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Pentax SMC ZOOM Eyepiece 20x-60x

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  1. Pentax SMC ZOOM Eyepiece 20x-60x

    Pentax - SMC ZOOM Eyepiece 20x-60x

    This Zoom eyepiece is especially suited for use with astronomical telescopes ... Learn More
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    (48 States)
    Model#: PN-70509
    $379.95

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The smc Zoom eyepiece features a magnification range of 20-60X, an apparent field of view of 38 to 60 degrees, and an eye relief of 20mm. Like all PENTAX eyepieces, it is renowned for its outstanding image reproduction. With its JIS Class 6 rated waterproof and fog proof construction, this Zoom eyepiece is ideal for use with astronomical telescopes.

Lens Structure: 6 elements, 4 groups Real Field of View: 1.9 - 1 degrees Apparent Field of View: 38-60 degrees Field of View at 1000m: 33-17mm Field of View at 1000 Yards: 108 - 56 ft. Exit Pupil: 4-1.3mm Eye Relief: 20mm Relative Brightness: 16-1.7 Eyepiece Size: 5.7" x 2.7" Lens & Outside Diameter: 44 x 69mm Weight: 19.2 oz. (550g)