PRECISION COMPASS. * LENSATIC *. PROVEN • RUGGED ACCURATE. CAMMENGA. FAX ( ANILINE AVE. HOLLAND, MICHIGAN Learn how to use the lensatic compass used by the US Military. I get lots of questions via email from people wanting to know how to use a lensatic compass, and I think I’ve covered that pretty well in a series of two posts.

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Whenever the luminous magnetic arrow lines up with the luminous short line, you’re following your intended azimuth.

How to Use the Engineer Compass. Tritium is considered safe for external use coompass it is a weak beta particle emitter – so weak in fact that the radiation it emits cannot penetrate human skin. Sometimes even a metal belt buckle can interfere with a compass, which can result in an incorrect reading. Close is good enough in horsehoes, but I’m hoping exact is the standard for artillery fire.

As long as you can hold the compass level and steady, the exact grip doesn’t matter. If you don’t, visit the page just hyperlinked. You now have your target’s bearing. A compass is a floating magnetic needle that always points toward a magnetic north pole. To check your process, and even add a little more commpass to it, find another feature and perform the same steps.


I get lots maanual questions via email from people wanting to know how to use a lensatic compassand I think I’ve covered that pretty well in a series of two posts.

For this task, the lensatic compass really shines. The mils are in black, and are the outer measurements on the ring.

Looking at the photo below, let’s lensattic you’re at the north end of Sheeler Lake, where the penciled X is. Depending on which text editor you’re pasting into, you might have to add the italics to the site name.

Put that hand up to the compass, steadying the compass by placing your index finger along the compass’s side, and wrapping your thumb between the bezel ring and the rear sight.

Hold the compass with your thumb fully in the thumb ring, and your index finger wrapped around and gripping the circular part of the underneath of the compass’s base. That way you skip the math, the protractor, the lines, and get it all done quicker. Resection with a lensatic compass is a process whereby you can determine your own location from that of two known points in the distance.

Warning Always double check your compass readings. Keep doing this until you get to where you want to go.

Using a Lensatic Compass

So, take your map and lay it down on a flat surface i. According to United States Army Corps of Engineers, the engineer compass is also called a lensatic compass.

Robin Reichert is a mwnual nutrition consultant, certified personal trainer and professional writer. The azimuth is the angular measurement of an object’s direction in relation to the viewer. Use the illustration above to familiarize yourself with the components of a lensatic compass.


Enroll in my personalized step-by-step video-based online course. Hold it square and straight in front of you like you mean business.

Lensatic Compass Guide

Turn the compass cover more or less perpendicular to the base. Use the engineer compass to find the direction by lining up the compass with an object. Learn Land Navigation Now. Keep your head still and then read the azimuth through the lens bracket.

Be sure you understand magnetic declination. Some of the components’ terms are used in the explanations below.

How to Read an Engineer Compass | Sciencing

We’ll start from the beginning, and go through everything you need to know to find your way over the terrain. To manial directions from your map, you’re going to need a protractor, a special instrument used for measuring angles. Raise the compass up to your eye. Hold the compass level by your thumb and index finger.

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