Type 4 Eyepiece

    TeleVue
    In Stock

    The TeleVue 2" 22mm Nagler Type 4 replaces the 20mm Nagler Type 2, considered by many to be the finest eyepiece ever made. How do you improve on a ...

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    $487.00 - $487.00
    $487.00
    $487.00 - $487.00
    $487.00
  • $575.01 - $575.01
    $575.01
    $575.01 - $575.01
    $575.01

    TeleVue 41mm 2" Panoptic Eyepiece

    TeleVue
    More on the way

    This is a premium-quality wide field 2" eyepiece for the serious deep space explorer. Because of its long focal length, it is at its best with tele...

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    $575.01 - $575.01
    $575.01
    $575.01 - $575.01
    $575.01
  • $618.00 - $618.00
    $618.00
    $618.00 - $618.00
    $618.00

    TeleVue 6mm 1.25"/2" 100° Field Ethos Eyepiece

    TeleVue
    In Stock

    Just like the 8mm TeleVue Ethos before it, the TeleVue 6mm Ethos eyepiece once again raises the bar for shorter focal length eyepieces. It expands ...

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    $618.00 - $618.00
    $618.00
    $618.00 - $618.00
    $618.00
  • 12mm 1.25" 72° field Delos
    $387.00 - $387.00
    $387.00
    $387.00 - $387.00
    $387.00

    TeleVue 12mm 1.25" 72° Field Delos Eyepiece

    TeleVue
    More on the way

    The 12mm TeleVue Delos puts the performance of the acclaimed TeleVue 13mm Ethos eyepiece - high contrast, a neutral color balance, and full field s...

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    $387.00 - $387.00
    $387.00
    $387.00 - $387.00
    $387.00
  • $428.00 - $428.00
    $428.00
    $428.00 - $428.00
    $428.00

    TeleVue 35mm 2" Panoptic Eyepiece

    TeleVue
    In Stock

    An excellent and physically-impressive premium-quality low power wide field 2" eyepiece for the serious deep space explorer. The Tele Vue 35mm Pano...

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    $428.00 - $428.00
    $428.00
    $428.00 - $428.00
    $428.00
  • $269.00 - $269.00
    $269.00
    $269.00 - $269.00
    $269.00

    Televue 3mm Delite 62º 1.25” Eyepiece EDE-03.0

    TeleVue
    More on the way

    The TeleVue 3mm DeLite eyepiece is a lighter, more compact, less expensive, 62° field/20mm eye relief version of the famed TeleVue Delos eyepieces,...

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    $269.00 - $269.00
    $269.00
    $269.00 - $269.00
    $269.00
  • $268.01 - $268.01
    $268.01
    $268.01 - $268.01
    $268.01

    Televue 13mm Delite 62º 1.25” Eyepiece EDE-13.0

    TeleVue
    In Stock

    The TeleVue 13mm DeLite eyepiece is a lighter, more compact, less expensive, 62° field/20mm eye relief version of the famed TeleVue Delos eyepieces...

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    $268.01 - $268.01
    $268.01
    $268.01 - $268.01
    $268.01
  • $269.00 - $269.00
    $269.00
    $269.00 - $269.00
    $269.00

    TeleVue 15mm Delite 62º 1.25” Eyepiece

    TeleVue
    More on the way

    The 15mm TeleVue DeLite eyepiece is a lighter, more compact, less expensive, 62° field/20mm eye relief version of the famed TeleVue Delos eyepieces...

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    $269.00 - $269.00
    $269.00
    $269.00 - $269.00
    $269.00
  • $657.01 - $657.01
    $657.01
    $657.01 - $657.01
    $657.01

    TeleVue 4.7mm 1.25"/2" 110° Field Ethos-SX Eyepiece

    TeleVue
    In Stock

    Nearly half a century ago, Al Nagler designed the optics for the LEM (Lunar Excursion Module) simulator that was used to train NASA astronauts how ...

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    $657.01 - $657.01
    $657.01
    $657.01 - $657.01
    $657.01
  • $229.00 - $229.00
    $229.00
    $229.00 - $229.00
    $229.00

    TeleVue 5X Powermate Image Amplifier for 1.25" Eyepieces

    TeleVue
    More on the way

    If you must wear glasses while observing, and you're looking for an ultra high power Barlow to get high magnifications from your favorite long foca...

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    $229.00 - $229.00
    $229.00
    $229.00 - $229.00
    $229.00
  • 8mm 1.25" 72° field Delos
    $387.00 - $387.00
    $387.00
    $387.00 - $387.00
    $387.00

    TeleVue 8mm 1.25" 72° Field Delos Eyepiece

    TeleVue
    In Stock

    The 8mm TeleVue Delos puts the performance of the original ground-breaking TeleVue 9mm Ethos eyepiece - high contrast, a neutral color balance, and...

    View full details
    $387.00 - $387.00
    $387.00
    $387.00 - $387.00
    $387.00
  • $121.01 - $121.01
    $121.01
    $121.01 - $121.01
    $121.01

    TeleVue 20mm Plössl Eyepiece

    TeleVue
    In Stock

    This is a very good medium power eyepiece for lunar observing, resolving globular clusters, picking up detail in emission and reflection nebulas, e...

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    $121.01 - $121.01
    $121.01
    $121.01 - $121.01
    $121.01
  • $256.00 - $256.00
    $256.00
    $256.00 - $256.00
    $256.00

    TeleVue 55mm Plössl Eyepiece

    TeleVue
    More on the way

    If you have a 2" focuser on your f/8 and longer focal ratio telescope, here's a 2" eyepiece that will give you the widest possible field of view - ...

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    $256.00 - $256.00
    $256.00
    $256.00 - $256.00
    $256.00
  • $101.00 - $101.00
    $101.00
    $101.00 - $101.00
    $101.00

    TeleVue 15mm Plössl Eyepiece

    TeleVue
    In Stock

    This is a very good medium power eyepiece for lunar observing, resolving globular clusters, picking up detail in the more compact emission and refl...

    View full details
    $101.00 - $101.00
    $101.00
    $101.00 - $101.00
    $101.00
  • $657.01 - $657.01
    $657.01
    $657.01 - $657.01
    $657.01

    TeleVue 3.7mm 1.25"/2" 110° Field Ethos-SX Eyepiece

    TeleVue
    More on the way

    Nearly half a century ago, Al Nagler designed the optics for the LEM (Lunar Excursion Module) simulator that was used to train NASA astronauts how ...

    View full details
    $657.01 - $657.01
    $657.01
    $657.01 - $657.01
    $657.01
  • $387.00 - $387.00
    $387.00
    $387.00 - $387.00
    $387.00

    TeleVue 17.3mm 1.25" 72° Field Delos Eyepiece

    TeleVue
    More on the way

    The 17.3mm TeleVue Delos is a "do-it-all" eyepiece designed for medium power/high contrast solar system and deep space observing with all telescope...

    View full details
    $387.00 - $387.00
    $387.00
    $387.00 - $387.00
    $387.00
  • $100.01 - $100.01
    $100.01
    $100.01 - $100.01
    $100.01

    TeleVue 11mm Plössl Eyepiece

    TeleVue
    In Stock

    This is a very good medium high to high power eyepiece (the power depends on the focal length of your scope) for resolving globular clusters, picki...

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    $100.01 - $100.01
    $100.01
    $100.01 - $100.01
    $100.01
  • 4.5mm 1.25" 72° field Delos
    $386.01 - $386.01
    $386.01
    $386.01 - $386.01
    $386.01

    TeleVue 4.5mm 1.25" 72° Field Delos Eyepiece

    TeleVue
    More on the way

    The 4.5mm TeleVue Delos combines high image quality and high power with a long 20mm eye relief that makes it ideal for eyeglass wearers. The majori...

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    $386.01 - $386.01
    $386.01
    $386.01 - $386.01
    $386.01
  • $658.00 - $658.00
    $658.00
    $658.00 - $658.00
    $658.00

    TeleVue 10mm 1.25"/2" 100° Field Ethos Eyepiece

    TeleVue
    In Stock

    The 10mm TeleVue Ethos is a "do-it-all" eyepiece that is perfect for all telescopes that can utilize this focal length. And, as it fills the hole b...

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    $658.00 - $658.00
    $658.00
    $658.00 - $658.00
    $658.00
  • $229.00 - $229.00
    $229.00
    $229.00 - $229.00
    $229.00

    TeleVue 2X Big Barlow for 2" Eyepieces, with 1.25" Eyepiece Adapter

    TeleVue
    In Stock

    This 2" 2x Clamp Ring Big Barlow can be used with any telescope using a 2" focuser. As it is only 4.5" long, it can also be used in most 2" star di...

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    $229.00 - $229.00
    $229.00
    $229.00 - $229.00
    $229.00
  • 14mm 1.25" 72° field Delos
    $386.01 - $386.01
    $386.01
    $386.01 - $386.01
    $386.01

    TeleVue 14mm 1.25" 72° Field Delos Eyepiece

    TeleVue
    In Stock

    The 14mm TeleVue Delos puts the optical virtues of a TeleVue Ethos eyepiece - high contrast, a neutral color balance, and full field sharpness - in...

    View full details
    $386.01 - $386.01
    $386.01
    $386.01 - $386.01
    $386.01
  • $794.01 - $794.01
    $794.01
    $794.01 - $794.01
    $794.01

    TeleVue 17mm 2" 100° Field Ethos Eyepiece

    TeleVue
    In Stock

    The 17mm TeleVue Ethos 100° field eyepiece is designed for no-holds-barred medium power deep space use with telescopes having focal ratios down to ...

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    $794.01 - $794.01
    $794.01
    $794.01 - $794.01
    $794.01

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