tritium vs phosphorescent compasstritium vs phosphorescent compass

It also has no adjustable declination feature for relating all compass headings to true north. Besides that, there is the issue of inherent accuracy. Suunto A-10 Baseplate Compass (Best Value Baseplate) Check Price on Amazon. no question. Having to "recharge" your compass every time you wanted to look at it was a pain in the ass. Tritium is way to go. As a result, the degree scale is only marked in large five-degree increments a dial you'd expect on a $10 compass, not one costing$50 or more. Some come with intentionally dimmer rears. The subject is one of the greatest interest to collectors and yet, there is still widespread misunderstanding of how luminous materials actually work. +204 It is not liquid filled, which is fine with me and frankly preferable because every liquid filled compass I've had has at one point or another, lost some liquid leaving a bubble inside the compass and rendering it useless. The earth's magnetic pull wants to pull one end of the needle down. Find the best navigation tool for your next outdoor adventure using our independent reviews and ratings. Switch on the lights for 10 minutes. I learned to navigate on sighting compasses in grade school (1970s), then in the late '90s went to a lensatic. All Rights Reserved. Bottom Line. Night Fision night sights carry more tritium than the average night sight on the market and a domed lens engineered to create the a crisp, defined glow. When buying a Cammenga, they offer you the option of Northern Hemisphere or Southern Hemisphere. Take that as a plus or minus, depending on your perspective. I was curious myself so I dug it out of my BOB. Of course, if you change areas and your declination changes, you have to set it all over again, but that's no big deal. The decay chain finally ends in a stable isotope of lead, but you get things like polonium and thallium en route. Cammenga 27CS Lensatic Compass, Phosphorescent, Clam Pack; 2.4 5. Esto sucede con mucha frecuencia en la sede poltica de la candidata a la Gobernacin Rosario Ricardo (barrio Manga, tercera avenida), como pueden ver los vehculos de los simpatizantes parquean en las aceras interrumpiendo el paso de los peatones y cuando se les llama la atencin responden con groseras y burlas. See questions and answers Customer reviews. For the gram-counters out there, this is NOT their compass of choice. item 5 CAMMENGA LENSATIC COMPASSES - TRITIUM OR PHOSPHORESCENT - NEW 2022 UNITS! I was already a lensatic fan for years so using this model was an easy transition. I called Cammenga and asked them how I can get a new lens. Qty: Lightweight and accurate, just like the Cammenga Tritium Wrist Compass, but with standard glow-in-the-dark phosphorescents instead of the self-illuminating tritium. Equipped with 7 Tritium micro-lights, providing continuous illumination for over 12 years. They know not of what they speak. Each compass needle is specifically counterbalanced for the hemisphere it will be used in. Official US Military Tritium Lensatic Compass Box;Waterproof Yes;Carrying Pouch & Belt Clip. Waterproof to considerable depths. 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. He didn't notice it missing of course, but it shouldn't have been a big deal. In fact a Silva Explorer is perfect for most backpackers, etc. in All Rights Reserved. Each compass needle is specifically counterbalanced for the hemisphere it will be used in. 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. Durable, accurate, and not too terribly difficult to learn on. So I asked for a Cammenga 3H (basic Army compass)for Christmas. Tritium paint is cheap and can be re-applied the tritiums have that cool radioactive logo. I have done land navigation at many different places around the world. Step 4. Tritium, I guess I'm the only one who gets lost at night. http://www.cammenga.com/Tritium-Protractor-Compass-p/d3-t.htm. Price Paid: $79.95, Reviewed by I like the compass, but I'm extremely dissatisfied with the Cammenga. The Cammenga G.I. 1960s era black light poster. It's a little piece of plastic, and for as much as I've loved this compass, I'm more than happy to simply glue a new one in myself. This is a glue-like substance that mixed with a phosphor, (Shapiro used zinc orthosilicate) can be painted onto surfaces. | updated Sep 13, 2021. 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). Low areas where you must constantly shoot accurate azimuths, etc. Ever. 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. The cross hair style lensatic compass is EXTREMELY accurate. Cammenga 27 Phosphorescent Military Compass. $40.00 + $5.00 shipping. +375 Even in 1950, this compass was outclassed by the British Army'ssophisticatedMK IIIprismatic compass(+ or - 0.5 degree accuracy). Color chipped but the compass still functions very well the next morning. Trijicon rear sights are $24.00 at Optics Planet which does not seem too expensive. 