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. 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. Chuck Mellette Cammenga Model 3H Tritium Lensatic Compass Olive Drab US Military Issue. Fine, except that in comparison, my liquid dampened Suunto compass with 'global needle' settles in less than one second, and stays rock-steady, with no wobble. Step 6. The Cammenga Lensatic Compass. (For strontium aluminate to be an effective phosphor, it must be combined with europium, a non-toxic, non-radioactive chemical element). :faint: A forum community dedicated to Glock firearm owners and enthusiasts. The luminous lighting on the standard model is excellent, once charged with a flashlight, but if you have a flashlight anyway, the luminous feature isn't really necessary. Reviewed by Radium is actually a uranium decay product; the radium decay chain includes radon, which in turn decays to other materials. Only because technical perfection is yet to be achieved do I give this military-spec lensatic compass less than five stars. Chopard demonstrates its love for mechanical beauty. But who's going to bother with that? the hassle. The phosphorescent ones need exposure to light in order to work, but the Tritium ones die after a decade or so. Fine, except thatin comparison, my liquid damped orienteering compass with 'global needle' settles in one second or less, and stays rock-steady, with no wobble. Structurally, it's held up great. 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. Shop Cammenga 27 Phosphorescent Lensatic Compass without Tritium | Up to 10% Off 4.9 Star Rating on 11 Reviews for Cammenga 27 Phosphorescent Lensatic Compass without Tritium Coupon Available + Free Shipping over $49. Alternatively, it might have the manufacturer and/or a NSN. It seems the mirror causes some parallax, which makes it hard to align the needle and the base plate lines. 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. Ever. But what most people don't know is that the original M-1938 U.S. Army compass used liquid to dampen the compass dial, which was left out of later lensatic compasses (including the M-1950) for cost considerations, NOT because it is superior to liquid dampening. But what option for the Glow in the Dark is better? You'll probably spend somewhere between $25 and $100 for a good compass. I staked a remote property using my Cammenga type of compass and the blm folks of Alaska said it looked like it had appeared to have been had been surveyed to be perfectly square. 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 . Given the accuracy issues, you can do just about as well with an ordinary baseplate compassheld at chest height, and pointing the direction-of-travel arrow at the objective. Military Phosphorescent Lensatic Compass. I like this compass and do recommend it for anyone, as far as the quality goes. A not-negligible point for some is this next one--no available declination adjustment. When perpendicular (fig. +36 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. This compass is often praisedfor its superior accuracy over most baseplate style compass designs in shooting an azimuth (taking a bearing) to an objective or landmark. I have used this compass for the past year but have tried out a phosphorescent version for some time. The Tritium Lensatic Compass is built to the demanding specification MIL-PRF-10436N. My 159-page, fully illustrated book is yours for the asking. Cammenga does an excellent job on meeting milspec standards. This is the real deal! Tritium, like promethium, is a low energy beta emitter; unlike promethium it has a much longer half-life 12.32 years, which makes it a better excitant for long-term applications like watch dials. The GI version has Tritium (glow) markers. The lensatic compass is used by those in the U.S. Armed Forces. The earth's magnetic pull wants to pull one end of the needle down. +10 Some are offered in contrasting colors. Suunto MC-2 Compass; 2.8 9. Anyone have a link for a good compass to purchase? Most buyers quickly discovered that the compass was a concern, then Cammenga sells the exact same compass without the tritium capsules but with phosphorescent paint that must be charged using a flashlight. 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. The sleek metal build lets you stay anonymous. Anyone who's played with a UV lamp has seen materials fluoresce. I have both of the military models in my shop, and it comes down to thisif you plan to be navigating at night in an enviornment where using a white light for a few seconds to charge the phosphorescent would be bad for your health, get the tritium. Actinium is a radioactive metal that emits a pale blue light in a darkened room. You can, if you practice,split the five-degree increment spacing once with your eye to get a (theoretical) reading of 2.5 degrees between increments, all while holding the compass steady andthe sighting wirefixed on the objective not easy. I had my GPS also, but buried itin my pack to prevent cheating. This one seems to be at the end of its . View All Outerwear, Clothing, and Accessories , Top 25 These are colloquially known as "black lights," and black light posters were a dorm room staple in the '70s (and for all I know might still be). September 1, 2012. Compass type: Baseplate compass Weight: 1.06 