Echo™ Pocket Scopes What could be the spy's most valuable tool; our new 7X18 monocular is remarkable. Built with BaK-4 prism glass, the multi-coated Pocket Scope has a near focus of only 13 inches. Quality optics have never been so small. Take a peek at the new Echo Pocket Scope before it takes a peek at you. Color: Green 1.3x3.3 1.8 oz 1.1 ft. Close focus 2.6mm Exit pupil 12mm Eye relief 181 ft. Field of view @ 1000 yds. BaK-4 prism glass Multi coated Includes lanyard and case One-year warranty