Many manufacturers of rifle scopes reticle can have a set of one or the other. Perhaps the most common supervisory goal Reticle Mil Dot reticle. This article describes how to use a Mil Dot reticle. With other systems of dose-finding purposes and similar benefits can be seen from this description.
Geometry of MilDot
A grid composed of dots arranged with the viewfinder MilDot evenly on the horizontal and vertical. Each point ofLattice is a milliradians in diameter. Without getting bogged down in geometry, is an angular measurement in radians of a circle where the radius of the circle corresponds to the length of the arc of the circle. Milliradians is one thousandth of a radian.
With the geometry above, then we can understand how the range of millions conclusion applies to the letter. If we reach the center of a circle, to understand and take into account the object's distance from the radius of the circle, then weunderstand that the point includes a circular arc. Now, knowing that milliradians is one-thousandth of the radius, then the formula we can easily drive a mil dot for thousands of units use the same. That is, a shipyard in a thousand meters, one meter to 1000 meters, one centimeter over a thousand inches, etc.
Focal Plane
Scopes have two focal planes, the so-called first and second focal planes. Reticulum may be either first or second focal planes are located. If 'Grating in the first focal variable magnification range plane is set, the mil dot reticle will be used at any magnification, it will shrink or grow the network with the expansion. If the lattice is placed in the areas of the second focal plane, the grid is determined by the size of the magnification. If this is the case, the grid in order for the maximum magnification is calibrated. It is often useful to contact the manufacturer or search for informationhas come to be sure, but the test system for measuring distance to know its purpose is to reveal the calibration target with the telescope.
Practice, practice, practice
Speaking test range finding system, a lattice grid to measure the distance it takes practice and lots of it. Unlike the understanding of the use and size of the grid, you must know the size of the target for comparison purposes. It 'important targets at distances of known size you think you want to adjustRangefinder reticle and look through the telescopic sight. Then check what you see. Does it work? Is it useful? It does? Great, now the practice even more.
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