This Leica Duovid 10-15x50 Black Binocular is suited for observing objects at long distances as well as in dim light conditions. No matter the viewing situations, the Leica Duovid offers a bright and clear image. Switching betweens magnifications causes adjustments; however, the diopter value remains unchanged thanks to the automatic diopter compensation function. Leica Duovid 10-15x50 Black Binocular 40420 Like new demo Code U