Skip to content

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.

Filters

  • Original price $65.00 - Original price $65.00
    Original price
    $65.00
    $65.00 - $65.00
    Current price $65.00

    Astro-Tech 12mm 1.25" Paradigm Dual ED Eyepiece

    Astro-Tech
    More on the way

    This Astro-Tech 12mm Paradigm Dual ED medium power eyepiece has outstanding performance at a price that will make you wonder why other good quality...

    View full details
    Original price $65.00 - Original price $65.00
    Original price
    $65.00
    $65.00 - $65.00
    Current price $65.00
  • Original price $279.95 - Original price $279.95
    Original price
    $279.95
    $279.95 - $279.95
    Current price $279.95

    Astro-Tech 13mm 100° Field Waterproof 1.25"/2" Eyepiece

    Astro-Tech
    In Stock

    The Astro-Tech 13mm o-ring sealed 1.25"/2" eyepiece combines a high power capability with a 100° apparent field to provide a jaw-dropping observing...

    View full details
    Original price $279.95 - Original price $279.95
    Original price
    $279.95
    $279.95 - $279.95
    Current price $279.95
  • Original price $119.95
    Original price $119.95 - Original price $119.95
    Original price $119.95
    Current price $99.95
    $99.95 - $99.95
    Current price $99.95

    Astro-Tech 13mm UWA 82° 1.25" Eyepiece

    Astro-Tech
    In Stock

    This 13mm Astro-Tech 82° field eyepiece will show you surprisingly wide deep space panoramas with any type or focal ratio telescope. This 82° 13mm ...

    View full details
    Original price $119.95
    Original price $119.95 - Original price $119.95
    Original price $119.95
    Current price $99.95
    $99.95 - $99.95
    Current price $99.95
    Save $20.00 Save $0.00
  • Original price $40.00 - Original price $40.00
    Original price
    $40.00
    $40.00 - $40.00
    Current price $40.00

    Astro-Tech 10.5mm 1.25" PF Eyepiece

    Astro-Tech
    In Stock

    This Astro-Tech 10.5mm PF series eyepiece has excellent eyerelief and a fantastic flat field to further enhance your viewing pleasure. This Astro-T...

    View full details
    Original price $40.00 - Original price $40.00
    Original price
    $40.00
    $40.00 - $40.00
    Current price $40.00
  • Original price $229.99 - Original price $229.99
    Original price
    $229.99
    $229.99 - $229.99
    Current price $229.99

    Explore Scientific 11mm 82° Field Argon-Purged Waterproof 1.25" Eyepiece

    Explore Scientific
    More on the way

    The "picture window on space" viewing experience of this 82° field Explore Scientific 11mm 1.25" argon-purged eyepiece gives you the magnification ...

    View full details
    Original price $229.99 - Original price $229.99
    Original price
    $229.99
    $229.99 - $229.99
    Current price $229.99
  • Original price $335.00 - Original price $335.00
    Original price
    $335.00
    $335.00 - $335.00
    Current price $335.00

    TeleVue 13mm Nagler Type 6 Eyepiece

    TeleVue
    In Stock

    This premium 1.25" eyepiece from Al Nagler uses seven optical elements for optimized performance across a very wide 82° field of view. Its wide fie...

    View full details
    Original price $335.00 - Original price $335.00
    Original price
    $335.00
    $335.00 - $335.00
    Current price $335.00
  • Original price $268.01 - Original price $268.01
    Original price
    $268.01
    $268.01 - $268.01
    Current price $268.01

    Televue 11mm Delite 62° 1.25" Eyepiece

    TeleVue
    In Stock

    The TeleVue 11mm DeLite eyepiece is a lighter, more compact, less expensive, 62° field/20mm eye relief version of the famed TeleVue Delos eyepieces...

    View full details
    Original price $268.01 - Original price $268.01
    Original price
    $268.01
    $268.01 - $268.01
    Current price $268.01
  • Original price $657.01 - Original price $657.01
    Original price
    $657.01
    $657.01 - $657.01
    Current price $657.01

    TeleVue 13mm 1.25"/2" 100° Field Ethos

    TeleVue
    More on the way

    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 ...

