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  1. Explore Scientific 14mm 100° Argon Purged Waterproof Eyepiece 2"

    Explore Scientific - 14mm 100° Series Argon Purged Waterproof Eyepiece 2" *

    Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 100° Series™ Argon-Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.

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    (48 States)
    Model#: EPWP10014-01
    Super Deal! Explore Scientific 20% OFF

    Regular Price: $399.99

    Special Price: $319.49

  2. Explore Scientific - 9mm 100° Series Argon Purged Waterproof Eyepiece - 2"

    Explore Scientific - 9mm 100° Series Argon Purged Waterproof Eyepiece - 2" *

    Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 100° Series™ Argon-Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.

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    Model#: EPWP1009-01
    Super Deal! Explore Scientific 20% OFF

    Regular Price: $339.99

    Special Price: $271.49

  3. Explore Scientific 30mm 82° Argon Purged Waterproof Eyepiece 2"

    Explore Scientific - 30mm 82° Argon Purged Waterproof Eyepiece - 2"*

    Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 82° Series™ Argon-Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.

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    Model#: EPWP8230-01
    $299.99

  4. Explore Scientific 24mm 82° Argon Purged Waterproof Eyepiece 2"

    Explore Scientific - 24mm 82° Argon Purged Waterproof Eyepiece - 2" *

    Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 82° Series™ Argon-Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.

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    (48 States)
    Model#: EPWP8224-01
    Super Deal! Explore Scientific 20% OFF

    Regular Price: $269.99

    Special Price: $215.49

  5. Explore Scientific 18mm 82° Argon Purged Waterproof Eyepiece - 2"

    Explore Scientific - 18mm 82° Argon Purged Waterproof Eyepiece - 2"*

    Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 82° Series™ Argon-Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics.

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    (48 States)
    Model#: EPWP8218-01
    $422.99

  6. Olivon - 70° 32mm Wide Field Eyepiece - 2"

    Olivon - 70° 32mm Wide Field Eyepiece - 2"

    Olivon Wide Field 70° Field of View. Focal Length 32mm 2" eyepiece. Twist up eyecup. Eight elements in five groups. 20mm eye relief. Fully Multi-Coated. Parfocal.

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    Model#: OLIVLX32-US
    $129.00

  7. Olivon - 70° 22mm Wide Field Eyepiece - 1.25"/2"

    Olivon - 70° 22mm Wide Field Eyepiece - 1.25"/2"

    Olivon Wide Field 70° Field of View. Focal Length 22mm 2" or 1.25" eyepiece. Twist up eyecup. Eight elements in five groups. 20mm eye relief. Fully Multi-Coated. Parfocal.

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    Model#: OLIVLX22-US
    $129.00

  8. Olivon - 70° 17mm Wide Field Eyepiece - 1.25"/2"

    Olivon - 70° 17mm Wide Field Eyepiece - 1.25"/2"

    Olivon Wide Field 70° Field of View. Focal Length 17mm 2" or 1.25" eyepiece. Twist up eyecup. Eight elements in five groups. 20mm eye relief. Fully Multi-Coated. Parfocal.

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    Model#: OLIVLX17-US
    $129.00

  9. Celestron - 23mm Luminos Eyepiece - 2"

    Celestron - 23mm Luminos Eyepiece - 2"

    82 degree Field - Wide FOV for high and low magnifications.Retractible eyecups - Ultra-low profile for eyeglass wearersParfocal eyepiece - Little or no focusing is needed when changing from low to high power.

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    Model#: 93434

    Regular Price: $259.95

    Special Price: $199.95

  10. Celestron - 19mm Luminos Eyepiece - 2"

    Celestron - 19mm Luminos Eyepiece - 2"

    82 degree Field - Wide FOV for high and low magnifications.Retractible eyecups - Ultra-low profile for eyeglass wearersParfocal eyepiece - Little or no focusing is needed when changing from low to high power.

