8x 42mm Prime Binocular

8x Magnification with 42mm Objective lens diameter. EXO Barrier Protection - protective lens coating repels water oil dust debris. eXO Barrier also resists scratches on lenses. IPX7 Water proof construction with O-ring seal so optics stay dry inside. Fully multi-coated optics offer an anti-reflective view for bright high contrast images. Field of view at 1000yds: 50ft. Eye relief: 24mm. Exit pupil: 5.3mm. Close focus: 10ft. Twist-up eye cups. Roof prism system. BAK-4 Prism glass. Lead-free glass. Adaptable to tripod.