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Eyepieces

Buy Any Three In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case

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Step 2 - Add Three In-Stock Premium Waterproof Eyepieces to your cart

Once all 4 items are in your cart, it will automatically update and make the soft-sided eyepiece case free.

While Supplies Last

Fall Eyepiece Sale

Save up to 27% on in-stock waterproof eyepieces
Ends Dec. 31, 2024

How to Choose Eyepieces for any Telescope

 

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  • Explore Scientific 62° Series 5.5mm Waterproof Eyepiece
    Save $ 40.05 Save $ 0.00
    Original price $ 149.99
    Original price $ 149.99 - Original price $ 149.99
    Original price $ 149.99
    Current price $ 109.94
    $ 109.94 - $ 109.94
    Current price $ 109.94

    Explore Scientific 62° Series 5.5mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 149.99
    Original price $ 149.99 - Original price $ 149.99
    Original price $ 149.99
    Current price $ 109.94
    $ 109.94 - $ 109.94
    Current price $ 109.94
    Save $ 40.05 Save $ 0.00
  • Explore Scientific 62° Series 14mm Waterproof Eyepiece
    Save $ 40.05 Save $ 0.00
    Original price $ 149.99
    Original price $ 149.99 - Original price $ 149.99
    Original price $ 149.99
    Current price $ 109.94
    $ 109.94 - $ 109.94
    Current price $ 109.94

    Explore Scientific 62° Series 14mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 149.99
    Original price $ 149.99 - Original price $ 149.99
    Original price $ 149.99
    Current price $ 109.94
    $ 109.94 - $ 109.94
    Current price $ 109.94
    Save $ 40.05 Save $ 0.00
  • Explore Scientific 62° Series 20mm Waterproof Eyepiece
    Save $ 40.05 Save $ 0.00
    Original price $ 149.99
    Original price $ 149.99 - Original price $ 149.99
    Original price $ 149.99
    Current price $ 109.94
    $ 109.94 - $ 109.94
    Current price $ 109.94

    Explore Scientific 62° Series 20mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 149.99
    Original price $ 149.99 - Original price $ 149.99
    Original price $ 149.99
    Current price $ 109.94
    $ 109.94 - $ 109.94
    Current price $ 109.94
    Save $ 40.05 Save $ 0.00
  • Explore Scientific 62° Series 26mm Waterproof Eyepiece
    Save $ 40.05 Save $ 0.00
    Original price $ 179.99
    Original price $ 179.99 - Original price $ 179.99
    Original price $ 179.99
    Current price $ 139.94
    $ 139.94 - $ 139.94
    Current price $ 139.94

    Explore Scientific 62° Series 26mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 179.99
    Original price $ 179.99 - Original price $ 179.99
    Original price $ 179.99
    Current price $ 139.94
    $ 139.94 - $ 139.94
    Current price $ 139.94
    Save $ 40.05 Save $ 0.00
  • Explore Scientific 62° Series 32mm Waterproof Eyepiece
    Save $ 50.05 Save $ 0.00
    Original price $ 229.99
    Original price $ 229.99 - Original price $ 229.99
    Original price $ 229.99
    Current price $ 179.94
    $ 179.94 - $ 179.94
    Current price $ 179.94

    Explore Scientific 62° Series 32mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 229.99
    Original price $ 229.99 - Original price $ 229.99
    Original price $ 229.99
    Current price $ 179.94
    $ 179.94 - $ 179.94
    Current price $ 179.94
    Save $ 50.05 Save $ 0.00
  • Explore Scientific 68° Series 16mm Waterproof Eyepiece
    Save $ 50.05 Save $ 0.00
    Original price $ 219.99
    Original price $ 219.99 - Original price $ 219.99
    Original price $ 219.99
    Current price $ 169.94
    $ 169.94 - $ 169.94
    Current price $ 169.94