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    Model#: 93433

    Regular Price: $331.95

    Special Price: $149.95

  11. Celestron - 17mm Ultima LX Eyepiece - 1.25-2"

    Celestron - 17mm Ultima LX Eyepiece - 1.25-2"

    Celestron 17mm Ultim Eyepiece 1.

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    Model#: 93369

    Regular Price: $149.00

    Special Price: $99.95

  12. Celestron - 5mm Ultima LX Eyepiece 1.25 - 2"

    Celestron - 5mm Ultima LX Eyepiece 1.25 - 2"

    • 70 degree Field - Wide FOV for high and low magnifications
    • Extendable twist-up eyecups - Good for eyeglass wearers
    • Parfocal eyepiece - Little or no focusing is needed when changing from low to high power.
    • Threaded barrels - Accept 1.25" Celestron thread-in filters.
    • Shock resistant rubber covering - Scratch and dent resistant
    • No slip grip - Designed for secure handling even in moist conditions
    • Roll guard - Ergonomic contours prevent eyepiece from rolling off flat surfaces
    • 28 mm clear aperture surface lens - For comfortable viewing
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    Model#: 93366
    $149.00

  13. Celestron - 40mm E-Lux Eyepiece - 2"

    Celestron - 40mm E-Lux Eyepiece - 2"

    The 40mm low power 2" E-Lux is a 3-element fully multicoated optical design (every air to glass surface is coated with several layers of high quality anti-reflective coatings).

    The 2" E-Lux provides a wider field of view and longer eye relief than standard Plössls.

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    Model#: 93336
    $65.95

  14. Celestron - 32mm E-Lux Eyepiece - 2"

    Celestron - 32mm E-Lux Eyepiece - 2"

    The 2" E-Lux class is the best value 2" eyepieces on the market.

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    Model#: 93335
    $99.95

  15. Baader 36mm Hyperion Eyepiece

    Baader Planetarium - 36mm Hyperion 72 degree Aspheric 2" Eyepiece *

    The Baader Hyperion-Aspherics are great for projection imaging, and are threaded to accept the full line of Hyperion Digital T-Rings for a robust direct attachment of almost any camera.

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    Model#: HYP-36
    Hyperion Christmas Special!

    Regular Price: $219.00

    Special Price: $189.00

  16. Baader Planetarium 13mm Hyperion 68° Eyepiece

    Baader Planetarium - 13mm Hyperion 68° Eyepiece *

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: HYP-13
    Hyperion Christmas Special!

    Regular Price: $139.00

    Special Price: $109.00

  17. Baader Planetarium 10mm Hyperion 68° Eyepiece

    Baader Planetarium - 10mm Hyperion 68° Eyepiece *

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: HYP-10
    Hyperion Christmas Special!

    Regular Price: $139.00

    Special Price: $109.00

  18. Baader Planetarium - 17mm Hyperion 68° Eyepiece *

    Baader Planetarium - 17mm Hyperion 68° Eyepiece *

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: HYP-17
    Hyperion Christmas Special!

    Regular Price: $139.00

    Special Price: $109.00

  19. Baader Planetarium - 21mm Hyperion 68° Eyepiece *

    Baader Planetarium - 21mm Hyperion 68° Eyepiece *

    As a visual eyepiece, we have found the Hyperions deliver superb sharpness and color fidelity across their 68° wide, flat-field, even in fast telescopes.

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    Model#: HYP-21
    Hyperion Christmas Special!

    Regular Price: $139.00

    Special Price: $109.00

  20. Baader Planetarium - 31mm Hyperion 72 degree  Aspheric 2" Eyepiece *

    Baader Planetarium - 31mm Hyperion 72 degree Aspheric 2" Eyepiece *

    Baader Planetarium: 31mm Hyperion Aspheric Telescope Eyepiece Baader has evolved the wide field astronomical eyepiece to a new level with the introduction of the Hyperion Aspherics

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    Model#: HYP-31
    Hyperion Christmas Special!

    Regular Price: $209.00

    Special Price: $179.00

Items 21 to 40 of 58 total

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