A lensatic compass is often referred to as a military compass, and is typically used by the u. Our heritage lensatic compass combines a vintage look with modern features that include a liquid interior and precision alignment. Like any skillit is good to practice navigating with a lensatic compass lenastic your life depends on it. Compass the careers benchmark tool a selfevaluation tool for. Obvious examples of the simpler tools available are the protractor, map, compass, and. Lay the compass down on the map so its long side is parallel with the northsouth axis of the map. Instead you will use an imaginary line that runs down the center of the compass. The scope of this lesson is to reinforce the and evaluate the warrior. It is an essential tool you will want to take with you on all your outdoor adventures. How to use a lensatic compass protractor the normal method to transfer angles from your lensatic compass to your map and back is with a protractor and a pencil. Hold the compass steady and level, and up to your face. The base forms the body of the compass and holds the needle, dial and rotating scales. Plotting a bearing on a map using a round lensatic compass north is 0 degrees, so a declination of 10 degrees west would mean that you would point at degrees to point at true north.
The lensatic compass differs from the base plate model in many ways. North arrow of the lensatic compass will point 11 degrees west of true north. Use a compass to explore, navigate, map terrain and travel around the world. How to use a compass the most important piece of gear to help you find your way. The rear lens flips out when the compass is open, and is used to read the dial. When the compass is adjusted then geographic north is the reference point for both the compass and the map.
It has its advantages and disadvantages over the orienteering compass. Place the fully opened compass on the map with the scale edge alongside a northsouth meridian longitudinal line, grid line. To hold up in the field, these compasses developed by cammenga are shockproof, waterproof, and sandproof making them useful options in deserts and maritime operations. Compass basics a compass is one of the most basic navigation tools any hiker can own.
Inspect the three major parts of the lensatic compass. A lot of compasses are called prismatic when they are not. Nomenclature the lensatic compass consists of three major parts. These three major components can be broken down even further. Identical vial currently installed into our lensatic compass, nsn 660501196 6971. As the name implies, the lensatic compass employs a lens in. Ton wilks lensatic compass evaluation free download as pdf file. I cannot find the origin of the word compass as applied to the magnetic compass. Directions for using an engineer lensatic compass gone.
A compass is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions or points. Cammenga precision lensatic instructional booklet pdf. It needs no batteries, works with any map, and even works without a map. Land navigation lensatic compass and map use youtube. Shows how to use the usgi issue lensatic compass to orient the map, plot a course based on two welldefined. A typical lensatic compass is shown at the right from fm here, they agree, so there is no deviation and the measurements have been accurately taken. First, instead of a clear and rigid plastic base, the lensatic compass has articulating pieces, including a cover that protects the floating dial. Holding the lensatic compass in this position, rotate the bezel until the luminous indicator is over the north arrow of the dial. The tritium lensatic compass is built to the demanding specification milprf10436n. It is generally easier to adjust the compass for declination, rather than the map. Plotting a bearing cmopass a map using a round lensatic compass sighting the bearing to determine our location we are going to combine two pieces of information on our map.
Keep this in mind if this compass makes your short list. How to use a lensatic military compass navigate safely in. Cammenga 27 phosphorescent lensatic compass without tritium. Cammenga precision lensatic instructional booklet pdf download. Oct 11, 2010 keep this in mind if this compass makes your short list. California cadet corps curriculum on military knowledge. Land nav task 10 orient a map using a lensatic compass. The term lensatic compass is is used most frequently in the military, and only in reference to one specific model of compass. Plotting a bearing on a map using a round lensatic compass.
Introduction the instructions in this booklet are for the cammenga lensatic compass currently being distributed by the u. One advantage is its probably more accurate when it comes to shooting azimuths, meaning the act of determining the specific compass direction to a spot on the earth. Before continuing with the slide the lensatic compass has 3 parts with features on each part. The process for adjusting declination on a compass depends upon the type of compass. The marine is provided a lensatic compass and known line of direction. The cover contains the sighting wire, and serves to protect the compass when closed. B182056 lensatic compass 2 basic officer course lensatic compass introduction land navigation requires the use of many tools. Using a compass we can sight a bearing to our cabin across the lake. Compass the careers benchmark tool a self evaluation tool for all secondary schools and 6th forms in england this self evaluation tool, compass, will help you to gain a greater understanding of how your schools provision of career education and guidance compares to the model of good practice set out in the. Incoming documentation from cammenga and associates.
Usually, a diagram called a compass rose shows the directions north, south, east, and west on the compass face as abbreviated initials. So the tritium will continue emitting lensativ for quite a long time before it goes completely dark. A lensatic compass, also called a military compass, is a more advanced and useful version of a magnetic compass. The marine must inspect the three major parts and measure the accuracy of a lensatic compass. Oriented the map to the ground using a compass so the northseeking arrow of the compass was within 3 degrees 20 mils of the angle shown in the gridmagnetic gm angle of the declination diagram shown on the map. Next, rotate the entire thing map and compass until your compass. Use the engineer compass to find the direction by lining up the compass. Doing that with a lensatic compass is much like doing that with any other compass. A detailed inspection is required when first obtaining and using a compass. Land nav task 10 orient a map using a lensatic compass land nav task 10 orient a map using a lensatic compass standards. Etsy is the home to thousands of handmade, vintage, and oneofakind products and gifts related to your search. This information is important to the map user in evaluating the reliability of the.
The engineer lensatic compass is a precision instrument useful in measuring directions to objects and for land navigation. It can survive rough handling and harsh environments. Cognitive performance assessment for stress and endurance cpase. How to use a lensatic compass pdf proper use of a compass is a basic but essential skill in backcountry hiking, which often involves getting off marked trails the lensatic read more. A scout should constantly evaluate and memorize both the immediate terrain and general area for prominent features and landmarks. May 26, 2015 using the military lensatic compass we will learn basic land navigation skills to keep us from getting lost. You dont want to hold it crooked, cockeyed, or off level. Close is compaws enough in horsehoes, but im hoping exact is the standard for artillery fire.
The ust lensatic compass is an essential tool you will want to take with you on all your outdoor adventures. Eachway glow in the dark lensatic sighting compass. As long as the bezel is not rotated, turning the open compass so that the luminous bezel indicator is. Compass selection and recommendations its tactical. Ton wilks lensatic compass evaluation compass geography. The case cover should be pointing toward the top of the map. Sportneer military lensatic sighting compass with carrying bag, waterproof and shakeproof, army green. Using the cammenga lensatic compass with uk maps land.
While entire books have been written about navigating with a compass, every compass. The direction indicated by the open compass is the desired course. The term lensatic comes from the fact that there is a lens on the rear side of the compass that aids in the orienteering process. Instructions for the us army lensatic compass pdf instructional booklet for military lensatic, magnetic compass the instructions in this booklet are for the lensatic, magnetic compass currently being the lensatic compass also called a military compass is a precision instrument that when used with a topographical the. To determine our location we are going to combine two pieces of information on our map. Two parts of this line include the sighting wire, which you can align with things that are visible on the map, and the center of the rotating compass card. B170249 lensatic compass 3 basic officer course lensatic compass learning objectives continued enabling learning objectives tbspat1002k given a lensatic compass, a surveyed point with a level platform, an azimuth marker, and a surveyed known direction, inspect the lensatic compass, to determine serviceability. How to use a lensatic military compass navigate safely. Lensatic compasses there is an observation window, and a cover can measure the grasp of the point, the direction of the destination exactly now to catch a lenslet to read the small scale of mil specifications surely, the direction of the aim thing exactly. The lensatic compass is was the typical military field compass, and is used principally to measure or lay out magnetic bearings. Buy the genuine article purchasing a genuine cammenga lensatic compass is easy, go to. The compass itself works great and centers in only a few seconds. The lensatic compass is comprised of different parts compared to a baseplate compass.
Campers, bikers, boaters, hunters, foresters, surveyors and many more all use compasses in their businesses and lives. I get this question more often than you would think. The british mk iii compass is a good example of a prismatic compass. According to united states army corps of engineers, the engineer compass is also called a lensatic compass. As the name implies, the lensatic compass employs a lens in the rear sight that allows precise readings of the. Induction damping allows the dial to seek magnetic north and come to a complete rest in much less time than a unit without induction damping. The bezel clicks as it movesthree degrees for every click. Study 27 terms lensatic compass flashcards quizlet. Inspecting a compass part 1 basic land navigation compasses are delicate instruments and should be cared for accordingly.
The pieces fit together well, and, most importantly, the hinges for the cover and the magnifying glass dont feel cheap, like they will snap off with repeated use. Some people may think that compasses are too hard to read but most come with a manual that will teach you how to reach the particular compass you have chosen. A round lensatic compass has no straight edge to align. A typical lensatic compass is shown at the right from fm you.
How to shoot an azimuth with your lensatic compass 3 min. This compass is known throughout the world for its precision, reliability, versatility, ruggedness and much more. So, after tendays of comparative testing, i returned the loan compasses and used the sherpa as my baseline unit. The compass card may have a sapphire cap and an agate point for its pivot.
Purchasing a genuine cammenga lensatic compass is easy. Seven tritium micro lights allow for navigation in lowlight conditions, without the need for a flashlight or any other light source. Set the azimuth on the compass turn the body of the compass until the desired azimuth can be read below the stationary index line. The first step is to always take a compass bearing. Buy the genuine article purchasing a genuine cammenga lensatic compass is easy. Here at, we are committed to protecting your privacy. Obvious examples of the simpler tools available are the protractor, map, compass, and pace count. Step action 1 open the compass so that the cover is fully extended. No matter what youre looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options.
Determine a magnetic azimuth using a lensatic compass approved. A prismatic compass uses a prism to allow the reading of the card and viewing of the object of interest together, hence the name. A typical lensatic compass is shown at the right from fm 2125. It has its advantages and disadvantages over the orienteering compass one advantage is its probably more accurate when it comes to shooting azimuths, meaning the act of determining the specific compass direction to a spot on the earth. This compass is super compact, so it wont take up much needed space in your bag. Theyre also called military compasses because this is the design used by the us military.
The silva lensatic 360 compass is one of those objects. How to use an engineer lensatic compass gone outdoors. B170249 lensatic compass 3 basic officer course lensatic compass learning objectives continued enabling learning objectives tbspat1002k given a lensatic compass, a surveyed point with a level platform, an azimuth marker, and a surveyed known direction, inspect the lensatic compass, to. A web search revealed a lot about compasses and geomagnetism, but no good explanation of the lensatic compass. Decent features of the brunton 9077 compass 2 graduations metal body lensatic sighting 5 graduations plastic body straight edge for use with map liquid dampened luminous points lensatic sighting painted metal body the specs weight. Plotting a bearing on a map using a round lensatic compass sighting the bearing. Setting and using the compass with aid of light lightproof yourself.
Part 1 basic land navigation on point preparedness. This type of compass is also commonly used in the military and for orienteering. Open the compass cover at a 90degree angle and then set the lens bracket at a 30. An engineer lensatic compass, also known as a hand compass or sighting compass, allows you to take bearings on physical landmarks which can then be used to determine your exact position on a map or navigate toward the landmark even when it can no longer be seen. Page 15 the cammenga lensatic compass uses induction damping to slow the rotation of the magnet. The term lensatic refers to the magnifying lens that helps you use the compass more effectively. Dod specifications for this compass include selfluminous requirement. The table below lists the steps to perform the centerhold technique. Sep 17, 2009 this is the corrected version of my previous, with actually valid information this time.
How to use a lensatic compass for beginners cammenga 3h duration. Matls licensing package for amend 16 to license 2901022. We know that we are somewhere along the shoreline of the lake. The lensatic means that the rear sight is provided with. Militarys official compass manufacturer, cammengas tritium lensatic compasses have proven themselves repeatedly in almost every kind of environment and situation. As we go through these parts and features, we will go into more detail on each feature on the next slides. Whether you are trekking through those rugged plains, or trying to find that lookout point with a gorgeous view, its always nice to have a fellow adventure buddy who always knows where they are going. Take your lensatic compass and open it up all the way so it is one flat line. Now, read the degree marking under the fixed black index line. The compass is liquidfilled and has a floating luminous dial. Map reading and land navigation at this level require development of the problemsolving skills of route selection and tactical movement.
Bukms sighting compass is a professionalgrade lensatic compass that can be used in the military, outdoor survival or for hiking and camping. The two basic techniques for using the lensatic compass are the center hold technique and compass tocheek technique. A compass is a floating magnetic needle that always points toward a magnetic north pole. Get a costeffective illuminated navigation method that doesnt rely on tritium with the cammenga 27 phosphorescent lensatic compass. Your email address will never be sold or distributed to a third party for any reason. With each compass, you carry the added assurance of tritiumbased, selfpowered lighting that needs no. Most people assume that lensatic compass is the proper term for all handheld compasses, but that it not the case.