    Explore Scientific 68° Series 16mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 219.99
    Original price $ 219.99 - Original price $ 219.99
    Original price $ 219.99
    Current price $ 169.94
    $ 169.94 - $ 169.94
    Current price $ 169.94
    Save $ 50.05 Save $ 0.00
  • Explore Scientific 68° Series 20mm Waterproof Eyepiece
    Save $ 50.05 Save $ 0.00
    Original price $ 219.99
    Original price $ 219.99 - Original price $ 219.99
    Original price $ 219.99
    Current price $ 169.94
    $ 169.94 - $ 169.94
    Current price $ 169.94

    Explore Scientific 68° Series 20mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 219.99
    Original price $ 219.99 - Original price $ 219.99
    Original price $ 219.99
    Current price $ 169.94
    $ 169.94 - $ 169.94
    Current price $ 169.94
    Save $ 50.05 Save $ 0.00
  • Explore Scientific 68° Series 28mm Waterproof Eyepiece
    Save $ 50.05 Save $ 0.00
    Original price $ 299.99
    Original price $ 299.99 - Original price $ 299.99
    Original price $ 299.99
    Current price $ 249.94
    $ 249.94 - $ 249.94
    Current price $ 249.94

    Explore Scientific 68° Series 28mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 299.99
    Original price $ 299.99 - Original price $ 299.99
    Original price $ 299.99
    Current price $ 249.94
    $ 249.94 - $ 249.94
    Current price $ 249.94
    Save $ 50.05 Save $ 0.00
  • Explore Scientific 68° Series 34mm Waterproof Eyepiece
    Save $ 120.05 Save $ 0.00
    Original price $ 419.99
    Original price $ 419.99 - Original price $ 419.99
    Original price $ 419.99
    Current price $ 299.94
    $ 299.94 - $ 299.94
    Current price $ 299.94

    Explore Scientific 68° Series 34mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 419.99
    Original price $ 419.99 - Original price $ 419.99
    Original price $ 419.99
    Current price $ 299.94
    $ 299.94 - $ 299.94
    Current price $ 299.94
    Save $ 120.05 Save $ 0.00
  • Explore Scientific 68° Series 40mm Waterproof Eyepiece
    Save $ 120.05 Save $ 0.00
    Original price $ 519.99
    Original price $ 519.99 - Original price $ 519.99
    Original price $ 519.99
    Current price $ 399.94
    $ 399.94 - $ 399.94
    Current price $ 399.94

    Explore Scientific 68° Series 40mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 519.99
    Original price $ 519.99 - Original price $ 519.99
    Original price $ 519.99
    Current price $ 399.94
    $ 399.94 - $ 399.94
    Current price $ 399.94
    Save $ 120.05 Save $ 0.00
  • Explore Scientific 82° Series 11mm Waterproof Eyepiece
    Save $ 50.05 Save $ 0.00
    Original price $ 229.99
    Original price $ 229.99 - Original price $ 229.99
    Original price $ 229.99
    Current price $ 179.94
    $ 179.94 - $ 179.94
    Current price $ 179.94

    Explore Scientific 82° Series 11mm Waterproof Eyepiece

    Explore Scientific

    Description The 11mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-medium power magnification class providin...

    View full details
    Original price $ 229.99
    Original price $ 229.99 - Original price $ 229.99
    Original price $ 229.99
    Current price $ 179.94
    $ 179.94 - $ 179.94
    Current price $ 179.94
    Save $ 50.05 Save $ 0.00
  • Explore Scientific 82° Series 18mm Waterproof Eyepiece
    Save $ 100.05 Save $ 0.00
    Original price $ 319.99
    Original price $ 319.99 - Original price $ 319.99
    Original price $ 319.99
    Current price $ 219.94
    $ 219.94 - $ 219.94
    Current price $ 219.94

    Explore Scientific 82° Series 18mm Waterproof Eyepiece

    Explore Scientific

    Description The 18mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-medium power magnification class providin...

