For high accuracy applications, use the Nikon Laser440 rangefinder. It can measure in English or metric units.
Features
Ranges distances from 11-440 yards
Scanning capability
Includes battery
Details:
The high accuracy Laser440 features scanning capability, focusing diopter, 8 power multicoated optics, and ranges distances from11-440 yards. All this with an amazing 1/2 yard accuracy. It's water resistant and is very lightweight at only 7 ounces.