Explore Scientific 92 degree 12mm Long Eye Relief Eyepiece (2 inch)

🌌 Extreme Wide-Angle Eyepiece for Immersive Deep-Sky & Planetary Viewing

The Explore Scientific 92° 12mm Long Eye Relief Eyepiece is a flagship ultra-wide-field telescope eyepiece, designed for astronomers who demand maximum immersion, comfort, and optical performance. With a massive 92° apparent field of view, this eyepiece delivers a breathtaking “spacewalk” experience, rivaling the most premium eyepieces in the world.

Built with advanced multi-element optics, EMD coatings, and argon-purged waterproof construction, it ensures exceptional brightness, contrast, and durability—making it one of the best premium 2-inch eyepieces available in India.

🔍 Key Features

🌠 92° Ultra-Wide Field – True Spacewalk Experience

• Massive 92° apparent field of view for immersive viewing

• See vast sky areas with minimal edge distortion

• Perfect for:

  • Deep-sky objects (nebulae, galaxies)

  • Star clusters & Milky Way scanning

  • Wide-field planetary observation

🔬 Premium Optical Engineering

• 12mm focal length – ideal for mid-to-high magnification viewing

• 8-element / 6-group optical design for superior correction

• Fully multi-coated optics (EMD coating) for maximum light transmission and contrast

• Blackened lens edges & internal baffling to reduce reflections

👁️ Long Eye Relief – Ultimate Viewing Comfort

• ~19.9mm eye relief – excellent for eyeglass users

• Comfortable extended observing sessions

• Easy full-field viewing without eye strain

🌟 Exceptional Brightness & Contrast

• Delivers high contrast, sharp edge-to-edge clarity even in fast telescopes

• Excellent performance on:

  • Globular clusters

  • Nebulae & galaxies

  • Lunar & planetary detail

🛡️ Argon Purged – Waterproof & Built to Last

• Argon-filled, waterproof construction prevents fogging and dust ingress

• Ensures long-term durability in harsh environments

• Resistant to fungus, moisture, and internal contamination

🔧 Professional Build & Compatibility

• 2-inch (50.8mm) barrel – fits most telescopes

• Foldable rubber eyecup for comfort and stray light blocking

• Premium heavy-duty construction with secure grip

📊 Technical Specifications

• Focal Length: 12mm

• Apparent Field of View: 92°

• Eye Relief: ~19.9mm

• Optical Design: 8 elements / 6 groups

• Barrel Size: 2 inch (50.8mm)

• Field Stop: ~19.6mm

• Weight: ~1000–1100g (heavy-duty build)

• Length: ~154mm

• Coating: Fully Multi-Coated (EMD)

• Waterproof: Yes (Argon purged)

📦 What’s in the Box

• Explore Scientific 92° 12mm Eyepiece

• Protective caps

• Storage case / pouch

🎯 Ideal For

• 🌌 Deep sky observation (nebulae, galaxies, clusters)

• 🔭 Wide-field immersive astronomy

• 🌙 Moon & planetary viewing

• 🔬 Dobsonian, SCT & refractor telescopes

• 🧑🚀 Intermediate to advanced astronomers

🚀 Why Buy from Modern Telescopes?

• 🇮🇳 India’s Largest Telescope & Astronomy Equipment Distributor

• ✅ 100% Genuine Explore Scientific Products

• 🚚 Fast Delivery Across India

• 🛠️ Expert Astronomy Consultation

• 🏆 Trusted by Institutions, Observatories & Enthusiasts

🔑 Important Note

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💡 Final Verdict

The Explore Scientific 92° 12mm LER Eyepiece is a top-tier, ultra-premium eyepiece, offering extreme field of view, outstanding comfort, and exceptional optical performance—making it an essential upgrade for astronomers seeking a true immersive “spacewalk” experience.