For hunters rangefinders are used to measure shot distance. Whatever your game, distance is the most critical factor in placing an effective shot. Bow hunters would never go hunting with out their rangefinder, they know the difference between 40 yards and 45 yards is the difference between success and failure.
If distances are important to your activity you need a laser rangefinder. The accurate range to target information is an essential variable due to the fact that rocks, trees, hills, lakes, and rivers have a tendency to distort your depth perception even over short distances.
Various rangefinders performance characteristics are affected by things such as the size and reflectivity of targeted objects as well as weather conditions. Depending on the intended use, choosing the correct model of rangefinder is very important. The major features of these devices it helps to be familiar with are reflectivity, effective range, view indicators, battery sizes and body construction.
Laser rangefinders have had a wide variety of uses throughout the years. They are useful in any endeavor when it is necessary to know how far away a landmark or object is from a person. The military has used them in order to determine how far away a certain target may be or sniping or bombing purposes or to better estimate how long it may take to reach an enemy combatant.
Rangefinders are found to be helpful in the fields of geology or archaeology, where they can be used to build 3-dimensional models of the terrain simply by taking measurements at a select few locations.
Rangefinders have found by far the greatest popularity amongst golfers. Golfers have found them useful to be able to know how far a water hazard, a sand trap, or the pin may be - with a high degree of accuracy. This has improved the score of countless golfers across the world.