    View full details
    Original price $ 319.99
    Original price $ 319.99 - Original price $ 319.99
    Original price $ 319.99
    Current price $ 219.94
    $ 219.94 - $ 219.94
    Current price $ 219.94
    Save $ 100.05 Save $ 0.00
  • Explore Scientific 100° Series 5.5mm Waterproof Eyepiece
    Save $ 100.05 Save $ 0.00
    Original price $ 549.99
    Original price $ 549.99 - Original price $ 549.99
    Original price $ 549.99
    Current price $ 449.94
    $ 449.94 - $ 449.94
    Current price $ 449.94

    Explore Scientific 100° Series 5.5mm Waterproof Eyepiece

    Explore Scientific

    Features Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay ...

    View full details
    Original price $ 549.99
    Original price $ 549.99 - Original price $ 549.99
    Original price $ 549.99
    Current price $ 449.94
    $ 449.94 - $ 449.94
    Current price $ 449.94
    Save $ 100.05 Save $ 0.00
  • Explore Scientific 100° Series 25mm Waterproof Eyepiece
    Save $ 100.05 Save $ 0.00
    Original price $ 999.99
    Original price $ 999.99 - Original price $ 999.99
    Original price $ 999.99
    Current price $ 899.94
    $ 899.94 - $ 899.94
    Current price $ 899.94

    Explore Scientific 100° Series 25mm Waterproof Eyepiece

    Explore Scientific

    Features Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay ...

    View full details
    Original price $ 999.99
    Original price $ 999.99 - Original price $ 999.99
    Original price $ 999.99
    Current price $ 899.94
    $ 899.94 - $ 899.94
    Current price $ 899.94
    Save $ 100.05 Save $ 0.00
  • Explore Scientific 100° Series 3" 30mm Waterproof Eyepiece
    Save $ 99.96 Save $ 0.00
    Original price $ 1,099.90
    Original price $ 1,099.90 - Original price $ 1,099.90
    Original price $ 1,099.90
    Current price $ 999.94
    $ 999.94 - $ 999.94
    Current price $ 999.94

    Explore Scientific 100° Series 3" 30mm Waterproof Eyepiece

    Explore Scientific

    Features Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay ...

    View full details
    Original price $ 1,099.90
    Original price $ 1,099.90 - Original price $ 1,099.90
    Original price $ 1,099.90
    Current price $ 999.94
    $ 999.94 - $ 999.94
    Current price $ 999.94
    Save $ 99.96 Save $ 0.00
  • Explore Scientific 52° Series 15mm Waterproof Eyepiece
    Save $ 40.05 Save $ 0.00
    Original price $ 119.99
    Original price $ 119.99 - Original price $ 119.99
    Original price $ 119.99
    Current price $ 79.94
    $ 79.94 - $ 79.94
    Current price $ 79.94

    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...

    View full details
    Original price $ 119.99
    Original price $ 119.99 - Original price $ 119.99
    Original price $ 119.99
    Current price $ 79.94
    $ 79.94 - $ 79.94
    Current price $ 79.94
    Save $ 40.05 Save $ 0.00
  • Explore Scientific 52° Series 20mm Waterproof Eyepiece
    Save $ 40.05 Save $ 0.00
    Original price $ 119.99
    Original price $ 119.99 - Original price $ 119.99
    Original price $ 119.99
    Current price $ 79.94
    $ 79.94 - $ 79.94
    Current price $ 79.94

    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...

    View full details
    Original price $ 119.99
    Original price $ 119.99 - Original price $ 119.99
    Original price $ 119.99
    Current price $ 79.94
    $ 79.94 - $ 79.94
    Current price $ 79.94
    Save $ 40.05 Save $ 0.00
  • Explore Scientific 52° Series 25mm Waterproof Eyepiece
    Save $ 40.05 Save $ 0.00
    Original price $ 129.99
    Original price $ 129.99 - Original price $ 129.99
    Original price $ 129.99
    Current price $ 89.94
    $ 89.94 - $ 89.94
    Current price $ 89.94

    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...

