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Eyepiece Comparison Chart

Telescope Focal Length

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  1. TeleVue - 21mm Ethos Eyepiece

    TeleVue - 21mm Ethos Eyepiece

    The Ethos 21mm eyepiece completes the logical set of 21mm / 13mm / 8mm and nicely juxtaposes the 17mm / 10mm / 6mm combination. Each step within these two sets approaches a 3x field area gain. The 21mm's effective field stop diameter is 36 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: ETH-21.0
    $895.00

  2. TeleVue - 4.7mm Ethos SX 110° Eyepiece

    TeleVue - 4.7mm Ethos SX 110° Eyepiece

    The new 4.7mm Ethos-SX, like its 3.7mm progenitor, is designed and crafted to combine its exceedingly wide field of view with all the contrast, color-rendition, distortion correction and center-to-edge sharpness needed to achieve that natural view ... Learn More
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    (48 States)
    Model#: ETH-04.7
    $650.00

  3. Televue - 8mm Ethos Eyepiece

    Televue - 8mm Ethos Eyepiece

    At NEAF 2008 Televue demonstrated a new 8mm focal length, 100° AFOV Ethos eyepiece. In addition to matching all the key performance criteria of its 13mm sibling, the new 8mm version is parfocal in 1 ... Learn More
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    (48 States)
    Model#: ETH-08.0
    $615.00

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