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Brunton ComPro Pocket Transit International Compass with 0-360 Degree Scale
Color Name: GreySize Name: 0-360 degreeChange
Price:$291.87 + Free shipping with Amazon Prime
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20 of 21 people found the following review helpful
on November 9, 2009
Color Name: GreySize Name: Quads 4x90 degree
Preface: I'm an engineering geologist. I take geologic measurements. I don't do surveying; that's what surveyors are for. That said... ditto what Gary said. I have a composite (plastic) Classic, and a Geo. For the record, the so-called "plastic" Classics are just as accurate and bomb-proof as the rest of them. I've been using my composite Classic for 5 years with no problems... except for that dog-gone hinge. No, it doesn't break, but it sure gets in the way when taking measurements. Then came the Geo... I lusted over one of these for several years; then, about a year ago, took the plunge. The new hinge design works just as expected... which is to say miraculously! It allows you to put your lid on ANY surface, regardless of orientation, and get your measurements. And you can adjust the hinge friction! Try THAT with your Classic! There are 2 little bubble level tubes set into the bottom edge, right in front of the hinge, and they're a huge help when taking measurements over your head. Another feature I love is the ability to use the compass with the needle swinging freely like the classic, or lock it down so that you have to push a little button to release it, then release the button to lock it down again. There's a little swing-arm on the bottom to switch between these 2 modes. The 2nd mode I described is great for general use, but is particularly nice for taking measurements where it would otherwise be almost impossible to read the dial, like over your head. This way, you can level the compass using either the round bubble level (viewed in the mirror) or the little ones on the side (but be careful, the little ones only read in 1 direction), push the button to let the needle swing, watch it in the mirror until it stops, then release the button thereby locking the needle with your reading so that you can read it when you remove the compass from the outcrop. And since your dip value is on the hinge, you're done. Cool, huh? It's kinda hard to explain, but it's sa-weet! And as solid as the case and hinge are, you know it's perfectly precise. Oh, and the bottom is flat; no ring like the Classic. So those are the technical benefits; but these things are as COOL as they are functional! There's just something about precision machined aluminum... I guess it's a guy thing, I dunno. It's the perfect compass in my opinion, and it's way cool!

I also second something else Gary said: If you're still using strike and dip, try dip direction and dip value (dip/dip direction). Basically the trend and plunge of the dip line. Once you're used to it, it makes way more sense. And the Geo makes it a snap to take measurements this way in 1 step, not 2. And lastly, get the 0-360. If you're still using quadrants, you should be retired by now.

Get the Geo; it's well worth the bucks; you won't regret it!
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14 of 14 people found the following review helpful
on October 30, 2008
Color Name: GreySize Name: Quads 4x90 degreeVerified Purchase
I use this item in my hobby--hunting and reporting on old survey benchmarks.

It gives me accuracy of approximately 1.5d. Most of the time I use it hand-held, but I have also mounted it on a tripod for doing simple triangulation (resections) on survey marks and their reference points.

One problem I've noticed is the difficulty of pressing and holding the needle release button when taking bearings. The button is small and hard to depress all the way, since it digs into your finger. If it is only partially depressed, an innaccurate reading will result.

The ability to sight along a tape on the ground and take its bearing (using the longer extended sight and the transparent "window" on the other side of the transit) is quite useful to me.

It sort of scares me that this expensive block of aluminum has no way of accepting a lanyard or other safety restraint, and so I keep worrying that I will drop it off a cliff or something. I find the bulky carrying case not useful, since my belt us usually under a pack strap anyway. Thus for quick bearings, I use a simpler baseplate compass, that I can also carry in my breast pocket and which won't send my to the poorhouse if it has to be replaced.

Expensive, but it's the standard...maybe I'll have to become a geologist to make fuller use of it..!
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16 of 17 people found the following review helpful
on August 26, 2009
Color Name: GreySize Name: Quads 4x90 degreeVerified Purchase
I've used the Geo Compass on several geological mapping projects. The Geo Compass design allows readings of dip and dip direction with only one placement on the rock surface (if you are still using strike and dip you should look into the many benefits of dip/dip direction readings).

You read the compass direction from the compass needle position and the dip angle from the small protractor on the side. This avoids the need to sit or lie on the ground to read the bubble level (although a bubble level is still available if you want to get dirty). So the Geo Compass allows not only more reliable readings, but is faster and you can stay off the dirt and out of the puddles. The design is similar to the "Clar" style compass used in europe for decades (why did it take us so long to see the light?) and competes with the "Freiberger Geological Stratum Compass" (which is much more expensive and has what I consider to be some quirks).

The Geo Compass is solidly built and should provide years of service. The included leather case works better than I thought it would - holding the compass fairly securely even without the snap. The only downsides are that it is slightly larger than the classic style (well worth the tradeoff) and more expensive. Prices seem to fluctuate, dipping down to the $300-$350 range.