ounces Dimensions: 1.4 x 3.2 x 5.1 inches Bezel Material: Plastic Declination Scale: Fixed My Review: The A-10 Recreational Field Compass is a durable, reliable, and lightweight baseplate compass made by SUUNTO.If you don't already know SUUNTO is one of the most . The zinc sulfide phosphor has been badly degraded but still shows some weak fluorescence under a UV/black light. Reviewed by I use them both, but normally I find my base plate compass easier to use and read, making it the best compass for me. Tritium..if the cost isn't an issue.why not..would it hurt to have it? ? We mentioned above that there were a couple of lines of research when it came to finding a better solution than highly hazardous radium pigments lower level emitters were one answer but a better one, if industry consensus means anything, is to not use radioactive excitants at all. Although there is no risk to the wearer, tritium is radioactive and its use is controlled. If you don't need all-night illumination, then this could be a good option. Uses a copper induction-damping ring that slows, settles and steadies the compass needle quickly. Of course, the financial incentive to fake radium dials is pretty strong and there is nothing to stop an unscrupulous dealer from doping the hands and dials of a watch with radium to produce a spurious signal (I imagine a scenario where the substance could be scavenged from an old clock or low value watch, for instance) and I would be very surprised if there weren't such watches being created by clever hands and wicked minds as I write. SC Tritium is much better. One place I've run across that has a good selection is The Compass Store in Commerce, Georgia. I have a Suunto MC-2 Global (plate compass w/sighting mirror). Weekly reviews, exclusive deals, giveaways, and more: Help support this site by making your next gear purchase through one of the links above. September 10, 2021 It is bulky. The ability of materials to glow in the dark is called phosphorescence, which is a special case of photoluminescence. Of course, if you change areas and your declination changes, you have to set it all over again, but that's no big deal. Good solid compass and easy to understand, but mine is 10 off to the west, which makes it too undependable to stake your life on. Go, little guy! Michael Manzo | updated Sep 13, 2021. But it can fog over in cold weatheror from moisture andhumidity changes in tropical regions, since the interior is filled with ordinary air, not purged with inert gas like your fogproof binoculars or rifle scope. Special Tritium Lensatic Compass is shock, water and sand proof, and functional from -50F to +150F. Uses a copper induction-damping ring that slows, settles and steadies the compass needle quickly. Open the lensatic compass as shown in . But some people say the tritium dots on the rear sight are distracting or they say it is unnecessary and an unnecessary expense. 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. You probable wouldn't even need a ponch. 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. I have been using this compass for about a year and lensatic types a lot longer. item 5 CAMMENGA LENSATIC COMPASSES - TRITIUM OR PHOSPHORESCENT - NEW 2022 UNITS! The tritium is real nice for night use and is clearly seen by the eyes for lining up all reference points. It also has no adjustable declination feature for relating all compass headings to true north. 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 . Accuracy +/- 40 mils. The the annual market is about 400 grams, and as you note, the cost per gram is about $30,000, but think of it this way: it costs about $12 million to produce 400 grams of tritium and get it to the marketplace, but that doesn't necessarily mean it would cost $24 million to produce 800 grams or $6 million to produce 200 grams. As a result the M1950isn'tas well-suited to usewithUSGStopo maps and GPSunits for plotting locationas a more modern baseplate compass. It's cheaper. Price Paid: Around $70, Reviewed by The compassusesmagnetic 'induction damping' to settle its wobbly floating dialin 'six seconds or less'. If I'm navigating a plotted course at night, it would mean using external lighting periodically to confirm my heading, which is a security risk. As far as compasses go this one is the best I have ever used in the past 25 years from the Boy Scouts to the Marine Corps to civilian use. Instead of liquid damping, the Cammenga uses copper induction damping that works amazingly well and can't be lost to leak, rupture, etc.--as happened to my old Silva Ranger that I bought this to replace. Plastic is very cheap for the companies to construct a compass from. Founded in 1992, Cammenga is a leading manufacturer and supplier of military-grade navigational and tactical gear. Now: $29.98. Fascinatingly enough, collectors didn't start testing alleged radium dials and hands with Geiger counters until pretty recently, and some people have gotten nasty surprises. That's great in when it comes to low light shooting and honestly it's perfect. All the data you need to read is illuminated by the Tritium and the azimuth settings are tactile (click adjustable). Then there is the issue of inherent accuracy. I learned to navigate on sighting compasses in grade school (1970s), then in the late '90s went to a lensatic. As with radium dial watches, the fluorescence should fade quickly when the light's turned off. The cross hair style lensatic compass is EXTREMELY accurate. Get my Land Navigation coursehere. Military Phosphorescent Lensatic Compass has been used as an economical alternative to the Tritium model. 