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Featured Eyepieces

Argon-Purged Waterproof Eyepieces

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  • Explore Scientific 52° Series 3mm Waterproof Eyepiece
    Save $ 20.65 Save $ 0.00
    $ 92.69
    $ 92.69 - $ 92.69
    $ 92.69
    $ 72.04
    $ 72.04 - $ 72.04
    $ 72.04

    Explore Scientific 52° Series 3mm Waterproof Eyepiece

    Explore Scientific

    Description A new focal length joins the Explore Scientific line of inert gas-purged Waterproof Eyepieces with the 3mm 52° Series Eyepiece. A log...

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    $ 92.69
    $ 92.69 - $ 92.69
    $ 92.69
    $ 72.04
    $ 72.04 - $ 72.04
    $ 72.04
    Save $ 20.65 Save $ 0.00
  • Explore Scientific 52° Series 15mm Waterproof Eyepiece
    Save $ 41.25 Save $ 0.00
    $ 123.59
    $ 123.59 - $ 123.59
    $ 123.59
    $ 82.34
    $ 82.34 - $ 82.34
    $ 82.34

    Explore Scientific 52° Series 15mm Waterproof Eyepiece

    Explore Scientific

    Description Solidly in the mid-magnification range for most amateur telescopes, the 15mm is a true workhorse for visual observers. If you love de...

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    $ 123.59
    $ 123.59 - $ 123.59
    $ 123.59
    $ 82.34
    $ 82.34 - $ 82.34
    $ 82.34
    Save $ 41.25 Save $ 0.00
  • Explore Scientific 52° Series 20mm Waterproof Eyepiece
    Save $ 41.25 Save $ 0.00
    $ 123.59
    $ 123.59 - $ 123.59
    $ 123.59
    $ 82.34
    $ 82.34 - $ 82.34
    $ 82.34

    Explore Scientific 52° Series 20mm Waterproof Eyepiece

    Explore Scientific

    Description Often considered the perfect mid-range focal length for most amateur telescopes, the 20mm on the ED127 at f7.5 produces a 1 degree tr...

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    $ 123.59
    $ 123.59 - $ 123.59
    $ 123.59
    $ 82.34
    $ 82.34 - $ 82.34
    $ 82.34
    Save $ 41.25 Save $ 0.00
  • Explore Scientific 52° Series 25mm Waterproof Eyepiece
    Save $ 41.25 Save $ 0.00
    $ 133.89
    $ 133.89 - $ 133.89
    $ 133.89
    $ 92.64
    $ 92.64 - $ 92.64
    $ 92.64

    Explore Scientific 52° Series 25mm Waterproof Eyepiece

    Explore Scientific

    Description Long considered the “standard” eyepiece that is often supplied with telescopes that are sold by various suppliers, the 25mm focal len...

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    $ 133.89
    $ 133.89 - $ 133.89
    $ 133.89
    $ 92.64
    $ 92.64 - $ 92.64
    $ 92.64
    Save $ 41.25 Save $ 0.00
  • Explore Scientific 52° Series 30mm Waterproof Eyepiece
    Save $ 41.25 Save $ 0.00
    $ 154.49
    $ 154.49 - $ 154.49
    $ 154.49
    $ 113.24
    $ 113.24 - $ 113.24
    $ 113.24

    Explore Scientific 52° Series 30mm Waterproof Eyepiece

    Explore Scientific

    Description Loved by deep sky observers, a 30mm focal length eyepiece produces a large exit pupil which floods your dilated eye with light, which...

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    $ 154.49
    $ 154.49 - $ 154.49
    $ 154.49
    $ 113.24
    $ 113.24 - $ 113.24
    $ 113.24
    Save $ 41.25 Save $ 0.00
  • Explore Scientific 52° Series 40mm Waterproof Eyepiece
    Save $ 41.25 Save $ 0.00
    $ 185.39
    $ 185.39 - $ 185.39
    $ 185.39
    $ 144.14
    $ 144.14 - $ 144.14
    $ 144.14

    Explore Scientific 52° Series 40mm Waterproof Eyepiece

    Explore Scientific

    Description The longest focal length in the 52° Series with the longest eye relief, the 40mm is also the only 2.0-inch O.D. eyepiece in this seri...

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    $ 185.39
    $ 185.39 - $ 185.39
    $ 185.39
    $ 144.14
    $ 144.14 - $ 144.14
    $ 144.14
    Save $ 41.25 Save $ 0.00
  • Explore Scientific 52° Series 4.5mm Waterproof Eyepiece
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    $ 92.69 - $ 92.69
    $ 92.69
    $ 92.69 - $ 92.69
    $ 92.69

    Explore Scientific 52° Series 4.5mm Waterproof Eyepiece

    Explore Scientific

    Description High power eyepieces (e.g. 3mm to 10mm) are used not only for obvious observations of planets and double stars, but can be employed f...

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    $ 92.69 - $ 92.69
    $ 92.69
    $ 92.69 - $ 92.69
    $ 92.69
    Sold out
  • Explore Scientific 52° Series 6.5mm Waterproof Eyepiece
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    $ 123.59 - $ 123.59
    $ 123.59
    $ 123.59 - $ 123.59
    $ 123.59

    Explore Scientific 52° Series 6.5mm Waterproof Eyepiece

    Explore Scientific

    Description Mid-range high power eyepieces like the 6.5mm are instrumental when transitioning through magnifications to observe an object until i...

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    $ 123.59 - $ 123.59
    $ 123.59
    $ 123.59 - $ 123.59
    $ 123.59
    Sold out