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Weaver’s Micro-Trac Adjustments

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: March/16/2004 at 17:23
Chris Farris View Drop Down
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Micro-Trac ® 4 Point System
 





What is the Micro-Trac 4 Point System?

All riflescopes have an erector tube. These tubes are equipped with a means to adjust one end. This causes the point toward which the scope is looking (along with the crosshairs) to change. The Micro-Trac 4 Point System is similar to an automobile's dual independent suspension. Any adjustment made to the tube for windage is independent of any elevation changes. Therefore, when you change windage, elevation is unaffected and vice versa.

Why the Micro-Trac System is superior?

Most conventional conversion systems use 2 screws and 1 spring to adjust their erector tubes. Eventually, adjusting one screw "too much" will cause the spring to inadvertently affect the adjustment of the other variable. These other systems do not operate independently from one another like the Micro-Trac.

Most systems also have the screws baring directly down on the cylinder, whereas the Micro-Trac system bears down on a specific point of contact. Just like a ball joint in a car, this gives you better precision. The Micro-Trac erector tube is always being directed from the same point; angular motion is consistent.

Why does everyone need the Micro-Trac System?

The Micro-Trac 4 point System provides far better control of crosshair adjustments making it much easier to sight-in a rifle. Click adjustments are always consistant to a minute of angle.

The Result: Only the Weaver Grand Slam and Weaver T-Series offer such precision adjustment in a zoom scope.


Edited by Chris
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/09/2004 at 09:29
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Chris,

 

How does Sightrons "exact trac"  compare with Weaver?   Aren't they basically the same concept?

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/09/2004 at 10:28
Chris Farris View Drop Down
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They use a ring to achieve the constant contact point but as far as I know they do not use the four point contact system.  I think Weaver has their system copyrighted and patented.

 

The Micro-Trac 4 Point System is similar to an automobile's dual independent suspension. Any adjustment made to the tube for windage is independent of any elevation changes.

Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/09/2004 at 20:23
SAKO75 View Drop Down
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how does this compare with swarovski and zeiss claims of reticles adjustment in a square. they claim E & W do not effect one another either.

 

S&B's new zenith line has a gauge in the turret to tell you when your in the square and when your out. when your out, you start effecting the other adjustment.

 

they also give the actual data of how far they can go from center in the square before your out of the square. for instance their zenith 2.5-10-56 can go something like 16" @ 100 yards in each direction within the square but 25.2" overall. between 16 and 25 you will effect the other adjustment.

 

 i called leupold and asked them this same question. and 2 reps could not give me an answer. their answer was "try it out"

 

swarovski uses a 4 coil springs which sounds similar to weaver, thats only in their PH series though, the a lines have 1 leaf spring



Edited by SAKO75
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: July/12/2004 at 14:22
Chris Farris View Drop Down
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No scopes adjustments will effect the other as long as you are in the "zone" which is the middle portion of the adjustment range.  Bad things happen when you max either adjustment out or if you get close to maxing them out.  You must give S&B credit for publishing that data because they are being up front and honest.  The conquest uses a square housing so that if you max out one and adjust the other it follows the square.  If you max out the adjustment in a round adjustment scope and try to adjust the other it will follow the curve of the circle.  If you ever hear someone say that when they turn the windage the reticle goes diagonal you can bet that they have the elevation maxed or close to it.  The spring tension in most scopes is designed for the reticle to be sitting in the middle 20% of its range.  The majority of scopes that are returned as being broken really are not broken at all, the adjustments are just maxed out.  Most problems are with mounts but get blamed on the scope.  A good reticle system is crucial to a scope's performance.  All scopes should be mounted with the reticle centered and the least amount of adjustments made to get it sighted in.
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