I'd buy another one if I ever lost mine, even though I have a classic model available.
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3 of 3 people found the following review helpful
on April 10, 2011
Color Name: GreySize Name: Quads 4x90 degreeVerified Purchase
I give this four stars due to the leather case that wasn't properly sewn together where the bottom loop attaches to the leather case: Half the stitching is separated. I decided to keep it and apply a very strong epoxy. If the epoxy fails I'll have to send it in for repair. The compass is everything it is advertised to be. Solid construction, lifetime warranty. One note on the warranty: Inside the users manual (back page) is a lifetime warranty that is extended to the original purchaser for as long as Brunton makes the GEO compass. This warranty instructs you to fill out and send the accompanying registration form to Brunton. I didn't get a registration form. So I called Brunton and spoke with customer service. They informed me that they no longer require the registration form. All you need is the purchase order/receipt from AMAZON. So keep that!
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2 of 2 people found the following review helpful
on February 6, 2011
Color Name: GreySize Name: Quads 4x90 degree
I've owned a number of compasses, generally the best I could find and the one I liked using the most was the current U.S. Military lensatic with tritium markings. The problem with the military compasses you can't easily adjust for true north vs. magnetic and when doing USAR (urban search and rescue) we use true north, so I needed something that I could set it and forget it. I wanted to get something that was very accurate, wouldn't fail and would be an heirloom to hand down someday to my son. I purchased this Brunton and without any question it truly is the finest you can find anywhere. You can find the prices to be wide spread but wherever you buy it you've got an investment. One of the things you first notice is when you take a reading it doesn't work like a traditional lensatic. It's a "direct-reading" compass (which you'll need to read the instructions and others found on the web to get a grasp of how this thing works). Once you figure it out you question why they built it that way...in that when you sight with the mirror facing you (as with traditional lensatics) you read the S side of the needle...not the N. When you turn it around to have the mirror facing away from you the N side of the needle is used. You punch the button to release the needle, it swings around to where it should be on the compass and when you let up on the button it locks the needle. You then can move the compass in any position but still have the reading locked on the compass. It is deadly accurate and while others may be 5-10 degrees off by the way they're holding a typical compass your reading are dead on.

It's somewhat awkward to carry as it's fairly large and you need to carry it in the case. It doesn't have any means of attaching an lanyard. For search work I carry a traditional Silva or other type of Brunton on a lanyard, but for the real serious readings I pull out the Brunton.

I think Patton carried a Brunton during WWII as the photos of him depicted him with a case of some sort on his belt. It's identical to the Brunton case my compass came in. I'd imagine it was a Brunton as the military has used them for years with artillery.

In short, if you want the absolute finest compass that can be found anywhere, I believe this has to be it. It's something that's dead on accurate, and if there's any issues it's going to be with the user...not with the design or construction of what is probably the finest hand-held compass in the world. It's truly a superb instrument.
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3 of 4 people found the following review helpful
on December 13, 2011
Color Name: GreySize Name: 0-360 degreeVerified Purchase
This is truly a great product. I bought it for my son who is a Geologist for a gold mining co.. He tells me this compass exceeds all his expectations! The best part for me is it was affordable, much less than if I went to the Brunton website.
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on January 28, 2012
Color Name: GreySize Name: 0-360 degreeVerified Purchase
I love being able to use my own model as I've been using my department's old models. The quality of the mirror has gotten much better than it was 20 years ago, and its not done in the quadrant style which I don't particularly care for. I much enjoy being able to make the offset for declination as the school model is stripped. I have also noted that the pin moves much more smoothly than in the model I have been using. The other benefit to getting this compass was that they have the leather pouch for the compass in the case as well, which hadn't been listed as part of the purchase... bonus buy. Well, overall I love my new brunton. :) For the $200, it was totally worth it as I use them frequently for field work.
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on November 25, 2014
Color Name: GreySize Name: 0-360 degreeVerified Purchase
item not as described in title. compass is measured in quaudants not degrees as shown or in title. more acurate decription in write up. write up indicated quadrant style. item had to be sent to manufacurer for repair. brunton ticket #rma-010093. mirror and needle replaced. needle locking mechanism repaired. i had expected to have it recalibrated due to age and professional use. i was not expecting major repair. seller compromised with a 5% discount prior to repair for posted misinformation. item received from manufacturer today fuly restored. seller intent is questionable.
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4 of 6 people found the following review helpful
on January 7, 2012
Color Name: GreySize Name: 0-360 degreeVerified Purchase
Heads up! This item comes with it's own carrying case. My fault for not reading close enough and clicking on the 'buys with' button. I ended up paying seperate shipping for a carrying case I didn't need. Then shipping back!

The compass and original carrying case is awesome. Sturdy, beautifully made, and made the perfect gift.
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on November 5, 2014
Color Name: GreySize Name: 0-360 degreeVerified Purchase
so far so good. does what it is supposed to do, seems very durable. it's a brunton. great quality, top notch pocket transit. if you need one, this composite version is ALOT less expensive but very nice. ive been using it in the field for about 2 months and have no complaints. the leather case is super nice...great quality leather, I was surprised and impressed.
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