Specifications for leica 8x42 noctivid full size binoculars: color: black magnification: 8 x objective lens diameter: 42 mm prism system: roof image stabilizer: no eye relief: 19 mm exit pupil: 5.25 mm field of view, linear: 443 ft at 100 yds optical coating: fully multi-coated binoculars focus system: center focus water resistant mark: 5 m weight: 30.3 oz finish: rubber armor package type: box magnification