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Dad Approved Explore Scientific 52° Series 20mm Waterproof Eyepiece From Explore Scientific Price Crushed By 65% [djC0w51g]

$23.99 $76.99 -69%

Explore Scientific 52° Series 20mm Waterproof Eyepiece: The Ultimate Observation Tool The Explore Scientific 52° Series 20mm Waterproof Eyepiece is designed to elevate your stargazing experience. This versatile eyepiece, with its 20mm focal length, o

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Dad Approved Explore Scientific 52° Series 20mm Waterproof Eyepiece From Explore Scientific Price Crushed By 65% [djC0w51g]

Explore Scientific 52° Series 20mm Waterproof Eyepiece: The Ultimate Observation Tool

The Explore Scientific 52° Series 20mm Waterproof Eyepiece is designed to elevate your stargazing experience. This versatile eyepiece, with its 20mm focal length, offers a stunning 1-degree true field of view, making it perfect for observing celestial wonders like the Messier Marathon or exploring the Herschel Catalog. Its 52° apparent field of view provides an immersive experience, ensuring a comfortable and enjoyable observation session. The 20mm eyepiece is also a great choice for binoviewers, offering a compact size that complements various setups.

Exceptional Quality and Performance

Crafted with precision, the Explore Scientific 52° Series eyepiece boasts exceptional quality and value. Engineered as flat-field multi-element oculars, these eyepieces deliver a clear and sharp image, rivaling even comparably priced Plossl models. The EMD (Enhanced Multi-Layer Deposition) coatings on all lens-to-air surfaces ensure excellent contrast and clarity, allowing you to observe faint objects with ease. The 15mm eye relief and 18.2mm field stop diameter provide a comfortable viewing experience, while the removable flip-down style soft silicone rubber eyecup offers a customizable fit. Below are some key specifications:

  • Focal Length: 20mm
  • Barrel Size/Type: 1.25" O.D. / Double Taper
  • Weight: 181.4 grams; 6.4 oz.
  • Waterproof: O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 Minutes

Practical Uses and Target Audience

Whether you are an amateur astronomer or a seasoned observer, the Explore Scientific 52° Series 20mm Waterproof Eyepiece is an invaluable addition to your equipment. Its versatility makes it ideal for a wide range of applications, from observing deep-sky objects to enjoying terrestrial views. The ease of using averted vision, thanks to the wide field of view, allows for better observation of faint objects, making it perfect for target audiences who prioritize detail and clarity. With its waterproof and durable construction, this eyepiece is built to last, ensuring countless hours of enjoyable stargazing.

What Our Customers Say

February 4, 2026

Absolutely no complaints!

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February 4, 2026

Absolutely no complaints!

I am really enjoying this.

- Arianna R..

February 4, 2026

Absolutely no complaints!

A top product at a good price.

- Messiah J..

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