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Explore Scientific 92° Series 12mm LER Waterproof Eyepiece

SKU EPWP9212-01
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Original price $0.00 - Original price $0.00
Original price $0.00
$799.99 - $799.99
Current price $799.99
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Explore Scientific 92 Degree Series 12mm LER Waterproof Eyepiece - EPWP9212-01

Presenting the distinguished Explore Scientific 92° Series 12mm LER Waterproof Eyepiece - a recipient of the coveted Sky & Telescope Hot Product Award for 2017!

Elevate your stargazing experience with this exceptional ocular from Explore Scientific's renowned 92° Series.

These hyper-wide class eyepiece are meticulously designed to redefine your visual journey through the cosmos.

The initial gaze through a ES 92° Series12mm LER Eyepiece is nothing short of awe-inspiring, as you find yourself immersed in a boundless expanse of celestial wonders, with no perceptible barrier between you and the universe itself.

Boasting an apparent field of view that approaches the upper threshold for hyper-wide eyepiece design, object localization becomes an effortless endeavor.

Even in non-driven telescopes, celestial objects remain comfortably ensconced within the field of view for extensive periods before necessitating any adjustments.

One of the most remarkable advantages of hyper-wide 92° Series 12mm LER Eyepiece lies in their facilitation of averted vision, a technique where you subtly shift your gaze away from the object of interest.

Explore Scientific 92° Series 12mm Waterproof Eyepiece

This skill, leveraging the more light-sensitive area of your eye, proves invaluable when observing faint celestial entities, enabling you to discern even the most delicate intricacies.

Crafted with precision and featuring advanced optical technology, the Explore Scientific 92° Series 12mm LER Waterproof Eyepiece stands as a testament to the brand's commitment to providing astronomers with unparalleled viewing experiences.

Whether you are a seasoned stargazer or an enthusiastic beginner, this eyepiece is poised to take your observations to new heights.



  • 92° Apparent Field of View: Offers an exceptional 92-degree apparent field of view. This wide field provides observers with an immersive and expansive view of the night sky, enhancing the visual experience and allowing for the capture of panoramic celestial vistas.
  • 12mm Focal Length: With a 12mm focal length, this eyepiece strikes a balance between magnification and field of view. It is versatile and suitable for a wide range of astronomical observations. This focal length is ideal for detailed examinations of lunar and planetary features, as well as for exploring deep-sky objects.
  • Long Eye Relief (LER): The eyepiece features Long Eye Relief (LER), providing comfortable viewing for observers who wear eyeglasses. This extended eye relief allows for relaxed and immersive stargazing sessions without the need to remove eyeglasses, enhancing the overall observing experience.
  • Argon-Purged Waterproof Design: Internally sealed and purged with dry, inert argon gas. This innovative design ensures that the eyepiece remains waterproof, preventing moisture or fogging from affecting the optical elements. This construction enhances the eyepiece's durability and longevity, making it suitable for various observing conditions.
  • Rigorous Water Testing: To validate its waterproof capabilities, each 92° Series eyepiece undergoes extensive testing by being submerged in water up to a depth of one meter for a duration of 30 minutes. This rigorous testing process assures users of the eyepiece's ability to withstand different environmental conditions, including damp or humid observing environments.
  • Fully Multi-Coated Optics: Multiple layers of anti-reflective coatings have been applied to each optical element. These coatings maximize light transmission while minimizing glare, reflections, and internal scattering, resulting in exceptionally clear and bright views of celestial objects with enhanced contrast.
  • Edge-Blackened Optics: The optical elements of the eyepiece are edge-blackened, further enhancing image quality. This process reduces internal reflections and stray light, leading to increased contrast and improved image sharpness. The elimination of unwanted light artifacts ensures that celestial objects appear with exceptional clarity.
  • Precision-Machined Metal Construction: Meticulously crafted with precision-machined metal components. This construction ensures durability and longevity, making these eyepieces reliable companions for years of stargazing adventures. The robust design also maintains optical alignment, guaranteeing consistent performance over time.
  • Threaded Barrels: The eyepiece barrels are threaded to accommodate filters, allowing users to enhance their observations by adding various astronomy filters. This feature enables astronomers to customize their viewing experience and adapt to specific celestial targets and conditions.
  • Wide Compatibility: Compatible with a variety of telescope types and mounts, making it a versatile addition to any astronomer's equipment arsenal. Whether you have a refractor, reflector, or catadioptric telescope, this eyepiece can deliver remarkable views of the cosmos.
  • Included Accessories: The accessory set accompanying the Explore Scientific 92° Series 12mm LER Waterproof Eyepiece includes protective eyepiece caps, comfortable soft silicone rubber eyecups, a secure eyepiece pouch/case for storage, and is complemented by a limited 1-year warranty, ensuring heightened peace of mind for users.


                                                                          What's Included:

                                                                          ✓ Explore Scientific 92° Series 12mm Waterproof Eyepiece

                                                                          ✓ Eyepiece Caps

                                                                          ✓ Soft Silicone Rubber Eyecups

                                                                          ✓ Eyepiece Pouch/Case

                                                                          ✓ Limited 1 year warranty


                                                                          Item Number  EPWP9212–01
                                                                          Focal Length  12 mm
                                                                          Length  152 mm
                                                                          Width  70 mm
                                                                          Weight  2.4 lbs.
                                                                          Barrel Size  2.00"
                                                                          Eye Relief  20.02 mm
                                                                          Field Stop Diameter  27.46 mm

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