"A great buy on multicoated optics with BaK4 porro prisms, the Fullfield produces ultra-bright, glare-free images with high resolution. Waterproof and fogproof with right-eye dioptic adjustment, Focus lock allows you to set and lock the focus at an optimum distance. O-ring sealing locks out moisture and the rubber armor coating eliminates glare, reduces noise and provides impact protection. The optical design delivers a long eye relief without sacrificing the wide field of view. The large exit pupil makes these binoculars excellent in low light conditions and extended viewing periods. Tripod adapter. Lens covers. Neck strap and padded carry case. Field of view (@1000yds) 430'. Eye relief: 25.4 mm. Exit pupil: 5 mm. Size: 5.9 x 6.75 x 5.5"". Weight: 31 oz. Closeouts. Japan."