Sustainable Bt-70 Sf Large Binoculars With 62 Degree Ler Eyepieces Take An Extra 65% Off [Bn3gZorW]

BT-70 SF Large Binoculars: A Stellar Observation Experience

The BT-70 SF Large Binoculars are designed for those who seek to explore the wonders of the night sky and terrestrial landscapes with unparalleled clarity and detail. Boasting a 70 mm objective diameter and 400 mm focal length, these binoculars offer exceptional light-gathering capabilities, making them perfect for observing the moon, planets, and bright deep sky objects. With their robust construction, sealed and nitrogen-filled design, and convenient 45-degree view, these binoculars are not only durable but also user-friendly. Key features include: a 62-degree LER eyepieces for a wide field of view, individual focusing for precise adjustments, and an extendable dew cap to minimize condensation on the lenses.

• Robust and weatherproof design
• High-quality 62-degree LER eyepieces
• Individual focusing for optimal viewing

Technical Specifications and Performance

The BT-70 SF Large Binoculars are equipped with an achromatic refractor Porro optical design, ensuring clear and sharp images. With a focal ratio of 5.7 and an apparent field of view of 62 degrees, these binoculars offer a wide field of vision for a comprehensive observation experience. The Enhanced Multilayer Deposition (EMD) coating on all lens surfaces enhances light transmission and reduces glare. The binoculars are waterproof to IPX6 standards, making them suitable for use in challenging weather conditions. Key specifications include: a 70 mm objective diameter, 400 mm focal length, and a field of view of 3.1 degrees. The binoculars also feature a carrying handle for easy transport and a tripod connection for stable observation.

• 70 mm objective diameter for enhanced light gathering
• 400 mm focal length for detailed observation
• Waterproof to IPX6 standards for durability

Practical Applications and Benefits

The BT-70 SF Large Binoculars are ideal for astronomy enthusiasts, nature lovers, and anyone seeking to explore the world around them. Whether you're observing celestial bodies, wildlife, or landscapes, these binoculars provide a comfortable and immersive viewing experience. Their lightweight magnesium housing and convenient carrying handle make them easy to transport, while the interchangeable eyepieces allow you to customize your viewing experience. The BT-70 SF Large Binoculars are perfect for use in various scenarios, including camping trips, birdwatching, and astronomy clubs. Benefits include: a wide field of view for comprehensive observation, comfortable viewing with 62-degree LER eyepieces, and a durable design for long-lasting use.

• Wide field of view for comprehensive observation
• Comfortable viewing with 62-degree LER eyepieces
• Durable design for long-lasting use