Nikon MONARCH 8.5x56 BAA617AA dvogled The 8.5x56 Monarch ATB Binocular from Nikon is a general purpose optic that offers a weather-sealed housing and slip-resistant handling. Additionally, the Monarch ATB binocular is equipped with a fully multicoated optical path, 56mm objective lenses and phase-correction coated prisms that render bright images with enhanced clarity and sharpness. Nikons Eco