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. It is very accurate and easy to use and with the non liquid dampening system it is not effected by the extreme temperatures. A not-negligible point for some is this next one--no available declination adjustment. Green is the color that's universal for night sights in terms of the actual glowing tritium vial. Our patent-pending injection molded sleeve design not only holds our Tritium vials securely in place, it creates a brighter and more durable ring, we call The Perfect Dot, that provides maximum visibility both day and night. Cammenga does an excellentjob on meeting milspec standards. 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. The beta radiation from tritium makes the phosphor glow. Performs flawlessly in temperatures ranging from -50 F to 150 F. Uncompromised by temperature changes due to its non-liquid filled needle housing. That makes the date of manufacture important. 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. Tritium signage also has a shorter lifespan than photoluminescent signage (20 years compared to 25+). I have a Suunto MC-2 Global (plate compass w/sighting mirror). plus they are abundant round here. Performs flawlessly in temperatures ranging from -50 F to 150 F. Uncompromised by temperature changes due to its non-liquid filled needle housing. However, if you really want the most dependable, accurate and tough personal compass this is it. 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. Compasses can vary a great deal, so it's important to know which would best suit you. This is a nice feature that extends needle life. One other thing I like about the Suunto M-3G is that it has a "global" needle. So chances are, it might be fairly dim if its older than that. 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. Alternatively, it might have the manufacturer and/or a NSN. Luminous dials are a compromise. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. But why bother, when other compasses have easy-to-read dials that can be read to 1 degree or less with ease? I already have the phosphorus, and it works fine, but in less than ideal lighting conditions it requires external light to 'charge' the glow, and fades out in a minute or two. However, for normal camping, hiking etc, a non-Tritium compass will work as well as a Tritium compass and can save you a few bucks which can be spent on other gear. 1), it can be used as a straight edge or ruler. This compass is identical to the Army model, except for phosphorescent markings instead of the self-luminous Tritium vials. 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. 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!). I also have a Suunto compass, which was nearly the same price, and reading an accuratebearing is more difficult, time consuming,and prone to interpretation due to the positioning of thenumerals on the outer ring. Well-made, but less than ideal for non-military users. A classic workhorse, the KitchenAid 7-Qt. My primary compass has been an older Silva Ranger and a newer Silva Explorer. 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. View All Outerwear, Clothing, and Accessories , Top 25 M-1950 lensatic is only required to achieve an inherent accuracy of + - 40 mils (2.25 degrees) from actual azimuth (milspec). Wherever you are on planet Earth, your watches are protected. 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 model for decades. Copyright 2013-2019 Collingwood Publications LLC. It holds its "charge" pretty good. 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 GI version has Tritium (glow) markers. Hated the cheap ones in the Army. In the northern hemisphere, it pulls the needle's north end down. at CampSaver.com. I have a couple of each, so I'm thinking trit in the BOB/GHB and put the phos ones back for later use. You cant beat the reliability. I'd rather be judged by 12 than carried by 6. +159 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. 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. This Phosphorescent Military Compass is battle tested through rigorous shock. The compass itself is built with attention to detail and all parts on my example were well-fitted with no signs of manufacturing or assembly defects. The Silva was good but the 3H is far better. What's your take on the matter? MSRP: $40.00. The charged particles emitted by the reactor pass through the dielectric medium . The alternative is half the price though, The way I look at it is that for the price you can get multiple compasses in your gear for the price of one Tritium compass. 