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  1. Explore Scientific 5.5mm 100° field waterproof 2" eyepiece

    $549.99

    The Explore Scientific 5.5mm argon-purged waterproof 2" eyepiece combines a high power capability with a 100° apparent field to provide a jaw-dropping observing experience in your telescope.

  2. Explore Scientific 40mm 68° field argon-purged waterproof 2" eyepiece

    $519.99
    If you have room in your observing kit for only one long focal length wide angle eyepiece, this Explore Scientific 40mm argon-purged eyepiece may well be the one eyepiece for you.
  3. Tele Vue 17mm 2" Nagler Type 4

    $397.01
    The TeleVue 2" 17mm Nagler Type 4 is a premium-quality eyepiece that further refines the "spacewalk" observing experience of the original Nagler and Nagler Type 2 eyepieces that have been the optical standard of the industry for years . . .
  4. Explore Scientific 14mm 100° field argon-purged waterproof 2" eyepiece

    $679.99
    The 100° apparent field of the Explore Scientific 14mm argon-purged waterproof 2" eyepiece provides incredible maximum field/medium power observing in scopes ranging from small refractors to the largest Dobsonians and catadioptrics.
  5. Tele Vue 35mm 2" Panoptic

    $389.01
    An excellent and physically-impressive premium-quality low power wide field 2" eyepiece for the serious deep space explorer. It will give you a wide 1.19 degree field at 57x with a big 17.5" f/4.5 Dobsonian. That's well over two lunar diameters and is ideal for observing large emission nebulas . . .
  6. Explore Scientific 2" 3x Focal Extender (Barlow)

    $299.99

    Increase your eyepiece magnification by 3x

    2" barrel diameter

    Keeps eyerelief consistent

  7. Tele Vue 2X Powermate image amplifier for 2" eyepieces, with 1.25" eyepiece adapter

    $326.01
    If you need a very high quality 2x Barlow for 2" eyepieces, look no further than this TeleVue Powermate. While not technically a Barlow, this unique new 4-lens image amplifier performs the same functions, but at a higher level of optical correction. Barlow lenses have a negative power that diverges field rays, lengthening the effective focal length of the telescope and increasing the magnification . . .
  8. Astro-Tech 2X achromatic Barlow for 1.25" eyepieces

    $29.95
    This physically short (3.1") Astro-Tech 2x achromatic Barlow is an inexpensive way to cleanly double the power of any 1.25" eyepiece in your collection . . .
  9. Explore Scientific 9mm 120° field argon-purged waterproof 2" eyepiece

    $1,299.99
    A first from Explore Scientific, this 2" 9mm deep sky eyepiece has an immense 120° field that seems to make your telescope disappear and plunge you headfirst into the Universe . . .
  10. Explore Scientific 28mm 68° field argon-purged waterproof 2" eyepiece

    $299.99
    This Explore Scientific 28mm argon-purged is a substantial 2" eyepiece that gives impressively sharp and contrasty wide field views of nebulas, compact open clusters, globular clusters, etc. with virtually any telescope that can use 2" eyepieces.
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