BT-100 SF Large Binoculars with 62 Degree LER Eyepieces

Experience a new dimension of observation with the Explore Scientific BT-100 100mm giant binoculars. Designed for both astronomy and terrestrial viewing, these binoculars feature 100mm objective lenses and a 560mm focal length, delivering bright, high-contrast images of celestial objects, landscapes, and distant terrestrial subjects. Each eye benefits from its own complete optical system, making viewing more natural, comfortable, and fatigue-free. The BT-100 comes with two premium 62° 20mm LER eyepieces, producing 28x magnification with a wide 2.3° field of view. Interchangeable 1.25" eyepieces allow further customization, including the use of filters for enhanced contrast and visibility. Built for tough conditions, the magnesium housing is IPX6 waterproof and nitrogen-purged to prevent internal fogging. The 45° viewing angle, extendable dew caps, and fine helical focus provide a comfortable experience even during long observing sessions. The integrated carrying handle ensures secure transport and easy tripod assembly.

For maximum stability, pair the BT-100 with a suitable photo tripod or the optional Explore Scientific U-Mount with Field Tripod. With its combination of large aperture, premium optics, and rugged design, the BT-100 is ideal for enthusiasts seeking unmatched clarity and comfort in giant binoculars.