    View full details
    Original price $ 129.99
    Original price $ 129.99 - Original price $ 129.99
    Original price $ 129.99
    Current price $ 89.94
    $ 89.94 - $ 89.94
    Current price $ 89.94
    Save $ 40.05 Save $ 0.00
  • Explore Scientific 52° Series 30mm Waterproof Eyepiece
    Save $ 40.05 Save $ 0.00
    Original price $ 149.99
    Original price $ 149.99 - Original price $ 149.99
    Original price $ 149.99
    Current price $ 109.94
    $ 109.94 - $ 109.94
    Current price $ 109.94

    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...

    View full details
    Original price $ 149.99
    Original price $ 149.99 - Original price $ 149.99
    Original price $ 149.99
    Current price $ 109.94
    $ 109.94 - $ 109.94
    Current price $ 109.94
    Save $ 40.05 Save $ 0.00
  • Explore Scientific 52° Series 40mm Waterproof Eyepiece
    Save $ 40.05 Save $ 0.00
    Original price $ 179.99
    Original price $ 179.99 - Original price $ 179.99
    Original price $ 179.99
    Current price $ 139.94
    $ 139.94 - $ 139.94
    Current price $ 139.94

    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...

    View full details
    Original price $ 179.99
    Original price $ 179.99 - Original price $ 179.99
    Original price $ 179.99
    Current price $ 139.94
    $ 139.94 - $ 139.94
    Current price $ 139.94
    Save $ 40.05 Save $ 0.00
  • Explore Scientific 4.5mm 82° Series LER Waterproof Eyepiece - EPWP8245LE-01
    Save $ 50.05 Save $ 0.00
    Original price $ 269.99
    Original price $ 269.99 - Original price $ 269.99
    Original price $ 269.99
    Current price $ 219.94
    $ 219.94 - $ 219.94
    Current price $ 219.94

    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...

    View full details
    Original price $ 269.99
    Original price $ 269.99 - Original price $ 269.99
    Original price $ 269.99
    Current price $ 219.94
    $ 219.94 - $ 219.94
    Current price $ 219.94
    Save $ 50.05 Save $ 0.00
  • Explore Scientific 6.5mm 82° Series LER Waterproof Eyepiece - EPWP8265LE-01
    Save $ 50.05 Save $ 0.00
    Original price $ 269.99
    Original price $ 269.99 - Original price $ 269.99
    Original price $ 269.99
    Current price $ 219.94
    $ 219.94 - $ 219.94
    Current price $ 219.94

    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...

    View full details
    Original price $ 269.99
    Original price $ 269.99 - Original price $ 269.99
    Original price $ 269.99
    Current price $ 219.94
    $ 219.94 - $ 219.94
    Current price $ 219.94
    Save $ 50.05 Save $ 0.00
  • Explore Scientific 8.5mm 82° Series LER Waterproof Eyepiece - EPWP8285LE-01
    Save $ 50.05 Save $ 0.00
    Original price $ 269.99
    Original price $ 269.99 - Original price $ 269.99
    Original price $ 269.99
    Current price $ 219.94
    $ 219.94 - $ 219.94
    Current price $ 219.94

    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...

    View full details
    Original price $ 269.99
    Original price $ 269.99 - Original price $ 269.99
    Original price $ 269.99
    Current price $ 219.94
    $ 219.94 - $ 219.94
    Current price $ 219.94
    Save $ 50.05 Save $ 0.00
  • Explore Scientific 62° Series 9mm Waterproof Eyepiece
    Save $ 40.05 Save $ 0.00
    Original price $ 149.99
    Original price $ 149.99 - Original price $ 149.99
    Original price $ 149.99
    Current price $ 109.94
    $ 109.94 - $ 109.94
    Current price $ 109.94

    Explore Scientific 62° Series 9mm Waterproof Eyepiece

    Explore Scientific

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

    View full details
    Original price $ 149.99
    Original price $ 149.99 - Original price $ 149.99
    Original price $ 149.99
    Current price $ 109.94
    $ 109.94 - $ 109.94
    Current price $ 109.94
    Save $ 40.05 Save $ 0.00