Кое что о параллаксе

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Dave Merrill of Breech Bang Clear explains that there is really no such thing as parallax free. He breaks it down rather simply and it is easy to grasp.
 
Here is a photo that illustrates how the reticle is reflected in the optic.

 
 
Most of the time a shooter will not experience much parallax shift if they have a good solid and consistent cheek weld. The issues comes down to unusual shooting positions and the focal length of the dot in relation to the target.
 

 
Here is a very simple yet clear demonstration of how this works.
[movie=400,300]http://youtu.be/5UkAJLa9z8M[/movie]

http://www.thefirear…llax-free/