Featured Eyepieces

Argon-Purged Waterproof Eyepieces
  • Explore Scientific 62° 14mm Waterproof Eyepiece
    Explore Scientific 62° 14mm Waterproof Eyepiece
    $ 109.99

    Explore Scientific 62° 14mm Waterproof Eyepiece

    Explore Scientific

    Description Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-fiel...

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    $ 109.99
  • Explore Scientific 68° 16mm Waterproof Eyepiece
    Explore Scientific 68° 16mm Waterproof Eyepiece
    $ 179.99

    Explore Scientific 68° 16mm Waterproof Eyepiece

    Explore Scientific

    Description Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer depos...

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    $ 179.99
  • Explore Scientific 68° 20mm Waterproof Eyepiece
    Explore Scientific 68° 20mm Waterproof Eyepiece
    $ 179.99

    Explore Scientific 68° 20mm Waterproof Eyepiece

    Explore Scientific

    Description Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer depos...

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    $ 179.99
  • Explore Scientific 4.7mm 82° Series Waterproof Eyepiece - EPWP8247-01
    Explore Scientific 4.7mm 82° Series Waterproof Eyepiece - EPWP8247-01
    $ 199.99

    Explore Scientific 4.7mm 82° Series Waterproof Eyepiece - EPWP8247-01

    Explore Scientific

    Description The Explore Scientific 4.7mm 82° Series Argon-Purged Waterproof Eyepiece is used when very high magnifications are desired. Watch the ...

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    $ 199.99
  • Explore Scientific 8.8mm 82° Series Waterproof Eyepiece - EPWP8288-01
    Explore Scientific 8.8mm 82° Series Waterproof Eyepiece - EPWP8288-01
    $ 199.99

    Explore Scientific 8.8mm 82° Series Waterproof Eyepiece - EPWP8288-01

    Explore Scientific

    Description Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. Explore Scientific 82° Series eyepieces, with their 82° apparent field of view...

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    $ 199.99
  • Explore Scientific 92° 17mm Long Eye Relief Waterproof Eyepiece
    Explore Scientific 92° 17mm Long Eye Relief Waterproof Eyepiece
    $ 549.99

    Explore Scientific 92° 17mm Long Eye Relief Waterproof Eyepiece

    Explore Scientific

    Description Voted Sky & Telescope Hot Product for 2017! Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 92° Ser...

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    $ 549.99
  • Explore Scientific 100° 5.5mm Waterproof Eyepiece
    Explore Scientific 100° 5.5mm Waterproof Eyepiece
    $ 449.99

    Explore Scientific 100° 5.5mm Waterproof Eyepiece

    Explore Scientific

    Description Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series eyepieces are hyper-wide class oculars that...

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    $ 449.99
  • Explore Scientific 100° 20mm Waterproof Eyepiece
    Explore Scientific 100° 20mm Waterproof Eyepiece
    $ 549.99

    Explore Scientific 100° 20mm Waterproof Eyepiece

    Explore Scientific

    Description Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series eyepieces are hyper-wide class oculars that...

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    $ 549.99
  • Explore Scientific 62° 26mm Waterproof Eyepiece
    Explore Scientific 62° 26mm Waterproof Eyepiece
    $ 129.99

    Explore Scientific 62° 26mm Waterproof Eyepiece

    Explore Scientific

    Description Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-fiel...

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    $ 129.99
  • Explore Scientific 62° 20mm Waterproof Eyepiece
    Explore Scientific 62° 20mm Waterproof Eyepiece
    $ 109.99

    Explore Scientific 62° 20mm Waterproof Eyepiece

    Explore Scientific

    Description Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-fiel...

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    $ 109.99
  • Explore Scientific 3mm 52° Series Waterproof Eyepiece
    Explore Scientific 3mm 52° Series Waterproof Eyepiece
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    $ 79.99

    Explore Scientific 3mm 52° Series 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 logi...

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    $ 79.99
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  • Explore Scientific 4.5mm 52° Series Waterproof Eyepiece
    Explore Scientific 4.5mm 52° Series Waterproof Eyepiece
    $ 79.99

    Explore Scientific 4.5mm 52° Series 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 fo...

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    $ 79.99
  • Explore Scientific 52° 6.5mm Waterproof Eyepiece
    Explore Scientific 52° 6.5mm Waterproof Eyepiece
    $ 79.99

    Explore Scientific 52° 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 it...

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    $ 79.99
  • Explore Scientific 10mm 52° Series Waterproof Eyepiece
    Explore Scientific 10mm 52° Series Waterproof Eyepiece
    $ 79.99

    Explore Scientific 10mm 52° Series Waterproof Eyepiece

    Explore Scientific

    Description Eyepieces at or near the 10mm range are often considered a mandatory focal length in your collection, as this focal length range is de...

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    $ 79.99
  • Explore Scientific 52° 15mm Waterproof Eyepiece
    Explore Scientific 52° 15mm Waterproof Eyepiece
    $ 79.99

    Explore Scientific 52° 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 dee...

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    $ 79.99
  • Explore Scientific 20mm 52° Series Waterproof Eyepiece
    Explore Scientific 20mm 52° Series Waterproof Eyepiece
    $ 79.99

    Explore Scientific 20mm 52° Series 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 tru...

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    $ 79.99
  • Explore Scientific 25mm 52° Series Waterproof Eyepiece
    Explore Scientific 25mm 52° Series Waterproof Eyepiece
    $ 89.99

    Explore Scientific 25mm 52° Series 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 leng...

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    $ 89.99
  • Explore Scientific 30mm 52° Series Waterproof Eyepiece
    Explore Scientific 30mm 52° Series Waterproof Eyepiece
    $ 129.99

    Explore Scientific 30mm 52° Series 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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    $ 129.99
  • Explore Scientific 40mm 52° Series Waterproof Eyepiece
    Explore Scientific 40mm 52° Series Waterproof Eyepiece
    $ 159.99

    Explore Scientific 40mm 52° Series 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 serie...

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    $ 159.99
  • Explore Scientific 4.5mm 82° Series LER Waterproof Eyepiece - EPWP8245LE-01
    Explore Scientific 4.5mm 82° Series LER Waterproof Eyepiece - EPWP8245LE-01
    $ 249.99

    Explore Scientific 4.5mm 82° Series LER Waterproof Eyepiece - EPWP8245LE-01

    Explore Scientific

    Description With its particularly long eye relief of 15.9mm, the 4.5mm LER ocular from Explore Scientific’s 82° Series of Argon-Purged Waterproof ...

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    $ 249.99
  • Explore Scientific 6.5mm 82° Series LER Waterproof Eyepiece - EPWP8265LE-01
    Explore Scientific 6.5mm 82° Series LER Waterproof Eyepiece - EPWP8265LE-01
    $ 249.99

    Explore Scientific 6.5mm 82° Series LER Waterproof Eyepiece - EPWP8265LE-01

    Explore Scientific

    Description With its impressively long eye relief of 16.8mm, the 6.5mm LER ocular from Explore Scientific’s 82° Series of Argon-Purged Waterproof ...

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    $ 249.99
  • Explore Scientific 8.5mm 82° Series LER Waterproof Eyepiece - EPWP8285LE-01
    Explore Scientific 8.5mm 82° Series LER Waterproof Eyepiece - EPWP8285LE-01
    $ 249.99

    Explore Scientific 8.5mm 82° Series LER Waterproof Eyepiece - EPWP8285LE-01

    Explore Scientific

    Description With its long eye relief of 15mm, the 8.5mm LER ocular from Explore Scientific’s 82° Series of Argon-Purged Waterproof Eyepieces puts ...

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    $ 249.99