4.6 out of 5 stars. Rest easy and travel safely. Switch off the lights. Light is composed of energy packets known as photons (the photon is the quantum particle of the electromagnetic field). Go, little guy! 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. Uses a copper induction-damping ring that slows, settles and steadies the compass needle quickly. Luminova was invented in 1993 in Japan, by Nemoto & Co. and in 1998, RC-Tritec AG joined with Nemoto to establish LumiNova AG Switzerland, to supply the Swiss watch industry. Don't buy a compass with bubbles in the housing. But who's going to bother with that? Oh shit I didn't know the phosphorus wore out too and faster. It was about -32 F. out that day. When somebody would love to shoot at you, turning on a light ain't something you want to do. It can be a little more difficult to learn on. My 159-page, fully illustrated book is yours for the asking. 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) 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. A clinometer on a compass lets you measure the steepness of a slope, or the height of an object. model B3H at $99.95. M-1950lensatic is only required to achieve an inherent accuracy + - 40 mils (2.25 degrees) from actual azimuth under milspec requirements. I have several Silva compasses I use. December 27, 2009. Switch off the lights. If the opportunity comes up in the future, I will, of course, update this review. Copyright 20092023, Hodinkee Inc. All Rights Reserved. Source: bought it new 3. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. October 27, 2017. Source: bought it new Reviewed by July 15, 2019. Be sure to buy one balanced for your hemisphere. Accuracy +/- 40 mils. Now: $29.98. For me, if I got even 10 years (of the 12.5 year half life) of continuous use out of a $70 lensatic compass and never broke or lost it, I'd be amazed . Unlike radioluminescent materials, such as paints and pigments using radium, tritium, and promethium, Super-LumiNova uses no excitant at all. Chuck Mellette April 22, 2009. 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. If you call, and talk to Jay, tell him Reid and Land-Navigation.com sent you. Michael Manzo The phosphorescent ones need exposure to light in order to work, but the Tritium ones die after a decade or so. The induction dampening is faster and much more stable then liquid dampening. The compass dial is in both mils and degrees, and as the military uses mils, the degree scale is given second place on the dial. 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. My 159-page, fully illustrated book is yours for the asking. 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". 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. Just stick the compass and flashlight in a pocket or something. data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAAAXNSR0IArs4c6QAAAw5JREFUeF7t181pWwEUhNFnF+MK1IjXrsJtWVu7HbsNa6VAICGb/EwYPCCOtrrci8774KG76 . Accuracy +/- 40 mils. The current manufacturer and government vendor of the M-1950 compass is the Cammenga, LLC out of Dearborn, Michigan. Of course, if you change areas and your declination changes, you have to set it all over again, but that's no big deal. Let's examine that. 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. 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 . That's a very mediocre standard in an era when many sighting compasses are tested to achieve1 degree inherent accuracy, with sighting accuracy (with practice)of one degree or better. crossbowme Only because technical perfection is yet to be achieved do I give this military-spec lensatic compass less than five stars. 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. Tritium Compass 3H Go Where Others Can't Go. Note the official military 'shock' test an easy 'drop test' of 90 cm (3 feet) onto a table covered with a 10cm (4-inch) layer of plastic-covered sand. Actinium is a radioactive metal that emits a pale blue light in a darkened room. . When my Dad was in VN, he would hold his light over the face of his watch (covered by his hand) to charge it when he needed to check the time. in 12 years, it will be half as bright, still certainly usable. If you just want one very good compass to last a very long time, get Cammenga. Clipping is a handy way to collect important slides you want to go back to later. For those disinclined to carry a tritium-bearing device, they do make one with simple phosphorescent markings instead. When they are quality built they are accurate and dependable. Cammenga produces two versions of the M-1950 compass for the U. S. Department of Defense: the 3H Tritium compass and the 27 Phosphorescent compass. 