Scope is a sophisticated instrument. Most users can see clearly up and down, left and right when holding them, and almost every button will turn to see what it is for. I am not the only one who can do this! Look at it, research is research, some buttons can be turned, some are not, each function key also has its own mission! We may be clear but not necessarily understand its meaning.
- Diopter adjustment
Since the age and vision of the shooter are different, each machine will have diopter adjustment, which is mainly used to adjust to the most suitable position for different people, such as some people are normal, some people are nearsighted, and some People with presbyopia and some people have astigmatism. Through the diopter adjustment ring of the eyepiece group, the optical path of the eyepiece group can be changed to achieve the most suitable degree of matching with the user’s vision.
The adjustment of the diopter is not endless rotation. When using it, it should be slowly rotated to the most suitable position. Sometimes it will not rotate and the adjustment is not good. Then slowly earn it back to achieve the best effect. The technique should be slow, otherwise some products of poor quality will cause the sealing ring to fall off accidentally, and it will be better to carve the lens.
- Deviation and height adjustment protective cover
Except for some military scopes, most civilian scopes have protective covers to protect the internal deviation and height adjustment buttons. This adjustment button is mainly used to adjust the cross-reticle more accurately up and down, left and right, so that the cross line is more distant from the target. Precise! Cover the adjustment button immediately after adjustment to prevent rain and dust from attacking the adjustment knob. Generally speaking, this kind of cover is made of aluminum and is machined with inch threads. Be careful when screwing on and off. Because the inch thread is easy to slip.
- deviation and height adjustment button
The deviation and height adjustment buttons are actually ballistic adjustment buttons. The main function is to adjust the height and left-right deviation of the projectile falling point. There are generally two ballistic adjustment knobs, one is for up and down adjustment, and the other is for left and right adjustment. The adjustment range is very small and precise. The scale of the knob is generally represented by 1/4 MOA. A more precise scope will be as fine as possible. 1/8 MOA. (MOA is the unit of shooting accuracy, translated into Chinese is the angle of division, which means 1 of 60 of the 360 degrees), this adjustment knob is generally calculated at 100 meters per twist in the country After 6mm, the conversion between international and domestic meters is a little different, of course, each product is different.
- objective lens group adjustment ring
The objective lens group adjustment ring is actually to adjust the magnification and focus. The magnification exists for us to see the target farther away. Because the target distance is different when observing and shooting the target, some may be at 100 meters. It may be at 1000 meters. In this way, when aiming at different distances, the distance between the imaging focus of the objective lens group and the reticle is not absolutely fixed. According to the change of the shooting distance, the division is within a certain range. The line will not coincide with the imaging focus of the objective lens. When the eye moves up, down, left, and right at the exit pupil distance, the crosshairs will also move with the eye.
For example, if we double at 100 meters, we can see clearly, and at 200 meters, we need twice the magnification to see clearly, and so on, the larger the magnification, the more distant the target can be brought closer, but on the contrary, the field of view It will be narrow and incomplete. Therefore, before leaving the factory, the manufacturer will set the focus of the objective lens at the most commonly used shooting distance, so that the user can adjust it to a position where he can see clearly after holding it in his hand!
Like each brand and each product, their functions and areas involved are also different! For example, Orfa, Germany, is mainly engaged in night vision scopes, which can be used for night hunting, law enforcement, and public security. , He and the components mentioned above still have more functions, because it is a night vision scope, so there are additional infrared fills and cross-line reticle brightness adjustment functions; there is also a special passion for thermal imaging The technical American RNO scope is also slightly different from the above mentioned, including buttons, ballistic adjustment buttons and so on.
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