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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. Meade - Series 5000 Ultra Wide Angle 5.5mm Waterproof Eyepiece - 1.25"

    Meade - Series 5000 Ultra Wide Angle 5.5mm Waterproof Eyepiece - 1.25"

    With a precision machined 1.25" barrel, comfortably long 13.2mm eye relief, and adjustable twist-up rubber eyeguard for comfort and blocking stray light. The ultimate observing experience. Looking through a Meade Series 5000 UWA eyepiece is the next best thing to actually being there. Eyepiece weight approximately 9 ounces.

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    Model#: 07740
    $129.00

  2. Meade - Series 5000 Ultra Wide Angle 8.8mm Eyepiece - 1.25"

    Meade - Series 5000 Ultra Wide Angle 8.8mm Eyepiece - 1.25"

    Meade Series 5000 Ultra Wide Angle 8.8mm Eyepiece (1.25") #07741. Meade Series 5000 Ultra Wide Angle eyepieces offer revolutionary new advances in resolution, image correction and eye relief, with an astonishing 82° field of view. Ranking among the very best eyepieces available at any price, these eyepieces routinely outperform those costing even several times as much.

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    Model#: 07741
    $129.00

  3. Meade - Ultra Wide Angle Series 5000 8.8mm Eyepiece - 1.25"
  4. Opticstar - 1.25" 9mm Advanced Wireless Illuminated Reticule

    Opticstar - 1.25" 9mm Advanced Wireless Illuminated Reticule

    This high quality 9mm Plossl Illuminated Reticule Eyepiece is ideal for use for guiding and aligning the telescope mount via the ‘drifting’ method that ensures accurate alignment. The Plossl eyepiece includes a 4-element, multi-coated optical system, dioptre adjustment, and double cross-line/bull’s-eye type reticule.

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    Model#: OSRGEP09
    $120.00

  5. Orion - MegaView Ulta-Wide 4mm Eyepiece

    Orion - MegaView Ulta-Wide 4mm Eyepiece

    * This 1 ... Learn More
    Model#: 08852
    $197.95

  6. Orion - MegaView Ulta-Wide 7mm Eyepiece

    Orion - MegaView Ulta-Wide 7mm Eyepiece

    * This 1.25" 7mm eyepiece boasts a 18 ... Learn More
    Model#: 08853
    $197.95

  7. TeleVue - 11mm Plossl  Eyepiece

    TeleVue - 11mm Plossl Eyepiece

    Plössl 11mm  50° Apparent Field EyepieceThe 25mm, 20mm, 15mm, 11mm and 8mm Plössls round out the focal lengths for various observing from deep sky to planetary ... Learn More
    Model#: EAP-11.0
    $100.00

  8. TeleVue - 15mm Plossl Eyepiece

    TeleVue - 15mm Plossl Eyepiece

    Plössl 15mm 50° Apparent Field Eyepiece   The 25mm, 20mm, 15mm, 11mm and 8mm Plössls round out the focal lengths for various observing from deep sky to planetary ... Learn More
    Model#: EAP-15.0
    $100.00

  9. TeleVue - 20mm Plossl Eyepiece

    TeleVue - 20mm Plossl Eyepiece

    Plössl  20mm 50° Apparent Field Eyepiece The 25mm, 20mm, 15mm, 11mm and 8mm Plössls round out the focal lengths for various observing from deep sky to planetary ... Learn More
    Model#: EAP-20.0
    $120.00

  10. TeleVue - 25mm Plossl Eyepiece

    TeleVue - 25mm Plossl Eyepiece

    Plössl  25mm 50° Apparent Field Eyepiece The 25mm, 20mm, 15mm, 11mm and 8mm Plössls round out the focal lengths for various observing from deep sky to planetary ... Learn More
    Model#: EAP-25.0
    $120.00

  11. TeleVue - 32mm Plossl Eyepiece

    TeleVue - 32mm Plossl Eyepiece

    Plössl  32mm50° Apparent Field EyepieceThe 32mm Plössl, with its larger 50° apparent field, will deliver the same true field as the 40mm but with higher magnification ... Learn More
    Model#: EPL-32.0
    $150.00

  12. TeleVue - 40mm Plossl Eyepiece

    TeleVue - 40mm Plossl Eyepiece

    Plössl 40mm43°Apparent Field EyepieceIn the 1¼" series Tele Vue included a long eye-relief 40mm focal length in the series with a 43° apparent field ... Learn More
    Model#: EPL-40.0
    $150.00

  13. TeleVue - 8mm Plossl Eyepiece

    TeleVue - 8mm Plossl Eyepiece

     The 25mm, 20mm, 15mm, 11mm and 8mm Plössls round out the focal lengths for various observing from deep sky to planetary. They work best with Tele Vue Powermates to effectively double the number of focal lengths in your collection. Far superior to eyepieces usually provided as standard with most instruments.

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    Model#: EAP-08.0
    $100.00

  14. Vixen 10mm NLV Lanthanum Eyepiece

    Vixen - 10mm NLV Lanthanum Eyepiece

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    Model#: 37107
    $139.00

  15. Vixen - 12mm NLV Lanthanum Eyepiece

    Vixen - 12mm NLV Lanthanum Eyepiece

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    Model#: 37108
    $139.00

  16. Vixen - 15mm NLV Lanthanum Eyepiece

    Vixen - 15mm NLV Lanthanum Eyepiece

    The Vixen NLV Lanthanum 25mm Eyepiece is a quality long eye relief eyepiece for use with 1.25" type telescopes.

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    Model#: 37109
    $139.00

  17. Vixen - 2.5mm NLV Lanthanum Eyepiece

    Vixen - 2.5mm NLV Lanthanum Eyepiece

    The Vixen NLV Lanthanum 2.5mm Eyepiece is a quality long eye relief eyepiece for use with 1.25" type telescopes. Featuring multi-coating upon all air-to-glass surfaces within the eyepiece, and by using high-grade Lanthanum glass, a sharp field of view and a high contrast is always assured.

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    Model#: 37101
    $139.00

  18. Vixen - 20mm LV Lanthanum Eyepiece

    Vixen - 20mm LV Lanthanum Eyepiece

    This 20mm eyepiece is often an excellent medium-low magnification eyepiece while still preserving a very comfortable 20mm of eye-relief.

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    Model#: EP-LV-3757
    $119.95

  19. Vixen - 20mm NLV Lanthanum Eyepiece

    Vixen - 20mm NLV Lanthanum Eyepiece

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    Model#: 37112
    $139.00

  20. Vixen - 25mm NLV Lanthanum Eyepiece

    Vixen - 25mm NLV Lanthanum Eyepiece

    The Vixen NLV Lanthanum 25mm Eyepiece is a quality long eye relief eyepiece for use with 1.25" type telescopes.

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    Model#: 37113
    $139.00

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