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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Explore Scientific 68° Series 1.25" 20mm Waterproof EyepieceThe 68 Series 20mm is a versatile general purpose eyepiece built around a lanthanum glass optical design that produces sharp, well corrected images across the full 68 field. At moderate magnification, it handles everything from bright nebulae to galaxy cores with a wide, comfortable view. Waterproof construction and premium coatings at $109 place it well above entry level quality. Key Features Multi element lanthanum glass optics precision ground
The 68° Series 20mm is a versatile general-purpose eyepiece built around a lanthanum glass optical design that produces sharp, well-corrected images across the full 68° field. At moderate magnification, it handles everything from bright nebulae to galaxy cores with a wide, comfortable view. Waterproof construction and premium coatings at $109 place it well above entry-level quality.
Key Features
- Multi-element lanthanum glass optics — precision-ground dense crown, light crown, dense flint, and lanthanum glasses deliver sharp, color-free images
- 68° apparent field of view — frames deep-sky objects with generous surrounding context for easier orientation and more immersive observing
- Argon-purged waterproof housing — sealed and fog-proof for dependable performance in dew, humidity, and temperature swings
- Enhanced Multi-Layer Deposition (EMD) coatings on all air-to-glass surfaces with edge-blackened elements for high contrast
- Fold-down silicone rubber eyecup for comfortable extended viewing
- 1.25" barrel compatible with standard focusers across telescope types
Ideal For
- General-purpose deep-sky observing — open clusters, nebulae, and galaxies all benefit from the wide field and moderate magnification
- Star party workhorse — comfortable to use, wide field makes it easy for visitors to find the view, and the waterproof build survives dew-heavy nights
- Observers who value optical quality and want lanthanum glass performance without the cost of ultra-wide-field designs
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy