The Steiner Police 10x50 binocular is ideal for activities like law enforcement, surveillance and emergency response. Due to the power x objective diameter of 10x50, this Steiner 36oz binocular collects more light to transmit to the eye for clear visibility. The field of view of 300 ft at 1000 yards in this Steiner binocular lets you have a wider view of your target. The exit pupil of 5.0 mm in this Steiner 36oz binocular enables you to get a clear view in different light conditions. The Steiner Police 10x50 features an eye relief of 17 mm so even the spectacles wearer can use it without any trouble. The prism material of BaK-4 in this Steiner binocular helps in producing clear images in front of your eyes.