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Eyepieces

The specifications of a telescope are NOT the only specs that matter. The other half of the equation is the specifications of the eyepiece. Telescope eyepieces are made in different models and sizes to accommodate different observing methods and celestial objects. For example, understanding the focal length of your optical tube divided by the focal length of your eyepiece will result in magnification, which in return can tell you whether it is more suitable for deep space low surface brightness observation or planetary/terrestrial high surface brightness observation. For example, if you wanted to observe an object such as the Andromeda Galaxy with a large apparent diameter, an eyepiece with a long focal length and large apparent field of view would excel over an eyepiece with a shorter focal length and small apparent field of view because it would be able to accommodate the size of the object at low magnification and high FOV while not getting dimmer images as you would with short focal lengths. If you plan on observing planets, a short focal length eyepiece with a small FOV will result in high magnification to observe details on the surface (eg. Great Red Spot). You'll get a dimmer image, but since planets are already bright as it is, this won't be an issue. - Note: Almost all eyepieces come in 2" or 1.25" barrel size forms.

 


Telescope Focal Length

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  1. 93421

    Celestron - 5mm X-Cel LX Eyepiece - 1.25"

    The newly enhanced X-Cel LX eyepiece series is what you've been waiting for in a high quality eyepiece for planetary viewing.

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    Model#: CEL-93421
    $79.95

  2. Explore Scientific - 20mm 100° Series Nitrogen Purged Waterproof Eyepiece - 2"

    Explore Scientific - 20mm 100° Series Nitrogen Purged Waterproof Eyepiece - 2"

    Explore Scientific 100 degree eyepieces offer an otherworldly viewing experience with their ultra wide apparent field of view.  The 20mm 100 degree eyepiece has a 2" barrel, each lens surface is fully multi-coated and the interior is nitrogen purged for a completely waterproof eyepiece. By waterproofing the eyepiece, you'll never have to worry about fogging, mold or mildew, or errant cleaning fluid entering the eyepiece for crystal clear optics for life.   Explore Scientific stands by their eyepieces with a full lifetime warranty! 

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    Model#: EPWP10020-00
    $399.99

  3. Orion - MegaView Ultra-Wide 4mm Eyepiece

    Orion - MegaView Ultra-Wide 4mm Eyepiece

    This 1.25" 4mm eyepiece boasts a 17mm ocular lens diameter and 12mm eye relief

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    Model#: ORI-08852
    $197.95

  4. TeleVue - 19mm Panoptic Eyepiece

    TeleVue - 19mm Panoptic Eyepiece

    Size, weight and performance make the 19mm an ideal mid power chioce. Ideal "soul-mate" to Bino Vue. Parfocal with 15mm and other smaller Plssls and Naglers.

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    Model#: EPO-19.0
    $245.00

  5. Orion - Long Eye Relief 18mm Telescope Eyepiece

    Orion - Long Eye Relief 18mm Telescope Eyepiece

    Moderate-power 18mm telescope eyepiece ideal for sharp, clear views of the cosmosVery long 20mm eye relief makes each view comfortable, with or without eyeglassesNice 55° apparent field of view gives you a large window to the cosmosProv ... Learn More
    Model#: ORI-07848
    $99.95

  6. Takahashi Abbe 9mm Orthoscopic Eyepiece

    Takahashi - Abbe 9mm Orthoscopic Eyepiece

    Takahashi has just re-introduced their line of Abbe Orthoscopic eyepieces.

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    Model#: TKA00701
    $153.00

  7. PrimaLuceLab LE Planetary 3mm Eyepiece

    PrimaLuce Lab - LE Planetary 3mm Eyepiece

    Eyepieces that generate high contrast images are key to excellent telescope observing! The PrimaLuceLab LE Planetary Eyepieces offer high contrast and 20mm eye relief: all at a great price and offer excellent eye relief for easier observing to the user.

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    Model#: LE-3
    $117.00

  8. Baader Planetarium 8-24mm Hyperion ClickStop Zoom Mark III Eyepiece

    Baader Planetarium - 8-24mm Hyperion ClickStop Zoom Mark III Eyepiece

    The Baader Hyperion 8-24mm Clickstop Zoom continues the Hyperion tradition of delivering top-of-class performance and quality, at very reasonable prices

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    Model#: 2454824
    $289.00

  9. HYP-5

    Baader Planetarium - 5mm Hyperion 68° Eyepiece

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: 2454605
    $147.00

  10. Baader Planetarium 8mm Hyperion 68° Eyepiece

    Baader Planetarium - 8mm Hyperion 68° Eyepiece

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: 2454608
    $147.00

  11. Baader Planetarium - 24mm Hyperion 68° Eyepiece

    Baader Planetarium - 24mm Hyperion 68° Eyepiece

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: 2454624
    $147.00

  12. Baader Planetarium - 31mm Hyperion 72° Aspheric 2" Eyepiece

    Baader Planetarium - 31mm Hyperion 72° Aspheric 2" Eyepiece

    Baader Planetarium: 31mm Hyperion Aspheric Telescope Eyepiece Baader has evolved the wide field astronomical eyepiece to a new level with the introduction of the Hyperion Aspherics

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    Model#: 2454631
    $209.00

  13. Baader Planetarium - 21mm Hyperion 68° Eyepiece

    Baader Planetarium - 21mm Hyperion 68° Eyepiece

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: 2454621
    $147.00

  14. Baader Planetarium - 17mm Hyperion 68° Eyepiece

    Baader Planetarium - 17mm Hyperion 68° Eyepiece

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: 2454617
    $147.00

  15. Baader Planetarium 10mm Hyperion 68° Eyepiece

    Baader Planetarium - 10mm Hyperion 68° Eyepiece

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: 2454610
    $147.00

  16. Baader Planetarium 13mm Hyperion 68° Eyepiece

    Baader Planetarium - 13mm Hyperion 68° Eyepiece

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: 2454613
    $147.00

  17. Baader 36mm Hyperion Eyepiece

    Baader Planetarium - 36mm Hyperion 72° Aspheric 2" Eyepiece

    The Baader Hyperion-Aspherics are great for projection imaging, and are threaded to accept the full line of Hyperion Digital T-Rings for a robust direct attachment of almost any camera.

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    Model#: 2454636
    $219.00

  18. Celestron - 6mm E-Lux Eyepiece - 1.25"

    Celestron - 6mm E-Lux Eyepiece - 1.25"

    The 6mm high power 1 1/4" E-Lux eyepiece is a 4-element Plössl with features that maximize it's performance at a very economical price.

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    Model#: CEL-93300
    $34.95

  19. Celestron - 4mm Omni Eyepiece - 1.25"

    Celestron - 4mm Omni Eyepiece - 1.25"

    The 4mm high power Omni eyepiece is a 4 -element premium symmetrical Plossl optical design. Features include blackened lens edges to minimize internal reflection and maximize contrast

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    Model#: CEL-93316
    $29.95

  20. Celestron - 6mm Omni Eyepiece - 1.25"

    Celestron - 6mm Omni Eyepiece - 1.25"

    Threaded barrels accept 1-1/4" Celestron thread-in filters.

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    Model#: CEL-93317
    $29.95

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