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Explore Scientific  |  SKU: EPWP5203-01

Explore Scientific 52° Series 1.25" 3mm Waterproof Eyepiece

$89.99 $107.99

Bonus offer: after adding this item to cart, add 3 other eyepieces + the soft-sided case to get it for Free ($49.99 value)

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Ships from US warehouse in 1-2 business days

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Explore Scientific 52° Series 1.25" 3mm Waterproof Eyepiece



  • 3mm Focal Length
  • 52° Apparent Field of View
  • 1.25" Diameter Barrel
  • Fully EMD Multi-Coated Optics
  • Argon-Filled, Water and Fogproof
  • Slip-Resistant Textured Surface
  • Fold-Down Eyecup


Elevate Your Astronomical Observations to New Heights

The Explore Scientific 52° Series 1.25" 3mm Waterproof Eyepiece is the latest addition to the esteemed line of premium eyepieces, offering unmatched clarity and precision for high-power viewing. Designed to complement a wide range of telescopes, this eyepiece is your key to unlocking the finest details of the cosmos.

  • Ultra-Precise 3mm Focal Length: Ideal for detailed, high-power observations of planets, close-paired double stars, and bright, compact deep-sky objects, delivering magnifications of 160X with an ED80mm f/6 and up to 405X with an ED152 at f/8.
  • Wide 52° Apparent Field of View: Offers a substantial viewing angle for an immersive observation experience, allowing you to fully appreciate the beauty and complexity of celestial objects.
  • Exceptional Optical Clarity: Enhanced Multi-Layer Deposition (EMD) Coated optics and edge-blackened lenses ensure superior contrast and brightness, highlighting even the subtlest celestial details.
  • Comfort and Durability Built-In: Features a generous 15mm of eye relief for comfortable viewing sessions, alongside argon-filled, waterproof, and fog-proof construction for durability in any observing conditions. The slip-resistant textured surface and fold-down eyecup enhance ease of use.

Designed for Discerning Astronomers

Whether you’re captivated by the turbulent storms of Jupiter or the majestic rings of Saturn, the 3mm eyepiece offers the power and clarity needed for those moments of exceptional seeing. Its design prioritizes on-axis performance, making it the perfect tool for observers who demand the highest quality from their equipment.

Adaptable and Versatile

This eyepiece is not just about power; it’s about versatility. It performs excellently across a variety of telescopes without the need for a Focal Extender or Barlow, providing a straightforward path to high magnification. It's an indispensable tool for those nights when the atmosphere is just right, offering incredible value and performance in a compact form.

Unlock the Universe with Every Look

The Explore Scientific 52° Series 3mm Eyepiece is more than an accessory; it's a gateway to the unseen intricacies of the night sky. Crafted for enthusiasts and professionals alike, this eyepiece is ready to transform your visual astronomy experience, inviting you to delve deeper into the cosmos with every observation.

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Explore Scientific 52° Series 1.25" 3mm Waterproof Eyepiece | EPWP5203-01 | 811803030008

Explore Scientific 52° Series 1.25" 3mm Waterproof Eyepiece

$89.99 $107.99





Focal Length

3 mm

Focal Ratio


Field of View



Enhanced multi-layer deposition (EMD) coatings

Argon-purged, water and fog proof

15mm eye relief

2.7mm field stop diameter

Barrel Size



90.9mm length

43mm width


204.1 g | 7.2 oz
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