The Pulsar Merger Duo NXP50 is a multispectral binocular that combines thermal and digital night vision into one unit. It allows for viewing in visible, near infrared, and long-wave infrared frequencies, making viewing possible 24/7 regardless of weather conditions. The Merger Duo also features a picture and picture function that allows for simultaneous display of both images, prioritizing the thermal or digital one. It also has a fast aperture lens and highly sensitive thermal sensor that work together to provide high quality, detailed, and high contrast images.Super wide thermal field of viewTwo eye pieces for comfortable and immersive viewingCan focus on animals just a couple of meters away