What kind of telescope has scales in it? What is the use of a scale on a military telescope?

Hello! The scale you are talking about is called "reticle", generally speaking, most military telescopes have reticles, and the role of reticles is to judge the distance between the observer and the target.

If you have any questions, you can ask me, I will wait for you.

Are you a newbie? Some newbies like to pursue this thing, but it's not really recommended.

There are two kinds of telescopes with this thing, one is inferior, and one with this is pretending to be military. One is really military, ** close to 1,000 yuan, more than 1,000 yuan, and some have this. Actually, there are many of them, because there are some drawbacks.

Using it to measure distance is actually not only troublesome, it needs to be calculated according to a certain formula, and it is not too accurate. Moreover, not all environments can be used, and there must be a reference. Therefore, many veterans deliberately don't want this kind of thing, which is not very useful and hinders the viewing.

So from this point of view, it is generally not recommended. But if you're aware of all of these situations and insist on wanting it, then maybe you have a point, that's okay. It's just that you should pay attention to the fact that there are many fakes now, and you can go to popular optics to take a look at the basic identification knowledge.

It will help.

To give you the most common military telescope reticle ranging principle (your kind should be like this), the truck in the picture below is assumed to be 10 meters long, and the width of the scale is 14 divisions, that is, 70 units (military language called dense position), then divide 10 by 7, that is, 10 7, and then multiply by 1000, and the measured distance is 143 meters. The prerequisite for using this type of ranging method is to have a good grasp of the dimensions and size of the target.

The answer is infinite. Ordinary telescopes have an effective distance of 60-1000 meters or more1The distance of the telescope is related to the person's vision:

For example, when the letter "e" on the eye chart is tested at a distance of 5 meters, people with good eyesight can see the bottom row, and people with nearsightedness may only see the upper few lines of "e". If you put the eye chart 50 meters away and look at it with a 10x telescope, it is equivalent to 10 times closer, (the same as looking at it from a distance of 5 meters). People with good eyesight can still see the bottom of the same, and those with myopia can only see the big "e" on the top few lines, and the bottom is still not clear.

People with myopia will say that this telescope cannot see 50 meters, and they can't even see the bottom letter clearly, while people with good eyesight will say that this telescope is very good, and even the bottom letter of the vision table 50 meters away can be seen, can you say that this telescope can only see 50 meters?

2.The distance that the telescope can see is related to the size of the object: for example, if you use an ant 1000 meters away, you use 10 times the telescope, which is equivalent to pulling the ant closer to 100 meters, you must still not see, can you say that this telescope cannot see 1000 meters?

If a person 1000 meters away is observed with a 10x telescope, then it is equivalent to pulling the person closer to 100 meters, then it must be able to see clearly. When the letter "e" on the eye chart is tested at a distance of 5 meters, people with good eyesight can see the bottom one clearly, while those with myopia may only see the big "e" in the top few lines. Why?

It's because the bottom few lines of the letter "e" are too small! With a telescope, you can see the crater of the moon at a distance of 380,000 kilometers, but you can't see the Earth's satellites that are very close to us, because they are so small.

3.The distance of the telescope is related to the air quality: for example, if you use the same telescope to observe a target 1,000 meters away, you can clearly see the target on a sunny day, but you may not be able to see it clearly after rain, when there is no sun on a cloudy day, and there are car exhaust fumes and dust in the air.

Taking it a step further, if there is fog, there are a lot of suspended particles in the air, and visibility is reduced, then it may not be visible for 50 meters, which is why foggy weather blocks the road.

By the first year of high school, you'll know that telescopes can see infinity, but there are limits to near range, that is, too close to see.

If you ask about the use of general telescopes, according to the most common 8x magnification telescope on the market, you can see the numbers and letters on the license plate within 200 meters. It's just that the hand has to be held very steadily, and it can't be seen clearly when it trembles.

If you want to see how far away, the naked eye saw a million light-years away two days ago, and the performance of the telescope is not a distance or a multiple.

Theoretically, you can see as far as you can.

Let me start with a question for you:

If you look at a match 100 meters away, you say you can't see clearly, is it that your eyes can only see no more than 100 meters?

But you can still see a mountain a few kilometers away, so how far can your eyes see?

So, it's not how far our eyes can see, it's what is the smallest angle our eyes can discern.

The same is true for telescopes, the greater the magnification, the greater the resolution, and the farther the object can be seen. Therefore, telescopes with different magnifications can observe at different distances.

In addition, telescopes are further divided into optical telescopes and radio telescopes.

An optical telescope is the kind we often see and use in our daily lives, and its magnification is equal to the focal length ratio of its objective lens to the eyepiece.

The answer is infinite. Ordinary telescopes have an effective distance of more than 60-1000 meters.

1.The distance of the telescope is related to the person's vision:

For example, when the letter "e" on the eye chart is tested at a distance of 5 meters, people with good eyesight can see the bottom row, and people with nearsightedness may only see the upper few lines of "e". If you put the eye chart on.

50 meters away, with a 10x telescope, is equivalent to 10 times closer, (the same as 5 meters away). People with good eyesight can still see the bottom of the same, and those with myopia can still only see the top few lines.

The big "e" is still not clear at the bottom. People with nearsightedness will say that this telescope cannot see 50 meters and cannot even see the bottom letter clearly, while people with good eyesight will say that this telescope is very good, even 50 meters away.

You can see the bottom letter of the force table, can you say that this telescope can only see 50 meters?

2.The distance that a telescope sees is related to the size of the object:

For example, if you use a 100x telescope to bring the ant closer to 100 meters, you will definitely not see it, and you can say that the telescope cannot see 1000 meters? If you say 1000

A person a meter away, observing with a 10x telescope, then it is equivalent to pulling the person closer to 100 meters, then it must be able to see clearly. The letter "e" on the eye chart is placed at a distance of 5 meters when the visual acuity is tested.

A good person can see the bottom one clearly, while a nearsighted person may only see the big "e" in the top few lines. Why? It's because the bottom few lines of the letter "e" are too small! 380,000 metric meters can be seen with a telescope.

The crater of the moon in the middle of it, but we can't see the Earth's satellite very close to us, because they are too small, that's the reason.

3.The distance of the telescope is related to the air quality:

For example, if you use the same telescope to observe a target 1,000 meters away, you can clearly see the target on a sunny day, but you may not see it clearly after rain, when there is no sun on a cloudy day, and when there are car exhaust fumes and dust in the air. More.

Taking a step closer, if there is fog, there are a lot of suspended particles in the air, and visibility is reduced, then it may not be visible for 50 meters, which is why the foggy weather blockade tells the road.

Hope to give a standard answer!

Nanyang Haike Optoelectronics Co., Ltd. - answer.

The telescope is not about how far to see, but only how many times to get closer to the target, with a 10x telescope**1000m away from the target is to zoom in on the target 10 times, the effect is equivalent to about 100m of ordinary looking.

Tens of meters near, hundreds of light years away.

The answer is: how far can your vision support.