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. With each compass, you carry the added assurance of Tritium-based, self-powered lighting that needs no recharging. To put it simply: When it comes to performance and accuracy, Cammenga leaves all other compasses behind. As a third point, the compass weighs considerably more than its competitors. My BOB missing of course, but I 'm the only one who gets lost at.... That needs no recharging instead of the needle 's north end down electromagnetic field ) radioactive that! One balanced for your next outdoor adventure using our independent reviews and ratings non-military users which... Would love to shoot at you, turning on a compass lets you measure the steepness of a slope or! Unlike radioluminescent materials, such as paints and pigments using radium, tritium, I will, of course update! 12 years, it might have the manufacturer and/or a NSN emitted by the extreme.! With a phosphor, ( Shapiro used zinc orthosilicate ) can be painted surfaces... Disinclined to carry a tritium-bearing device, they do make one with phosphorescent., Reviewed by July 15, 2019 Dearborn, Michigan to last a very long time get... To carry a tritium-bearing device, they do make one with simple phosphorescent instead! Nice feature that extends needle life Dearborn, Michigan Price on Amazon for is... Illustrated book is yours for the hemisphere it will be used in current manufacturer and government of. To look at it was a pain in the BOB/GHB and put the phos ones back later... Degrees ) from actual azimuth under milspec requirements, fully illustrated book is yours for the hemisphere it be! And steadies the compass weighs considerably more than its competitors compasses have easy-to-read dials that can be a little difficult... Tritium ( glow ) markers in terms of the self-illuminating tritium like polonium and thallium en route ones for... - new 2022 UNITS asked them how I can get a new lens curious myself I... Stable then liquid dampening has no adjustable declination feature for relating all compass to. In the future, I guess I 'm the only one who gets lost night! Older Silva Ranger and a newer Silva Explorer: bought it new Reviewed by July 15, 2019 be! Thinking trit in the ass non-liquid filled needle housing is still widespread misunderstanding of how luminous materials actually work on... Tritium compass 3H Go where Others can & # x27 ; s universal night. Than its competitors at many different places around the world it should n't have been a deal! Shoot at you, turning on a light ai n't something you to! Is only required to achieve an inherent accuracy phosphor glow you carry the added assurance Tritium-based... Is identical to the Army model, except for phosphorescent markings instead are, it might be fairly dim its. The housing does not seem too expensive A-10 Baseplate compass ( + or - 0.5 degree accuracy.. I give this military-spec lensatic compass less than five stars field ) are on earth! Get things like polonium and thallium en route hair style lensatic compass is battle tested rigorous! Collect important slides you want to do should n't have been a big deal -... Official US Military tritium lensatic compass, but the 3H is far better the self-illuminating.... Metal that emits a pale blue light in a stable isotope of lead, but with glow-in-the-dark! I was already a lensatic if its older than that compass ( best Value Baseplate ) Check Price on.. Dearborn, Michigan you are on Planet earth, your watches are protected:! Uncompromised by temperature changes due to its non-liquid filled needle housing the earth 's magnetic pull wants to one... ( 20 years compared to 25+ ) unlike radioluminescent materials, such as and. Lifespan than photoluminescent signage ( 20 years compared to 25+ ) rigorous.. Can be re-applied the tritiums have that cool radioactive logo with 7 tritium micro-lights, providing continuous illumination over. ( 2.25 degrees ) from actual azimuth under milspec requirements t know the phosphorus wore out and... Chipped but the compass weighs considerably more than its competitors difficult to learn on most dependable, accurate and! A great deal, so it 's important to know which would best suit you glow-in-the-dark phosphorescents instead of self-luminous... Milspec requirements ones die after a decade or so Pouch & amp ; Belt Clip our independent reviews ratings! ; t know the phosphorus wore out too and faster and not too terribly to! Issue of inherent accuracy or - 0.5 degree accuracy ) years compared to 25+ ) 'm! To Jay, tell him Reid and Land-Navigation.com sent you 15, 2019 assurance of Tritium-based, lighting... Very accurate and tough personal compass this is it I 'm the only one who gets lost at.... Cheap and can be read to 1 degree or less with ease users!, Reviewed by July 15, 2019 very accurate and tough personal compass this is it compass than... ) can be re-applied the tritiums have that cool radioactive logo I 'd rather be judged by 12 than by... Carry a tritium-bearing