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) I'd rather be judged by 12 than carried by 6. The beta radiation from tritium makes the phosphor glow. The wire is raised perpendicular to the dial while the lens is inclined towards the dial. 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. Another nice feature is that the magnifying lens, when folded down, locks the magnet in place to avoid damage from impact, shock, etc. Waterproof to considerable depths. +108 Kjellstrom introduced the sport of orienteering to the USA in 1946. Performs flawlessly in temperatures ranging from -50 F to 150 F. Uncompromised by temperature changes due to its non-liquid filled needle housing. I have done it and it is accurate enough. The Cammenga G.I. A few times I have taken this thing and a topo mapinto some relatively dense woods and shot bearings to an unseen destination about a mile distant, using both the sights and "shooting off the hip". Case Cover: Closes to protect the compass and reduce carrying size. We noted that after this brief exposure to light, the tritium dials glowed brighter than those with luminova, probably because of a difference in the rate at which each pigment receives its initial charge. Given the inherent accuracy limitation, you can do just about as well with an ordinary baseplate compass held chest high while pointing the direction-of-travel arrow at the objective. Constructed with a powder-coated, aluminum frame for optimal endurance. Purchasing a genuine CAMMENGA LENSATIC COMPASS is easy: go to www.cammenga.com and checkout the specifications for the 3H Tritium and phosphorescent Model F27. 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. This compass is expensive but will never fail. Cammenga tritium compasses are a bit over a hundred dollars. So, I'll qualify my longevity claim. It also has no adjustable declination feature for relating all compass headings to true north. The charged particles emitted by the reactor pass through the dielectric medium . Photoluminescence is the ability of some materials to emit light after exposure to light. October 27, 2017. A lensatic compass has a lens and wire which can be unfolded. The model has tritium inserts and appears to be made of aluminum. Tritium paint is cheap and can be re-applied the tritiums have that cool radioactive logo. I'm not an actual user, but it sounds like you answered your own question in your post, you just want someone to back you up to justify buying it, which is fine. The Cammenga Model 27 Phosphorescent Lensatic Compass is built to the demanding specification MIL-PRF-10436N. Product Details Description Specifications Reviews. Cammenga does an excellentjob on meeting milspec standards. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. A Week On The Wrist The $250K Urwerk Inspired By A Vintage Bugatti And Chicken Grills, Hands-On The Tudor Black Bay Burgundy, Now A Master Chronometer, Watches & Wonders 2023 All The News And New Releases From Watches & Wonders 2023, How To Wear It The Vacheron Constantin Patrimony, Buying, Selling, & Collecting Here's Why I Traded My Cartier Santos-Dumont For A Tank, Watches In The Wild The Road Through America, Episode 1 Of Our New Docuseries. The phosphorescent M27 runs about $62.00, the 3H about $100. See questions and answers Customer reviews. It is extremely durable and accurate. The phosphorescent ones need exposure to light in order to work, but the Tritium ones die after a decade or so. It was real easy to wreck your night vision in the process. As a result, the degree scale is numbered in large five-degree increments a dial you'd expect on a $10 compass, not one costing $80 or more. Some of the pricier compasses have a declination adjustment, which means you can "set it and forget it" when it comes to adjusting for declination. Light is composed of energy packets known as photons (the photon is the quantum particle of the electromagnetic field). My preference for Tritium is front and rear for quicker acquisition and alignment. The reason is that a compass has what's called magnetic dip. The compass also comes with a nylon carry case, a lanyard, and belt clip for the case, as well as a brief instruction manual written in very direct military style. I do have failing (aging) sight, but am still near 20/20. I learned to navigate on sighting compasses in grade school (1970s), then in the late '90s went to a lensatic. What's more, the latter is stable enough to take a bearing to an objective while walking or riding in a canoe or small boat. Note that while this model'sdry card housing can't ever form a bubble or leak, it can certainly fog over in cold weather or condense moisture inside the case fromhumidity changes in tropical regions. (Walking a straight line in any forest with no cleartarget in sightis always achallenge.). The sighting lens recently fell out, however. Sandproof for extra durability. They seem to sell just about everything to do with compasses. That's really not too hotin an era when many sighting compasses are tested to achieve at least 1 degree inherent accuracy, with sighting accuracy (with practice) of one degree or better. But why bother, when other compasses have easy-to-read dials that can be read to 1 degree or less with ease? Rest easy and travel safely. It's a personal preference. In summary, the M-1950 lensatic compass as made by Cammengais a specialized military item that sorely needs a redesign for use as a general-purpose wilderness navigation compass for civilians. 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. The dry capsule will never develop a bubble and is not affected by altitude changes either. In comparison, my liquid damped Suunto baseplate compass with 'global needle' settles in one second or less, and stays rock-steady, with no wobble. Used properly, this lensatic compass will definitely get you where you want to go. No compass can match its durability. The compass is not as easy to learn as a baseplate or sighting protractor compass. The Cammenga G.I. Wild Floods had swept our backpacks once when we were walking in the rainforest. I like this compass and do recommend it for anyone, as far as the quality goes. An alert reader pointed out to us, in the comments in our article on radium as a radon hazard, that close to a thousand buildings in Switzerland may be radium contaminated. There are a series of 3 two digit numbers stamped on the inside of the lid. +1, it will be fine for a long time. For the gram-counters out there, this is NOT their compass of choice. Just a word of caution. Also, I want a rule that shows centimeters, and don't care about inches or fractions of inches. Or you could use the mils scale and convert each and every azimuth (bearing) back into degrees so your friends on the trail could understand what course you're using. Source: bought it new Waterproof to considerable depths. For those disinclined to carry a tritium-bearing device, they do make one with simple phosphorescent markings instead. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. +204 Suunto A-30L Field Compass It is a bit heaver than you average compass but it worth the extra weight for a piece of mind. If I were in the market for a new compass today, I. Cammenga battle-tested Model 27 phosphorescent lensatic navigational and marching compass is made according to the U.S. Army Mil-Spec. i'm sure i'm talking out my ass according to some of you so i'm leaving. Free shipping. Generally, I'd avoid the very cheap compasses found at big box stores, and go for a name brand--Silva, Suunto, and Brunton. Tritium GI compass cause it is what I know nd am comfy with. Sandproof for extra durability. Performs flawlessly in temperatures ranging from -50 F to 150 F. Uncompromised by temperature changes due to its non-liquid filled needle housing. I called Cammenga and asked them how I can get a new lens. I have a 1985 Stocker & Yale phosphorescent. Promethium emits only beta particles, and at a lower energy than radium, so it's generally considered much safer; it also doesn't cause phosphors to break down nearly as quickly. Put simply, night sights glow in the dark. Don't buy a compass with bubbles in the housing. Now in defense of the Silvas - if you're a part time land navigator and do not have a need to cross really tough areas the Silva is more the good. Oh, one other thing, with this compass, you're going to need to carry a protractor. Brief exposure to external light "charges" the phosphorescent markings making it ideal for . Here in the Everglades where most of my back-country travels take place, we don't have much avalanche danger, so personally I don't care about a clinometer. 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. Tritium, I guess I'm the only one who gets lost at night. Lensatic style features a magnifier lens on the rear sight to read compass dial headings for greater accuracy. For some reasonI'm the very first member to review this compass. The blue light is called Cherenkov radiation or sometimes the Cherenkov Effect. It has been used as an alternative to the tritium 27CS for quite a long time, for it is quite affordable. Why? Jan 7, 2014 - The Cammenga 27 Phosphorescent Compass is a traditional, military-style compass for people who think GPS navigation is for old ladies, Prius drivers and ICBMs. In fact a Silva Explorer is perfect for most backpackers, etc. You can, if you practice, split the five-degree increment spacing in half to get a (theoretical) reading of 2.5 degrees between increments, while simultaneously holding the compass steady and the sighting wire fixed on the objective, then checking for parallax error not easy. I initially bought a lensatic compass because I wanted to try triangulating a location on a small lake using shoreline markers. no question. However, the most important difference is the ability to shoot accurate azimuths. CAMMENGA LENSATIC COMPASSES - TRITIUM OR PHOSPHORESCENT - NEW 2022 UNITS! I lent it to my son and he returned it missing the lens. Switch on the lights for 10 minutes. The compass dial should turn freely, but not too freely. Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. When buying a Cammenga, they offer you the option of Northern Hemisphere or Southern Hemisphere. I do recommend a good sighting compass at the least for the "woods," but if you'd like to try a lensatic this one is a good one. The compass dial is in both mils and degrees, and as the military uses mils,the mils scale is placed on the outside circumference of the dial, while the degree scale is in red ink and relegated to second place on the inside, with only five-degree increments or markings a dial you'd expect on a $10 compass, not one costing$50 or more. The only difference is this version employs a phosphorescent paint for lightness visibility instead of self-luminous Tritium. Easy reading too. Phosphorescent lights must be charged by shining a bright light on them, even though neither requires an external source of electricity. December 27, 2009. I rarely need one in the areas I go, but wanted the assurance that if I did need it, it would be working. 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. Night Fision breaks the mold, literally. The tritium inserts, which allow the compass to be read in absolute darkness for ten years, are a cool feature but I think Im in trouble if a find myself navigating by compass in the dark. One other thing I like about the Suunto M-3G is that it has a "global" needle. I don't understand why Cammenga doesn't put out a version with the degree scale on the outer edge of the dial in one- or two-degree increments for the benefit of the 99.9% of users who are civilians and who use degrees for wilderness navigation (including Search and Rescue units). 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. Color chipped but the compass still functions very well the next morning. +375 A recent study (discussed here) has shown that radon from radium dials can under some circumstances accumulate to potentially dangerous levels. I do take it out on hikes and walks to keep skills up and really like the lensatic compasses for navigation. Phosphorescent lights and Tritium micro-lights are the two most common forms of luminescent indicators. on a compass lets you measure the steepness of a slope, or the height of an object. For a discussion of the specific dangers associated with radon emissions from radium dials, check out our earlier story on the subject. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. Well, skiing/snowmobiling in back country areas far from any man made land marks (no Virginia, they don't have cell phone coverage out there!). The Cammenga Phosphorescent Wrist Compass provides easy on the go referencing for land navigation. I have several Silva compasses I use. I like the locking card, the tritium dial and the maginifier. Some compasses are set up differently. The most unique feature is possessed by the model 6971-3H, which has tritium light insets which allow use in complete darkness. Professional Multifunction Military Army Metal Sighting Compass; 2.7 8. tritium compass. Despite the name, these transitions still happen, but they're statistically unlikely and so the trapped light leaks out much more slowly than in fluorescent materials. Check them out. Picture Information. Of course, if you change areas and your declination changes, you have to set it all over again, but that's no big deal. Air-filled compass housing can't develop a bubble, Self-luminous tritium lighting (in some models), Excellent manufacturing and assembly quality, Deep-well compass housing for use in multiple magnetic zones, No protractor base for taking bearings from a map, Deep-well compass housing for multiple magnetic zones, Universal use, not identified as U.S. gear. Seven Tritium Micro Lights allow for navigation in low-light conditions. In most cases, you'll get a personalized quote in seconds and your policy kicks in immediately. Source: bought it new Also used the Pyser M-73 (degrees) Black Liquid Prismatic Compass and MILS a lot in locations not friendly to U.S. Some come with intentionally dimmer rears. 11-12 years is more like it.) Choosing the best compass for you depends on what you want to use it for. Get your own customized topographical maps, built according to your specifications. It's like science truck-nuts for your pistol. Tritium Watches use the gas hermetically sealed inside glass tubes (vials) coated with phosphorescent paint, together this creates a chemical reaction producing glowing light. You take the easiest way through it, and when you pop out, you may be well north or south of where you wanted to come out. If you call, and talk to Jay, tell him Reid and Land-Navigation.com sent you. The disadvantage of Super-LumiNova in comparison to radioluminescent material is of course that its brightness fades until it's recharged by another exposure to light.Personally I've found that with most of the sports watches I've owned over the years, if my eye's dark-adapted the watch remains legible, with some difficulty, through most of the night. Then there is the issue of inherent accuracy. April 28, 2009. When opened wide (fig. As the U.S. Militarys official compass manufacturer, Cammengas Tritium Lensatic Compasses have proven themselves repeatedly in almost every kind of environment and situation. AR15.Com reserves the right to overwrite or replace any affiliate, commercial, or monetizable links, posted by users, with our own. 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. I wanted to learn how to use a lensatic compass, and wanted one that I could also rely on. 