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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. 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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    (48 States)
    Model#: 2454824
    $289.00

  2. 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

  3. 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

  4. 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

  5. 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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    (48 States)
    Model#: 2454631
    $209.00

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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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    (48 States)
    Model#: 2454636
    $219.00

  11. 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

  12. 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

  13. 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

  14. Celestron - 9mm Omni Eyepiece - 1.25"

    Celestron - 9mm Omni Eyepiece - 1.25"

    The 9mm high power Omni eyepiece is a 4 -element premium symmetrical Plssl optical design ... Learn More
    Model#: CEL-93318
    $29.95

  15. Celestron - 12mm Omni Eyepiece - 1.25"

    Celestron - 12mm Omni Eyepiece - 1.25"

    The 12.5mm medium power Omni eyepiece is a 4 -element premium symmetrical Plossl optical design.

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    Model#: CEL-93319
    $29.95

  16. Celestron - 15mm Omni Eyepiece - 1.25"

    Celestron - 15mm Omni Eyepiece - 1.25"

    The 15mm medium power Omni eyepiece is a 4 -element premium symmetrical Pl�ssl optical design.

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    Model#: CEL-93320
    $31.95

  17. Celestron - 20mm Omni Eyepiece - 1.25"

    Celestron - 20mm Omni Eyepiece - 1.25"

    The 20mm medium power Omni eyepiece is a 4 -element premium symmetrical Plössl optical design.

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    Model#: CEL-93321
    $39.95

  18. Celestron - 25mm Omni Eyepiece - 1.25"

    Celestron - 25mm Omni Eyepiece - 1.25"

    The 25mm medium power Omni eyepiece is a 4 -element premium symmetrical Plössl optical design.

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    Model#: CEL-93322
    $39.95

  19. Celestron - 32mm Omni Eyepiece - 1.25"

    Celestron - 32mm Omni Eyepiece - 1.25"

    The 32mm low power Omni eyepiece is a 4 -element premium symmetrical Plössl optical design.

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    Model#: CEL-93323
    $49.95

  20. Celestron - 40mm Omni Eyepiece - 1.25"

    Celestron - 40mm Omni Eyepiece - 1.25"

    The 40mm low power Omni eyepiece is a 4 -element premium symmetrical Plossl optical design.

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    Model#: CEL-93325
    $49.95

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