Laser Range Finder

Measuring the distance to a target is a challenge without a laser ranger finder. It is often the only practical way to do it, unless you know the coordinates of the target and have a GPS receiver handy. A range finder that uses a laser has several advantages over the other types, including greater accuracy and range. Before choosing a laser range finder, compare several models to see if they have any advanced features that improve their performance. Some models have a computer that calculates the effect of gravity on a bullet or arrow, which is very useful for a hunter or sports shooter.

A modern range finder uses reflected energy to measure the distance to a target. Some of the ways this can be done include sonar, radar, infrared light, and laser beam. In all cases, the time taken for the reflected energy to return is used to calculate the distance to the object. The maximum range for an object depends on how reflective it is, with the worst reflectors having the smallest maximum range. A laser range finder sends out a pulse of laser light and then waits for the reflected light to come back. Using the constant speed of light, it calculates the distance to the target from half of the total time.

Range finders are used in many different ways for work, sport, or recreation. Surveyors use them to measure the distance between two points on the landscape, without having to stretch a measuring tape between them. Builders also use them to measure the distance between different parts of a building. Military forces use range finders to improve the accuracy of their heavy weapons, such as artillery. Photographers use them to work out the camera settings they need to get the best focus. Hunters also use them to measure the distance to their targets, so they can adjust their aim for the effects of gravity. In most cases, a laser range finder is the preferred choice because it has the best accuracy and range.

At first glance, a laser range finder looks like a pair of compact binoculars. One the front, there is a lens which the laser exits from. On the back, there is a small LCD display that shows the view from the lens. Looking through the lens is a more accurate way to sight a target, especially when there are many targets in the field of view. To avoid the laser range finder slipping out of your hands in wet weather, choose a model that has a textured grip on the top and bottom surfaces. Black is a common color for the housing, but there are also models used for hunting that have a camouflage pattern.

There are plenty of features to consider when choosing a laser range finder. The maximum range, magnification, and field of view should be good enough to meet your requirements. Models that can be held in one hand and operated by pressing a single button are popular, although not all models are this user friendly. It should be able to continue working in light rain and fog but does not have to be totally waterproof. Angle range compensation (ARC) is an advanced feature that calculates the true distance on a hill slope, and so is variable sight-in which helps with aiming a shot from a bow or rifle. If possible, get a model that has a carry strap and protective case, as these are very handy out in the field.

Of course, safety is an important concern when using a laser. You can permanently damage your eyesight by looking at a powerful laser for just a fraction of a second. It is even possible to damage the eyesight of someone who is standing miles away from the laser. There are many different classes of laser on but not all of them are dangerous. A laser range finder is perfectly safe to use because it has a Class 1 Laser, which is the same type used in tiny laser pointers. This type is considered harmless because it has very little power, so protective glasses are not required when using a laser range finder.

This Laser Range Finder Review is Written/Updated on Mar 6th, 2011 and filed under Consumer Electronics. Both comments and pings are currently closed.

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