The red dot sight is also known as the reflective sight. The principle of the red dot sight is very simple. Its main body is a curved half mirror, and the laser is emitted to the mirror and reflected in the eyes. The red point light source shoots at the glass at a fixed angle, and shoots backwards parallel to the barrel after reflection. The ray angle is adjusted according to the trajectory of different guns to form two intersections with the trajectory.
It is used to improve the aiming speed and aiming field of view, but it requires the eyes to be within a fixed range before it can be used. If the head is too high, it is impossible to see or see the red dot. The advantage is that the eyes don't have to face the sights, but slightly off. As long as you can see the red dot on the target, the muzzle is already facing the target.
In fact, there was a red dot sight during World War II, but at that time, the name was not a red dot sight, but a more technical term for reflective sight. The real red dot sight only appeared in 1970. It uses LED lights to project, very concentrated and easy to identify the red dot. This is our usual red dot sight in games.
The original reflective sight appeared after 1900, and the original sight used different lenses to reflect the image inside the sight to the shooter's sight to achieve the aim of aiming. Reflective scopes first appeared on fighters in the late World War I. By the Second World War, they had become a standard configuration for almost all fighters. The light weapons of infantry appeared in the latter part of World War II around 1945.
The world's first reflective sight sold for commercial purposes, which was launched in 1945, was called Nydar Model 47. It was originally designed to be mounted on a shotgun for hunting purposes. It looks like Call of Duty WWII. Prototype in China: Nydar reflective sight.
