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  1. 2.50 Diopter Dioptrx astigmatism-correcting lens 2.50 Diopter Dioptrx astigmatism-correcting lens

    2.50 Diopter Dioptrx astigmatism-correcting lens

    $129.00
    1 Review(s)
    This accessory lens corrects for 2.50 diopters of astigmatism when used with the appropriate TeleVue eyepiece . . .
  2. 32mm Plössl Tele Vue 32mm Plössl

    Tele Vue 32mm Plössl

    $154.01
    9 Review(s)
    This is a very good low power/wide field eyepiece for capturing galaxy pairs and galaxy clusters, viewing emission and reflection nebulas in their entirety, and more . . .
  3. 13mm 1.25"/2" 100° field Ethos Tele Vue 13mm 1.25

    Tele Vue 13mm 1.25"/2" 100° field Ethos

    $657.01
    13 Review(s)
    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 13mm Nagler . . .
  4. Tele Vue 2.5X Powermate image amplifier for 1.25" eyepieces Tele Vue 2.5X Powermate image amplifier for 1.25

    Tele Vue 2.5X Powermate image amplifier for 1.25" eyepieces

    $228.01
    13 Review(s)
    While not technically a Barlow, this unique new 4-lens 2.5x 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. If Barlows are made too short or with too much magnification, the diverging rays can cause severe . . .
  5. 21mm 2" 100° field Ethos Tele Vue 21mm 2

    Tele Vue 21mm 2" 100° field Ethos

    $893.01
    5 Review(s)
    The 100° apparent field of this new TeleVue 21mm Ethos eyepiece provides a field area 64% larger than the "space-walking" 82° field of a 20mm Nagler, and 36% larger than a 22mm Nagler . . .
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