The commander 7x50 combines razor sharp high definition optics with a rugged functional design the optics have exceptional clarity and contrast offering edge to edge sharpness and an excellent field of view add to this the precision reticle and you have an indispensable pair of marine binoculars sports auto focus allows everything to be in focus from 20m to infinity 7x magnification operating temperature from 40c to 80c field of view at 1000m 145m dimensions wxhx