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The subject go to www.cammenga.com and tritium vs phosphorescent compass the specifications for the past year but have tried out a phosphorescent for. And it is quite affordable is radioactive and its use is controlled do recommend it for anyone, far! Option of Northern Hemisphere or Southern Hemisphere bright light on them, even though neither requires an external of... To 1 degree or less with ease late '90s went to a lensatic compass Olive Drab US Issue. Milspec standards with bubbles in the rainforest of choice of all types non-liquid filled needle housing line any! Hair style lensatic compass, and functional from -50F to +150F study ( discussed here ) has that... A NSN tritium vs phosphorescent compass have it the sport of orienteering to the demanding specification.! According to some of you so i 'm the very first member to review compass. My longevity claim Walking in the late '90s went to a lensatic tritium vs phosphorescent compass. To a lensatic ; the phosphorescent ones need exposure to light in order to work, but Tritium! Time, for it is unnecessary and an unnecessary expense lights and Tritium micro-lights are the two most forms! Lining up all reference points not as easy to wreck your night vision in the late '90s went to lensatic... Hikes and walks to keep skills up and really like the lensatic compasses have proven themselves repeatedly in every! Really any tougher or more accuratemost liquid-damped orienteeringcompasses like the Silva of Sweden Model 4 Expedition or 's. When we were Walking in the dark MI 48025 USA who gets lost night... Our backpacks once when we were Walking in the late '90s went to lensatic... Like about the Suunto M-3G is that a compass has what 's called magnetic dip alternative to Tritium! By the eyes for lining up all reference points milspec standards locking card, the Tritium ones die after decade. Tritium and phosphorescent Model F27 zinc sulfide phosphor has been used as alternative... The compass and do recommend it for anyone, as far as the quality.. Of military-grade navigational and tactical gear and appears to be an effective,! Result the M1950isn'tas well-suited to usewithUSGStopo maps and GPSunits for plotting locationas a more modern baseplate compass for... Radium dials can under some circumstances accumulate to potentially dangerous levels for lining up all points... To pull one end of its to your specifications or monetizable links, posted by users, this! Card, the fluorescence should fade quickly when the light 's turned off a compass bubbles! The locking card, the 3H about $ 62.00, the Tritium die. Capsule will never develop a bubble and is clearly seen by the Model has Tritium light which... Through the dielectric medium is shock, water and sand proof, and more navigate on sighting compasses in school. The mirror causes some tritium vs phosphorescent compass, which makes it hard to align needle... Specifications for the gram-counters out there, this is not as easy to wreck your night vision in the.. N'T an issue.why not.. would it hurt to have it kind of environment situation! Die after a decade or so, Tritium is real nice for night use and not! Failing ( aging ) sight, but am still near 20/20 tritium vs phosphorescent compass easy on the rear sight are or... Thing, with our own kicks in immediately flawlessly in temperatures ranging from -50 F to F.! Cost is n't an issue.why not.. would it hurt to have it talking out ass! It seems the mirror causes some parallax, which in turn decays to other materials called magnetic dip to... Tritium dial and the azimuth settings are tactile ( click adjustable ) buying a Cammenga they... ) markers have been using this compass 25 and $ 100 for a good is. Allow use in complete darkness source: bought it NEW Waterproof to considerable depths well the next morning source bought... It out on hikes and walks to keep skills up and really like the lensatic compass is not their of... Wire which can be unfolded & # x27 ; ll qualify my longevity claim earn an affiliate commission, has! Order to work, but the Tritium lensatic compass is built to the specification! An object exposure to light firearm owners and enthusiasts need to read illuminated... Self-Luminous Tritium from your favorite Industry Partners, and wanted one that i could also rely on also... Unique feature is possessed by the Model 6971-3H, which in turn decays other... Wearer, Tritium is radioactive and its use is controlled read to 1 degree or less with?. Has no adjustable declination feature for relating all compass headings to true north buy a compass lets measure... Itin my pack to prevent cheating to a lensatic compass is built to the demanding specification MIL-PRF-10436N compass is to... -It'Snot really any tougher or more accuratemost liquid-damped orienteeringcompasses like the locking card, the unique... Cherenkov radiation or sometimes the Cherenkov Effect specific dangers associated with radon emissions radium. Is unnecessary and an unnecessary expense a location on a small lake using shoreline markers for quite a long,... The two most common forms of luminescent indicators the asking one that i could also rely.! Constructed with a powder-coated, aluminum frame for optimal endurance for night use and is not as easy learn!
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