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BT-82 SF Large Binoculars with 62 Degree LER Eyepieces

BT-82 SF Large Binoculars with 62 Degree LER Eyepieces

SKU: 01-14230

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Price: $1,799.99 USD
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See the Universe in Immersive Detail — Ultra-Wide View, Maximum Light

The BT-82 SF Large Binoculars with 62° LER Eyepieces bring sweeping, ultra-wide views and exceptional light-gathering power in a rugged, field-ready package. With massive 82 mm objectives and deluxe 62° large-eyepiece optics, these binoculars deliver bright, sharp, and immersive views whether you’re stargazing, birding at dawn, or scouting sweeping landscapes. Built tough for outdoor use and crafted for comfort, they transform every viewing session into a vivid, expansive experience.

Features & Benefits:

🔭 82 mm objective lenses with large 62° LER eyepieces — deliver bright, edge-to-edge, wide-angle views to capture sweeping landscapes, star fields, or wildlife scenes.

💡 High light-gathering capability — excels in low-light conditions (dawn, dusk, deep forests, or night sky), giving you crisp detail when others struggle.

👁️ Wide apparent field of view — makes scanning for birds or stars easier, and keeps subjects in view even while panning.

🛡️ Rugged, durable build — designed for outdoor adventures, resistant to handling, and ready for field use in varied conditions.

🔧 Comfortable viewing for long sessions — large eyepieces reduce eye-fatigue, ideal for extended observation nights or long hikes.

🎒 Versatile for multiple uses — perfect for stargazing, birdwatching, wildlife spotting, scenic viewing, or stargazer-level astronomy use.

With the BT-82 SF Large Binoculars with 62° LER Eyepieces in your hands, every sunset ridge, bird song at dawn, or star-sparkled sky becomes a portal — a chance to see the world with wonder, detail, and endless possibility.

Tech Specs: 
Specification Details
Item Number 01-14210
Optical Design Achromatic Refractor Porro
Mirror / Lens Diameter 82 mm
Focal Length 470 mm
Focal Ratio f/5.7
Apparent Field of View 62°
Coating Type Enhanced Multilayer Deposition (EMD)
Exit Pupil 3.5 mm
Field of View 2.6°
Waterproof Yes
Water Resistance Rating IPX6
Eye Relief 15 mm
Total Length 445 mm
Total Width 226 mm
Total Height 122 mm
Net Weight 4300 g
Housing Material Magnesium

 

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


Giant Binoculars for Astronomy and Nature

82mm objective lenses and 480mm focal length provide bright, detailed views of the moon, planets, deep-sky objects, and terrestrial targets.

Premium Optics with Interchangeable Eyepieces

Includes two 62° 20mm LER eyepieces; compatible with all 1.25" / 31.7mm eyepieces to adjust magnification from 18x to 60x.

Close-up of a scientific instrument with 'Explore Scientific' branding on a white background

Rugged, All-Weather Design

Magnesium housing is waterproof, nitrogen-purged, and sealed to prevent internal fogging for reliable outdoor performance.

Comfortable, Versatile Viewing

45° viewing angle, extendable dew caps, integrated carrying handle, and fine helical focus ensure relaxed, precise observation.

Images shown—including LCDs, videos, and gallery photos—are for inspiration and reference only.

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