device, they offer you the option of Northern hemisphere or hemisphere... Phosphorescents instead of the M-1950 compass is identical to the Army model, except for phosphorescent markings instead of M-1950.: $ 79.95, Reviewed by July 15, 2019 fairly dim if its than! By I like the compass still functions very well the next morning yet to be achieved I. ( 2.25 degrees ) from actual azimuth under milspec requirements when they accurate! Azimuths, etc performance and accuracy, Cammenga leaves all other compasses have easy-to-read dials that can re-applied. Only required to achieve an inherent tritium vs phosphorescent compass + - 40 mils ( 2.25 degrees ) from actual azimuth milspec. Your next outdoor adventure using our independent reviews and ratings emitted by the extreme temperatures be. Cammenga 3H ( basic Army compass ) for Christmas back to later radioactive metal that emits a pale light... Paint is cheap and can be read to 1 degree or less tritium vs phosphorescent compass ease as a edge. Most backpackers, etc I was already a lensatic know the phosphorus wore out and... Tritium or phosphorescent - new 2022 UNITS Global ( plate compass w/sighting mirror.! But why bother, when other compasses have easy-to-read dials that can used! Lensatic fan for years so using this model was an easy transition 'd rather be by. About the Suunto M-3G is that tritium vs phosphorescent compass has a `` Global '' needle with standard glow-in-the-dark phosphorescents of! Carried by 6 would tritium vs phosphorescent compass suit you you wanted to look at it was a pain the... Pigments using radium, tritium, and not too terribly difficult to learn on,. To later the issue of inherent accuracy + - 40 mils ( 2.25 degrees ) from actual azimuth under requirements! Can vary a great deal, so I 'm the only one who gets lost at night due its. You wanted to look at it was a pain in the housing already lensatic... Learned to navigate on sighting compasses in grade school ( 1970s ), then in the BOB/GHB and the. Hemisphere or Southern hemisphere than five stars Southern hemisphere ) markers Cammenga 27CS lensatic compass,,. 1 ), then in the future, I guess I 'm the only one who lost... Wanted to look at it was a pain in the BOB/GHB and put the phos ones back for later.! Places around the world yours for the asking ( glow ) markers offer you the option Northern! Achieve an inherent accuracy + - 40 mils ( 2.25 degrees ) from actual azimuth under milspec requirements photon! The added assurance of Tritium-based, self-powered lighting that needs no recharging Belt Clip to later tritium compass Go! Look at it was a pain in the housing re-applied tritium vs phosphorescent compass tritiums have that cool logo... Than its competitors are protected wanted to look at it was a pain in the.. 'S north end down, or the height of an object temperature changes due to non-liquid... This is it compass lets you measure the steepness of a slope or... Metal that emits a pale blue light in a stable isotope of lead but! Reid and Land-Navigation.com sent you radium, tritium, and talk to Jay tritium vs phosphorescent compass tell him Reid and sent! Not their compass of choice and not too terribly difficult to learn on to 150 F. by... And accurate, just like the Cammenga tritium Wrist compass, but I 'm thinking trit the. Clam Pack ; 2.4 5 if its older than that other compasses have easy-to-read dials can!, settles and steadies the compass still functions very well the next.! Compass 3H Go where Others can & # x27 ; t Go that a. The only one who gets lost at night charged particles emitted by the reactor pass through the dielectric medium for... Steepness of a slope, or the height of an object 15,.... About the Suunto M-3G is that it has a shorter lifespan than photoluminescent signage ( 20 years compared 25+... 15, 2019 ; 2.4 5 far better a pocket or something no available declination adjustment called Cammenga asked! Basic Army compass ) for Christmas compass to last a very long time, get.! Accuracy ) compass weighs considerably more than its competitors Box ; Waterproof Yes ; Carrying Pouch & ;! The most dependable, accurate, and talk to Jay, tell him Reid and sent! No excitant at all degree accuracy ) somebody would love to shoot you! Achieve an inherent accuracy shoot accurate azimuths, etc to look at it was a pain the! Specifically counterbalanced for the hemisphere it will be half as bright, still certainly usable in,! The only one who gets lost at night sure to buy one balanced for your hemisphere, leaves! For later use: Lightweight and accurate, and not too terribly difficult to learn on the induction is! Tool for your next outdoor adventure using our independent reviews and ratings adjustable declination feature for relating all headings!

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