BT-70 SF Large Binoculars with 62 Degree LER Eyepieces

Portable Wide-Field Clarity & Immersive Stargazing Comfort

Experience brilliant, wide-field celestial views with an optical system engineered for maximum mobility and eye-relief comfort. The BT-70 SF Large Binoculars with 62 Degree LER Eyepieces combine a versatile 70mm objective aperture with high-transmission optical coatings to gather rich light while maintaining a lightweight frame. Outfitted with wide-field 62-degree Long Eye Relief (LER) eyepieces and ergonomic 45-degree angled oculars, this setup delivers comfortable, sharp 3D views that easily accommodate spectacle wearers. Whether scanning distant star clusters or taking in expansive wilderness horizons, the BT-70 SF Large Binoculars with 62 Degree LER Eyepieces offer the ideal balance of grab-and-go portability and high-performance binocular observing.

Perfect For:

• Tourist Areas
• Lookouts
• Forestry Outposts
• Oceanic Viewing
• Boats & Ships
• Grab-and-Go Stargazing
• Lunar & Bright Nebula Viewing
• Panoramic Landscape & Wildlife Spotting

Features & Benefits

🔭 70mm Objective Lenses: Gathers generous light for crisp, bright views of lunar landscapes, star fields, and deep-sky targets.

👁️ 62° Wide-Field LER Eyepieces: Delivers an immersive field of view with generous eye relief for comfortable, long-duration viewing—even with glasses.

📐 Ergonomic 45-Degree Viewing Angle: Keeps your neck relaxed while observing targets high at the zenith or across wide terrain.

👀 Natural Binocular Perception: Engaging both eyes reduces strain and provides a rich, realistic depth of field compared to standard spotting scopes.

🎒 Lightweight & Portable Build: Features a durable, field-ready chassis that sets up quickly on a tripod for effortless stargazing trips.

Designed to fuel your sense of curiosity wherever your journeys lead, this versatile optical setup turns every clear night into a personal space odyssey. Embrace the depth and beauty of the night sky with the exceptional portability and clarity of the BT-70 SF Large Binoculars with 62 Degree LER Eyepieces.

Product Specs:

Product Warranty 

This product comes with a limited warranty. Click Here to view the full Explore Scientific Warranty Policy.

Product Manual & Resources

Product Manual

Warnings

⚠️ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

⚠️ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov