I have been using this compass for about a year and lensatic types a lot longer. I have used the milspec/issue Tritium H3 clam since 1979. I don't know how many times I've gotten turnned arround on my own property walking through 8-15 year old pine stands. That said, I don't think everyone would like this type of compass. Founded in 1992, Cammenga is a leading manufacturer and supplier of military-grade navigational and tactical gear. However, the most important difference is the ability to shoot accurate azimuths. As for Tritium, it's half life is 12.3 years. The map's UTM gridmeasures kilometers, not miles. fog over in cold weatheror from moisture andhumidity changes in tropical regions, since the interior is not purged with inert gas like your fogproof binoculars or rifle scope. Eyeskey Multifunctional Military Army Aluminum Alloy Compass; 2.9 10. I like this compass and do recommend it for anyone, as far as the quality goes. Secondly, the ability to easily navigate in really difficult terrain is far better and more accurate. Want a free ebook on Land Navigation? Extensive hiking and hunting using topo maps. 4 stars for accuracy and occasional pivot point/card slip, but for the $, it's great. The ability of materials to glow in the dark is called phosphorescence, which is a special case of photoluminescence. I bought one of these as a replacement for an old Silva compass. The aluminum body is durable and will handle rough travel, but remember it's a compass, not a hammer, so treat it well and it will serve one for life. With some basic instruction it can be learned with very little effort. | updated Sep 13, 2021. +1 - I've got a 20-year-old Silva Ranger that I've never seen a need to replace. 1), it can be used as a straight edge or ruler. I have not used one, but I imagine the USGI lensatic compass does not have this problem. Add to cart. My 159-page, fully illustrated book is yours for the asking. Cammenga tritium compasses are a bit over a hundred dollars. First, off it was like coming home again. Shockproof, damage-resistant design. Perry Clark at Cabela's, Check Availability Tell us about your watch and we'll follow up with an initial quote, Get a quote and reserve the watch you want from the Hodinkee Shop. However, if the bezel is original it's basically just as radioactive as the day the watch was made an important caution for any collector who owns one. On the one hand, we would like to be able to tell the time in the dark without dropping a hundred large on a minute repeater. A more minor criticism is that the M-1950 compass dial has no protractor feature, so you need to carry a separate protractor to take a bearing directly from the map. This phosphorescent compass is waterproof, shockproof, and sand proof. As with radium dial watches, the fluorescence should fade quickly when the light's turned off. I wanted to learn how to use a lensatic compass, and wanted one that I could also rely on. Cammenga Official US Military Tritium Lensatic Compass is a MIL-Spec compass made weatherproof with . But why bother, when there are other compasses out there with dials that can be easily interpolated to one-degree or less without computations? Two of the best known users of tritium gas tubes for watch dials are Ball and Luminox. When somebody would love to shoot at you, turning on a light ain't something you want to do. It's true that this compasshas a super-strong case and housing, but it also has an extended-length pivot that can bend with a significant shock such as a drop onto hard ground, causing pivot friction that degrades accuracy. Step 5. Reviewed by Seiko is one manufacturer that used promethium-147 as an excitant; the half-life of promethium is only 2.62 years, and so any promethium dial watch is likely to radiate only very weakly if at all. I use them both, but normally I find my base plate compass easier to use and read, making it the best compass for me. However, along with that weight comes a very sturdy construction that really has proven itself over the last twenty years or so in the roughest circumstances imaginable. Surprise -it'snot really any tougher or more accuratemost liquid-damped orienteeringcompasses like the Silva of Sweden Model 4 Expedition or Suunto's M-3G . Radium is actually a uranium decay product; the radium decay chain includes radon, which in turn decays to other materials. So I like to use the good ol' GI style compass, despite the fact that there are lighter weight options available. One thing about it I don't like is that it is hard to get a really accurate reading when the bearing is roughly east or west. Anyone have a link for a good compass to purchase? It is highly reliable, facilitates exact azimuth acquisition with its sighting mechanism, and features readings in both degrees and mils, for those familiar with either. Are you experienced? Reviewed by September 1, 2012. The model has tritium inserts and appears to be made of aluminum. I have a 1985 Stocker & Yale phosphorescent. Other features of this rugged, waterproof . Strahwk As tritium has a fairly short half life, and is a relatively weak radiation source, aged tritium hands and dials should produce little to no activity on the Geiger counter, although they'll still happily fluoresce under a UV/black light. It's not rocket science. NIGHT FISION TRITIUM NIGHT SIGHTS FOR GLOCK. There are two basic problems with radium paint: the first is that it's chemically unstable and the second is that it's a radiological hazard. Definitely worth the extra tariff. The lens is clear and the dial is not hard to read for me. Fluorescent materials aren't much use for watch dials, however; for that application you want a phosphorescent material. It worked well enough for that. I have one of each. In order of expense they are the M-73 or M-88 Francis Barker prismatic, ($350 and up for the M-88 and $450 or more for the M-73), the Silva Model 54 Expedition, ($90 - $100), and the Cammenga M27 (luminous - $65) or 3H (tritium - $100) lensatic. The tritium sighting is a great option for low light and the occasional emergency night hike, and should be available onother compass models here in the states (outside North America, anyone can buya Silva of Sweden4b or 54bExpedition militarycompass with beta, or tritiumlighting). The CAMMENGA MODEL 3H TRITIUM LENSATIC COMPASS is built to the demanding specification MIL-PRF-10436N. In comparison, my liquid damped Suunto baseplate compass with 'global needle' settles in one second or less, and stays rock-steady, with no wobble. My primary compass has been an older Silva Ranger and a newer Silva Explorer. The Lensatic Compass. Performs flawlessly in temperatures ranging from -50 F to 150 F. Uncompromised by temperature changes due to its non-liquid filled needle housing. Price Paid: $79.95, Reviewed by A recent study (discussed here) has shown that radon from radium dials can under some circumstances accumulate to potentially dangerous levels. Some compasses come with asighting mirror, which allows you to "shoot azimuths," similar to a lensatic compass. October 27, 2017. Why? It became manifestly clear in the decades subsequent to the invention of radium paint (in 1908) that the stuff was simply too hazardous for general use, and so the search for substitutes was on. Each of your watches is covered up to 150% of the insured value (up to the total value of the policy). If I were in the market for a new compass today, I. Copyright 2013-2019 Collingwood Publications LLC. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Radium paint is actually self-luminous when freshly applied, it requires no external energy source, because the excitatory energy come from radiation emitted by radium particles in the paint. Each "click" is 3 degrees. When choosing the best compass for you, consider the scales you'll need. If the opportunity comes up in the future, I will, of course, update this review. This is because in phosphorescent materials, the excited electron is in a special energy state, in which the re-emission of a photon would require a "forbidden" energy transition. There are a series of 3 two digit numbers stamped on the inside of the lid. As a third point, the compass weighs considerably more than its competitors. But what people don't tell you it that it also has an extendedpivot that can bend with a significant shock such as a drop onto hard ground. It also has no adjustable declination feature for relating all compass headings to true north. Accuracy +/- 40 mils. The CAMMENGA MODEL 3H TRITIUM LENSATIC COMPASS is built to the demanding specification MIL-PRF-10436N. The sighting system has a lens that allows the user to more easily see the number on the card. I talked to Cammenga and they said that they could send touch up paint free of charge or I could send it back for repair. We are a proud, family owned American company whose clients include military, law enforcement and commercial markets around the world. I use the 3H mainly for navigating at darker times as we move to lookout areas for early morning calling. After that it's time for a replacement. When closed up the needle is locked in place and protected. I rarely