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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Now, hold the compass level and squarely in front of you.

How to Read an Engineer Compass | Sciencing

Use the illustration above to familiarize yourself with the components of a lensatic compass. Since the ultimate goal is to transfer the angle between the map and compass, why not do it directly? Face the object that you want to measure using the engineer compass.

Robin Reichert is a certified nutrition consultant, certified personal trainer and professional writer. In the daytime, you’ll normally find something in the distance on your azimuth and walk to it, so you don’t have to keep staring at the compass. Enroll in my personalized step-by-step video-based online course.

At night, however, or in other periods of limited visibility fog, blizzard, etc keeping these two luminous lenstic lined up will be your only remedy. Copyright Leaf Group Ltd. How to Hold a Lensatic Compass. 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.

One disadvantage is, unlike the orienteering compass, it’s not easy to make it double as a protractor, meaning you’ll have to carry a protractor with you. Pick up your map and head out! Putting the two in a opaque bag or enclosure is effective as well. Keep doing this until you get to where you want to go. Two-hand Hold of the Lensatic Compass. Note the red number on the dial, which is the degrees under the black index line on the compass face.


It’s important to hold your compass stable, squarely in front of you, and level. It has a half life of about 12 years.

In the last article we talked about declination, and how magnetic north and true north will vary depending on location and surrounding features. This, in a nutshell, lenatic how to perform a lensatix with a lensatic compass.

This is a low level radioactive isotope that is used in a multitude of applications where self-powered illumination is necessary. Raise the compass up to your eye. Have no fear, the science here is sound a proven.

Then, you place your protractor lnesatic the map with its center point at your current position, making sure the north-south lines on the protractor line up with the north-south lines on the map.

Hold the compass level by your ldnsatic and index finger. There’s a better way, I believe, from both a time and an accuracy standpoint. Whenever the luminous magnetic arrow lines up with the luminous short line, you’re following your intended azimuth. Use the engineer compass to find the direction by lining up the compass with an object.

Depending on which text editor you’re pasting into, you might have to add the italics to the site name. The mils are in black, and are the outer measurements on the ring. Well, that is, unless you’re doing something silly like holding the compass backwards.


Learn Land Navigation Now. So with that in mind, I’ll start a series of short articles that each focus on a single tip for getting the most out of your compass. The only problem is that this process takes time and tools.

Lensatic Compass Guide

After reading those two articles anyone should be able to go out and perform basic land navigation with a map and lensatic compass. Compase of the components’ terms are used in the explanations below. With the thumb loop all the way down under the compass, put the thumb of one hand all the way inside the loop, and place the index finger of that same hand along one side of the compass.

That way you skip the math, mamual protractor, the lines, and get it all done quicker. Warning Always double check your compass readings. How to Calculate Azimuth. It has replaced radium in recent decades after it was discovered that radium exposure compads linked to an increased occurrence of bone cancer.

Use the engineer compass to measure the azimuth to take a bearing or direction. Looking at the photo below, let’s say you’re at the north end of Sheeler Lake, where the penciled X is. You can use this feature to set your compass in the dark.

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