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Long considered the “standard” eyepiece that is often supplied with telescopes that are sold by various suppliers, the 25mm focal length category is perhaps the most used eyepiece in the world. Like the 20mm, these eyepieces are great for binoviewer devices, and the 25mm is probably the longest focal length of the mid-power range eyepieces before you get into longer focal lengths.

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  • Original price $119.99 USD - Original price $119.99 USD
    Original price
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    Current price $119.99 USD

    Explore Scientific 52° 15mm Waterproof Eyepiece - 1.25"

    ES-EPWP5215-01
    2 in stock

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

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    Original price $119.99 USD - Original price $119.99 USD
    Original price
    $119.99 USD
    $119.99 USD - $119.99 USD
    Current price $119.99 USD
  • Original price $119.99 USD - Original price $119.99 USD
    Original price
    $119.99 USD
    $119.99 USD - $119.99 USD
    Current price $119.99 USD

    Explore Scientific 52° 20mm Waterproof Eyepiece - 1.25"

    ES-EPWP5220-01

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

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    Original price $119.99 USD - Original price $119.99 USD
    Original price
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    $119.99 USD - $119.99 USD
    Current price $119.99 USD
  • Original price $119.99 USD - Original price $119.99 USD
    Original price
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    $119.99 USD - $119.99 USD
    Current price $119.99 USD

    Explore Scientific 52° 10mm Waterproof Eyepiece - 1.25"

    ES-EPWP5210-01
    2 in stock

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

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    Original price $119.99 USD - Original price $119.99 USD
    Original price
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    $119.99 USD - $119.99 USD
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  • Original price $179.99 USD - Original price $179.99 USD
    Original price $179.99 USD
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    $179.99 USD - $179.99 USD
    Current price $179.99 USD

    Explore Scientific 52° 40mm Waterproof Eyepiece - 2"

    ES-EPWP5240-01
    Only 1 left!

    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 series. Explore Sc...

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    Original price $179.99 USD - Original price $179.99 USD
    Original price $179.99 USD
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    $179.99 USD - $179.99 USD
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  • Original price $149.99 USD - Original price $149.99 USD
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    Explore Scientific 52° 30mm Waterproof Eyepiece - 1.25"

    ES-EPWP5230-01
    2 in stock

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

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    Original price $149.99 USD - Original price $149.99 USD
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