The NIkon PROSTAFF 1000 6x20 Laser Rangefinder puts a solid 1,000-yard maximum ranging capability into your hand, together with compact ergonomics that will fit your pocket. The 6x optical system makes seeing-and ranging-deer out to 600 yards a reality, while the Tru-Target system allows you to select either First Target or Distant Target Priority. Weather resistant/ rainproof construction.Choose between two different ranging modes depending on the situation. First target priority mode allows you to range an object as small as a fence post while distant target priority mode displays the range of the farthest target among a group of targets measured.