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