... spotting scope, waterproof,BAK-4 prism,fully multi-coated, double wheels side adjust,wide view angle,high resolution 24-72X100 spotting scope, waterproof ... , BAK-4 prism, fully multi-coated, double wheels side adjust, wide ... ° FIELD OF VIEW(at 1000m/1000yds): 37m/111ft-16m/48ft PRISM TYPE: BAK-4 CLOSE FOCUS(m): 7.5 EXIT PUPIL ...