    View full details
    Original price $657.01 - Original price $657.01
    Original price
    $657.01
    $657.01 - $657.01
    Current price $657.01
  • Original price $104.95 - Original price $104.95
    Original price
    $104.95
    $104.95 - $104.95
    Current price $104.95

    Celestron Crossaim 12.5mm Dual Crosshair Plössl Eyepiece 93235

    Celestron
    More on the way

    This Celestron "CrossAim" 12.5mm illuminated reticle eyepiece has dual crosshairs for use with any make or model telescope and/or off-axis guider. ...

    View full details
    Original price $104.95 - Original price $104.95
    Original price
    $104.95
    $104.95 - $104.95
    Current price $104.95
  • Original price $99.95 - Original price $99.95
    Original price
    $99.95
    $99.95 - $99.95
    Current price $99.95

    Celestron 12mm X-Cel LX Series 1.25" Eyepiece

    Celestron
    In Stock

    This medium focal length 12mm Celestron X-Cel LX Series six-element eyepiece is usable for high quality medium to medium high magnification observi...

    View full details
    Original price $99.95 - Original price $99.95
    Original price
    $99.95
    $99.95 - $99.95
    Current price $99.95
  • Original price $268.01 - Original price $268.01
    Original price
    $268.01
    $268.01 - $268.01
    Current price $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...

    View full details
    Original price $268.01 - Original price $268.01
    Original price
    $268.01
    $268.01 - $268.01
    Current price $268.01
  • Original price $386.01 - Original price $386.01
    Original price
    $386.01
    $386.01 - $386.01
    Current price $386.01

    TeleVue 12mm 1.25" 72° Field Delos Eyepiece

    TeleVue
    In Stock

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

    View full details
    Original price $386.01 - Original price $386.01
    Original price
    $386.01
    $386.01 - $386.01
    Current price $386.01
  • Original price $100.01 - Original price $100.01
    Original price
    $100.01
    $100.01 - $100.01
    Current price $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...

    View full details
    Original price $100.01 - Original price $100.01
    Original price
    $100.01
    $100.01 - $100.01
    Current price $100.01
  • Original price $799.99 - Original price $799.99
    Original price
    $799.99
    $799.99 - $799.99
    Current price $799.99

    Explore Scientific 12mm 92° Field Argon-Purged Waterproof 2" Eyepiece

    Explore Scientific
    More on the way

    This 2" 12mm 92° field Explore Scientific hyper-wide eyepiece provides an exceptionally immersive medium/medium high power observing experience. Yo...

    View full details
    Original price $799.99 - Original price $799.99
    Original price
    $799.99
    $799.99 - $799.99
    Current price $799.99
  • Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95

    Celestron Omni 12mm 1.25" Plossl Eyepiece 93319

    Celestron
    In Stock

    This Celestron Omni is a good quality medium power eyepiece at a good low price. It's designed for detailed lunar observing, for getting up close a...

    View full details
    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95
  • Original price $279.00 - Original price $279.00
    Original price
    $279.00
    $279.00 - $279.00
    Current price $279.00

    Vernonscope 12mm Brandon "Flat Top" Eyepiece

    Vernonscope
    More on the way

    The 12mm Vernonscope Brandon "flat top" eyepiece is designed for high power use with any telescope type, at focal ratios f/7 and above. It provides...

    View full details
    Original price $279.00 - Original price $279.00
    Original price
    $279.00
    $279.00 - $279.00
    Current price $279.00
  • Original price $300.00 - Original price $300.00
    Original price
    $300.00
    $300.00 - $300.00
    Current price $300.00

    Questar 12mm Brandon Eyepiece

    Questar
    More on the way

    This is an excellent medium high to high power eyepiece (108x and 162x in the 3.5" Questar) for observing lunar and planetary detail, resolving glo...

    View full details
    Original price $300.00 - Original price $300.00
    Original price
    $300.00
    $300.00 - $300.00
    Current price $300.00
  • Original price $279.00 - Original price $279.00
    Original price
    $279.00
    $279.00 - $279.00
    Current price $279.00

    Vernonscope 12mm Brandon Eyepiece

    Vernonscope
    More on the way

    The 12mm Vernonscope Brandon eyepiece is designed for high power use with any telescope type, at focal ratios f/7 and above. It provides highly det...

    View full details
    Original price $279.00 - Original price $279.00
    Original price
    $279.00
    $279.00 - $279.00
    Current price $279.00

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare