buybinoculars911.com STEINER 7X50 MILITARY R DESERT COYOTE June 30th, 2009 The Military R series sets the standards for durability and performance and the 7×50 is no exception. It features Steiner’s revolutionary Sports Auto Focus system, which once set to the user’s individual eyesight allows observations from 60′ (18.3 m) to infinity without the need for focus readjustment.As a 7×50 it is an ideal boating binocular. Included is a M-22 reticle, useful in many military applications.