Explore Scientific 68° 28 mm Eyepiece

1. Superior Optical Performance: The 68° series eyepieces are renowned for their exceptional optical clarity, offering a wide, comfortable field of view. The multi-element design is carefully crafted to minimize aberrations, ensuring sharp stars and excellent contrast from the center to the edge of the field.

2. Enhanced Multi-Layer Coatings: Each air-to-glass surface is treated with Explore Scientific's proprietary EMD (Enhanced Multilayer Deposition) coatings. These advanced coatings optimize light transmission across the visible spectrum, resulting in brighter, more vibrant images and significantly reduced ghosting or reflections.

3. Waterproof and Argon-Purged: Built for longevity and reliability, this eyepiece is completely waterproof and argon-purged. This advanced sealing protects the internal optics from moisture, dust, and fungi, while the inert gas prevents internal fogging, even in fluctuating temperatures, making it ideal for diverse observing conditions.

4. Comfortable Eye Relief: With approximately 22 mm of eye relief, the 28 mm eyepiece provides a spacious and comfortable viewing experience. This generous eye relief ensures that observers, including those who wear eyeglasses, can easily take in the full 68° apparent field without straining, enhancing prolonged observation sessions.

ABOUT THE EXPLORE SCIENTIFIC 68 28 MM EYEPIECE

The Explore Scientific 68° 28 mm Eyepiece stands out in its series by balancing a generous 68° apparent field of view with a comfortable 22 mm eye relief, making it an excellent choice for broad deep-sky observations and lunar viewing. Its relatively long focal length provides a medium to low magnification, perfect for scanning star fields or observing larger nebulae with a wide perspective. Engineered for precision, it features an advanced multi-element optical design with EDM (Enhanced Multilayer Deposition) coatings on all air-to-glass surfaces to maximize light throughput and deliver bright, high-contrast images. The robust construction includes a sealed, argon-purged housing, ensuring the internal optics remain free from fogging, dust, and moisture, even in challenging environments. This eyepiece is ideal for astronomers seeking a versatile, high-performance optic that combines wide-field immersion with optical precision, providing a truly immersive stargazing experience. The use of original Explore Scientific accessories and careful maintenance will significantly prolong the lifetime and performance of this eyepiece.

ABOUT EXPLORE SCIENTIFIC

Explore Scientific, a brand headquartered in Springdale, Arkansas, USA, was founded to provide high-quality optical instruments to amateur and professional astronomers. Known globally for its commitment to delivering products that offer exceptional value and performance, Explore Scientific emphasizes innovation and optical excellence. Their product philosophy centers on creating instruments that are not only optically superb but also rugged and durable, designed to withstand the rigors of field use. The company has built a strong reputation within the astronomy community for its wide range of telescopes, eyepieces, and accessories, often incorporating advanced technologies like their proprietary optical coatings and waterproof designs to enhance the observing experience.

MAIN FEATURES

• Focal Length: 28 mm

• Apparent Field of View: 68° for an immersive wide-angle experience.

• Barrel Size: 2" (50.8 mm) for compatibility with most modern astronomical telescopes.

• Eye Relief: Approximately 22 mm, providing comfortable viewing for all users, including eyeglass wearers.

• Optical Design: Advanced multi-element design to deliver sharp, high-contrast images across the entire field.

• Lens Coatings: EMD (Enhanced Multilayer Deposition) coatings on all air-to-glass surfaces for maximum light transmission and reduced reflections.

• Housing Material: Durable matte black anodized aluminum with ribbed rubber grip for secure handling.

• Waterproof and Argon-Purged: Sealed and purged with inert argon gas to prevent internal fogging and protect against moisture and dust.

IN THE BOX

• Explore Scientific 68° 28 mm Eyepiece

• Dust caps (front and rear)

• Protective bag

• User manual