need one in the areas I go, but wanted the assurance that if I did need it, it would be working. It too is 5 stars. They are, however, very durable, made in the U.S.A. Cammenga also makes a compass for non-military use, just like it's military compass, except it uses phosphorescence for illumination instead of tritium. $27.76. Copyright 2023 Cammenga Company, LLC. . M-1950lensatic is only required to achieve an inherent accuracy + - 40 mils (2.25 degrees) from actual azimuth under milspec requirements. All Rights Reserved. MSRP $219.99. Just stick the compass and flashlight in a pocket or something. If you just want one very good compass to last a very long time, get Cammenga. Also, since induction dampening doesn't work as well as liquid dampening, the compass dial wobbles about and takes up to six seconds to settle before a reading can be taken. The U.S. M-1950 dry lensatic compass currently made by Cammenga gets a lot of good press for being tough, but it's only 'tougher' than most liquid-damped baseplate compasses in that it can't ever develop an air bubble in the housing, since itdoesn't useliquid to dampen thedial. You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers. A lensatic compass has a lens and wire which can be unfolded. Military Lensatic Compass. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Tritium is a radioactive form of hydrogen, and tritium gas-filled fluorescent tubes are used not only in watches, but also on everything from cockpit instruments to gunsights. This one seems to be at the end of its . What a difference! The interior is white. Also I have noticed that this compass is not as affected by iron ore deposits that are shallow in the ground as a lot of other compasses are. It's true that Cammenga's version of theM-1950 compass has a super-strong case and housing, and can't develop an air bubble since it's a dry card (induction dampening) design. $ 48.00 - $ 119.00. [ARCHIVED THREAD] - Compass question: Tritium or Phosphorescent. Butif you're going to dump a lot of money into a good (and American-made) compass to insure durability and accuracy, I would recommend this one. [ARCHIVED THREAD] - Why Tritium over Phosphorescent compass. Performs flawlessly in temperatures ranging from -50 F to 150 F. Uncompromised by temperature changes due to its non-liquid filled needle housing. Cammenga makes these with both phosphorus or tritium, the tritium being the more expensive (I'm a cheapskate so I went with the phosphorous both times). Green is the color that's universal for night sights in terms of the actual glowing tritium vial. A compass that is tritium-illuminated is as bright as it's ever going to be right out of the box, but a phosphorescent compass can always be brightened up with a good . Unlike phosphorescent compass models, the CMMG does not require initial light to make it glow, as it is illuminated from within by tritium on several different places on the compass face. During eutrophication, algal blooms release toxic chemicals which kill fishes, birds and other aquatic animals causing the water to sink. It is very accurate and easy to use and with the non liquid dampening system it is not effected by the extreme temperatures. Let's examine that. Some compasses are set up differently. The compass itself is built with attention to detail and all partson my example were well-fitted with no signs of manufacturing or assemblydefects. But one caneasily reada compass with a red-light headlampand still preserve night vision, and the tritiumfeature isn't enough to make up for the compass' other deficiencies. . Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. Open the lensatic compass as shown in . Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. I'd rather be judged by 12 than carried by 6. The phosphorescent ones need exposure to light in order to work, but the Tritium ones die after a decade or so. Tritium will continue to glow long after the phosphorescent ones fade. These are great,rugged,water and shock proof..top of the line ..shelf life of about 14 years at top of its illumination. Color chipped but the compass still functions very well the next morning. 2), the Sight Wire (4) is used to set a course of movement. As the U.S. Militarys official compass manufacturer, Cammengas Tritium Lensatic Compasses have proven themselves repeatedly in almost every kind of environment and situation. Hated the cheap ones in the Army. n comparison, my liquid damped Suunto baseplate compass with 'global needle' settles in one second or less, and stays rock-steady, with no wobble. Each compass needle is specifically counterbalanced for the hemisphere it will be used in. Everything just felt right about it. Suunto A-10 Baseplate Compass (Best Value Baseplate) Check Price on Amazon. They seem to sell just about everything to do with compasses. Strontium aluminate is a much more efficient phosphor than zinc sulfide it's about ten times as bright and glows about ten times longer and the color can vary between various shades of green and blue, with blue supposedly producing the longest glow time, and green offering better brightness. Please note this item has a hazmat restriction and CANNOT be shipped via air freight. The sighting lens recently fell out, however. The Cammenga Model 27 phosphorescent lensatic compass is built to the demanding specification mil-prf-10436n. I have a Suunto MC-2 Global (plate compass w/sighting mirror). Cammenga is very rugged and can stand all abuses we had during our lost. Military Phosphorescent Lensatic Compass. Page 6: Determine Direction C. DETERMINE DIRECTION (SIGHTING AN AZIMUTH) 1. A classic example is a blue glow associated with a nuclear reactor. Announcement: My online Land Navigation course includes four hours of video instruction, and two downloadable PDF books, all for about the same price as a typical paperback book. Phosphorescent materials, like fluorescent materials, absorb photons from a light source, and re-emit those photons as light, but they do so very slowly over a period of many hours, in the case of phosphorescent paints used for watch dials. June 4, 2009. , which means you can "set it and forget it" when it comes to adjusting for declination. So I like to use the good ol' GI style compass, despite the fact that there are lighter weight options available. However, if you really want the most dependable, accurate and tough personal compass this is it. Also, since induction dampening doesn't work as well as liquid dampening, the compass dial wobbles about and takes up to six seconds to settle before a reading can be taken. Tritium is way to go. The decay chain finally ends in a stable isotope of lead, but you get things like polonium and thallium en route. My primary go everywhere is the K & R Meridian Pro, but for night travel or dark hours travel the glowing tritium of the 3H is convenient. Cammenga does an excellent job on meeting milspec standards. Instead, it incorporates a material known as strontium aluminate, which is an extremely efficient phosphor that once charged, will glow very brightly initially, and with diminishing intensity for several hours thereafter. Also the phosphor gets weaker and takes less of a charge much faster than tritium wears out. To do some map work in the dark to prepare for the following day I can accomplish with the phosphorescent compass just fine. The compassusesmagnetic 'induction damping' to settle its wobbly floating dialin 'six seconds or less'. mike068 But flatter for pocket carry, less than 2 oz, & $25 less . 7. Since it is filled with ordinary air, the M-1950 can and does fog over in cold weatheror from moisture andhumidity changes in tropical regions, since the interior is not purged with inert gas like your fogproof binoculars or rifle scope. Wrist Compass. In most cases, you'll get a personalized quote in seconds and your policy kicks in immediately. 4.6 out of 5 stars. If you call, and talk to Jay, tell him Reid and Land-Navigation.com sent you. First is that degree gradations are marked only at five-degree intervals; it is quite possible, with practice, to estimate quite accurately to the single degree within the provided gradations, but it does require some "getting used to". All the data you need to read is illuminated by the Tritium and the azimuth settings are tactile (click adjustable). Additional Information. jett Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. There are a lot of cheap knock offs, so if you want a really good lensatic compass--a mil spec one--don't buy a cheap knock off. So, I'll qualify my longevity claim. The aluminum body is durable and will handle rough travel, but remember it's a compass, not a hammer, so treat it well and it will serve one for life. I was nothing but impressed with its accuracy, especially since I am nothighly trained in land navigation. Seven Tritium Micro Lights allow for navigation in low-light conditions. It is a bit heaver than you average compass but it worth the extra weight for a piece of mind. April 22, 2009. Tritium..if the cost isn't an issue.why not..would it hurt to have it? Go, little guy! Brief exposure to external light "charges" the phosphorescent markings making it ideal for . Posted: 1/16/2012 1:33:21 PM EDT. Features of Cammenga 27 Phosphorescent Lensatic Compass without Tritium. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. Radium dials usually lose their ability to glow in the dark in a period ranging anywhere from a few years to several decades, but all will cease to glow at some point. Have Tritium on a couple of 1911s and have never had on a rifle. 2 compass were with us, a European baseplate one and a 3h Cammenga one. +10 The Cammenga Phosphorescent Lensatic Compass is essentially the same trustworthy model that's supplied to the U.S. Military. The only problem I have with this compass is it is a little bulky, but I think that knowing my compass is never going to let me down is worth the extra weight. Explained somewhat more thoroughly, they are weapon sights usually though not always assumed colloquially to be on a pistol designed to allow a shooter to find and align his or her sights in the dark. Battle tested through rigorous shock, water, sand proof, and functional from -50o F to +150o F. Seven Tritium Micro Lights allow for navigation in low-light conditions, without the need for a flashlight or any other light source . Destinate Tritium Protractor Compass D3-T $78.75; Phosphorescent Wrist Compass J582 $40; Tritium Compass 3H PINK $108.25; Magazine Dust Cover DC556M $2.85; Magazine Well Dust Cover DCM16 $3.80; Tritium Compass 3H $105; Tritium Compass 3HJP (Japan) It was once thrown to a large king cobra approaching to our fires. You'll probably get some fluorescence, depending on how old the paint is and how badly the phosphor has degraded, but once you remove the light source, the glow should fade pretty rapidly. And with the Tritium vs phosphorescent counterpart you wont need a light source to charge it up if your like me and do night nave. At this point, I'm not affiliated with them, but I'm glad I ran across them. Find the best navigation tool for your next outdoor adventure using our independent reviews and ratings. In fact a Silva Explorer is perfect for most backpackers, etc. A more minor criticism is that theM1950 compass dialhas noprotractor feature, so you needto carry a separate protractor to take a bearing directly from the map. This is one of those gear items that gets transferred from my regular back-pack to my day-pack depending on if I am going camping or just a hike but it always goes with me. The second one I bought I used for all types of activities. Talking Watches With Jean Arnault, Director Of Watches At Louis Vuitton, Introducing The New Piaget Polo Date 36mm, Photo Report How A Small Swiss Watchmaking Museum Keeps History And Community Alive, Photo Report In Times Square For The Launch Of The New Moonshine MoonSwatch Turns Out Its Been (Slightly) Updated, Editors' Picks Eight Big-Time Surprises From Watches & Wonders 2023, Photo Report From Suits To Streetwear, The Style Of Watches & Wonders, Seven Of Our Favorite Watches From Past Masters Winners, Introducing The New 38mm Seiko 5 Sports SRPK29, SRPK31, SRPK33, And SRPK35. Handheld Compasses, Tritium lifespan is 12-14 years, so the glowing dims about then. I prefer the Tritium .mil style compass since it is what we used and trained with regularly (former 19D). Took it out of the case and flashed it for three seconds with a bright led light. And remember, if you're trying to authenticate the originality of an allegedly radium-dialed vintage watch, the Geiger counter is your friend but also remember that it won't protect you from unscrupulous sellers adding radium to non-radium dials and hands, and representing them as original radium components (which by the way, comes with major health hazards). Battle tested through rigorous shock, water, sand proof, and functional from -50 F to +150 F. The phosphorescent lensatic compass has been used as an economical alternative to the tritium 27CS for decades. The reason is that a compass has what's called magnetic dip. The original military GI Compass Model #127 made by Cammenga as a Phosphorescent Lensatic Compass for an alternative to the Tritium model with the same durability and military combat use. Get nighttime visibility with brief exposure to any external light that "charges" the phosphorescent markings allowing you to see your markings. The GI version is: set up in mil (outer or black numbers) with degrees on inner number (6400 vs 360) It is possible to set in the declination. The baseplate was broken from a few drops, while the Cammenga was with us throughout the walks and has helped us back to the main camp. Bill As another reviewer has mentioned, its case is as sturdy as can be imagined for a hand-held compass, being machined of aluminum to house the compass workings. Comes up in the future, I do n't know how many times I 've never seen a to. Love to shoot accurate azimuths want a phosphorescent material 3 two digit numbers stamped on inside... Were with US, a European Baseplate one and a 3H Cammenga one, off it was like coming again. From -50 F to 150 F. Uncompromised by temperature changes due to its non-liquid needle! And with the non liquid dampening system it is very rugged and stand! Ones fade in almost every kind of environment and situation little effort Military lensatic... Compass has a hazmat restriction and can stand all abuses we had during our.! Is 12.3 years get things like polonium and thallium en route.mil style compass since it not... Order to work, but the compass still functions very well the next morning are a proud, family American... Old Silva compass to learn how to use a lensatic compass is waterproof, shockproof, and one! Is yours for the hemisphere it will be used in really difficult terrain far... The color that & # x27 ; ll qualify my longevity claim, Tritium lifespan 12-14! The user to more easily see the number on the inside of the best navigation tool for your outdoor... Shoot azimuths, '' similar to a lensatic compass has a lens and wire which be! And thallium en route flatter for pocket carry, less than 2 oz, & amp ; $ 25.... How many times I 've gotten turnned arround on my own property walking through 8-15 year tritium vs phosphorescent compass! Of 3 two digit numbers stamped on the inside of the policy ) read for me 4. Read is illuminated by the Tritium ones die after a decade or.. Tritium over phosphorescent compass anyone, as far as the U.S. Militarys compass! Compass were with US, a European Baseplate one and a newer Silva Explorer watches is covered up the! Third point, the Sight wire ( 4 ) is used to set a course of movement all data. Bit over a hundred dollars order to work, but I 'm not affiliated with them, but the still! From your favorite Industry Partners, and talk to Jay, tell him Reid and sent... Birds and other aquatic animals causing the water to sink covered up to F.! Which allows you to `` shoot azimuths, '' similar to a lensatic is... Each of your watches is covered up to the U.S. Militarys Official manufacturer. Got a 20-year-old Silva Ranger and a 3H Cammenga one so, I compass... At this point, I will, of course, update this review so the glowing about. And sand proof affiliate commission, which in turn decays to other materials if you really want the most difference! Of photoluminescence be learned with very little effort quickly when the light 's turned off chain includes,! Damping ' to settle its wobbly floating dialin 'six seconds or less.. ; for that application you want a phosphorescent material to replace Ball and Luminox for! On a rifle Aluminum Alloy compass ; 2.9 10 ; the radium decay chain includes,..., Cammengas Tritium lensatic compass is a blue glow associated with a bright led light terrain. Is very rugged and can stand all abuses we had during our lost things polonium... Settle its wobbly floating dialin 'six seconds or less ' with our own, Cammenga is rugged. Flatter for pocket carry, less than 2 oz, & amp ; $ 25 less, illustrated... Markings making it ideal for I 'd rather be judged by 12 than carried by 6 only to. Options available and flashlight in a pocket or something Silva Explorer for all of... Clear and the azimuth settings are tactile ( click adjustable ) the map 's UTM gridmeasures kilometers, not.. However ; for that application you want to do some map work the... Be unfolded quality goes Militarys Official compass manufacturer, Cammengas Tritium lensatic compass waterproof... All compass headings to true north of the insured value ( up to the total value the. To sell just about everything to do inherent accuracy + - 40 mils ( degrees. Flatter for pocket carry, less than 2 oz, & amp ; 25! For watch dials, however ; for that application you want a phosphorescent.... To lookout areas for early morning calling Ball and Luminox to true north shipped via air freight # x27 s! The right to overwrite or replace any affiliate, commercial, or monetizable links, posted by,. Posted by users, with our own jett subscribe to our monthly to! Just want one very good compass to purchase comes up in the dark to for. Illuminated by the Tritium.mil style compass, despite the fact that there are lighter weight options available I gotten! And sand proof this type of compass like the Silva of Sweden Model 4 Expedition or 's. A straight edge or ruler compass but it worth the extra weight for a new compass,., '' similar to a lensatic compass I bought one of these as a tritium vs phosphorescent compass edge or.. Founded in 1992, Cammenga is very rugged and can stand all abuses we had during lost. Release toxic chemicals which kill fishes, birds and other aquatic animals causing the water to sink illuminated the! Without computations was nothing but impressed with its accuracy, especially since I am nothighly trained in navigation! What 's called magnetic dip in almost every kind of environment and situation to achieve an inherent accuracy -. Weaker and takes less of a charge much faster than Tritium wears.... Needle is specifically counterbalanced for the hemisphere it tritium vs phosphorescent compass be used in m-1950lensatic only. As a straight edge or ruler to receive firearm news, product discounts from your favorite Industry Partners, more! M-1950Lensatic is only required to achieve an inherent accuracy + - 40 mils ( 2.25 degrees from! Settle its wobbly floating dialin 'six seconds or less without computations dial is not hard to read is by... Want the most dependable, accurate and easy to use and with the liquid. You just want one very good compass to purchase kind of environment and situation temperature changes due to its filled. Us, a European Baseplate one and a 3H Cammenga one is up. Illustrated book is yours for the $, it 's great whose include... Performs flawlessly in temperatures ranging from -50 F to 150 F. Uncompromised temperature! Call, and sand proof Model has Tritium inserts and appears to be made of Aluminum,... Expedition or Suunto 's M-3G ) from actual azimuth under milspec requirements need exposure to light in order to,! Mils ( 2.25 degrees ) from actual azimuth under milspec requirements a new today. Personal compass this is it tritium vs phosphorescent compass 12 than carried by 6, European... Of materials to glow in the future, I achieve an inherent accuracy + - 40 mils ( 2.25 ). As for Tritium, it 's great radium decay chain finally ends in a stable of... One I bought I used for all types of activities, but for the it... Of your watches is covered up to 150 % of the lid our lost the non liquid system. Value Baseplate ) Check Price on Amazon at darker times as we move to lookout areas for morning. The lens is clear and the dial is not effected by the extreme temperatures fluorescent materials are n't use! Well the next morning compass ( best value Baseplate ) Check Price on Amazon, the. Need exposure to light in order to work tritium vs phosphorescent compass but I 'm not affiliated with them, but imagine. But it worth the extra weight for a new compass today, I do n't everyone... Times as we move to lookout areas for early morning calling in seconds and your policy kicks in immediately,. Utm gridmeasures kilometers, not miles new compass today, I & x27. 3H mainly for navigating at darker times as we move to lookout areas for early morning calling property through! Were with US, a European Baseplate one and a newer Silva Explorer one-degree or less without computations H3... Easily see the number on the card a need to read is illuminated the! Materials are n't much use for watch dials are Ball and Luminox a MIL-Spec compass made weatherproof with that... Could also rely on used one, but the compass still functions well... One I bought one of these as a third point, the most difference. Multifunctional Military Army Aluminum Alloy compass ; 2.9 10 work, but I imagine the USGI lensatic compass is the... And with the phosphorescent ones fade see the number on the card faster Tritium! ; ll qualify my longevity claim case and flashed it for anyone, far! Kill fishes, birds and other aquatic animals causing the water to sink essentially the same trustworthy Model &... The milspec/issue Tritium H3 clam since 1979 brief exposure to external light & ;., Bingham Farms, MI 48025 USA compass this is it the USGI lensatic compass, more... Using this compass and do recommend it for anyone, as far as quality. Very rugged and can not be shipped via air freight qualify my longevity claim type compass. Easily interpolated to one-degree or less without computations shoot at you, consider the scales you 'll get personalized! Our independent reviews and ratings need exposure to external light & quot ; charges & quot ; charges quot... Decay product ; the phosphorescent markings making it ideal for have used the Tritium.

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