A telescope that can tell a person s hairstyle from a kilometer away

I don't know what you said about "1 km to see people's hairstyles", is it required to see more "clear"??

If you want to see it clearly, this one is a bit difficult. If you can roughly see the contours of a person's hairstyle, this can still be done in good weather. Of course, you can't hold a telescope, so you need to choose the kind of monocular desktop telescope with a tripod.

But to be clear, I don't know what kind of monocular you are talking about?

If it is (1): a small hand-held monocular, this advice should not be touched. - When someone asks about "monoculars", I'm worried that he's asking about this kind of thing:

Similar to the small flashlight size of the kind of small monocular, specifications such as 15-35x21, etc., the multiple can change, although the multiple is very high, 20 times 30 times at every turn, but and a large desktop telescope, is two different things...

The kind of small monocular zoom handheld telescope, why not recommend you to choose, if you dismantle a zoom product structure, you will find - I am looking at a zoom sight, the zoom part inside, if the composite lens is counted as two, there are about 7 lenses alone - and in the zoom process, these 7 three-group eyepieces, all fixed by metal lens holders, between these three groups, are distributed according to a strict aluminum alloy track, which is very complex, and if the low-grade product - Especially in the hand-held zoom telescopes that are now popular on the market, the eyepieces are all plastic structures, and there is no accuracy at all, and if the position change between the lenses cannot be strictly maintained with a certain accuracy, then the clarity will be seriously affected. Moreover, it is easy to be damaged.

So, the difference in clarity is not a little bit. If you are interested, it is recommended that the system understand the relevant knowledge introduction.

And if you're talking about monoculars, as I thought, are the kind of big, standard tabletop telescopes with a tripod, that's fine. However, this kind of telescope, the better ones are more expensive.

Of course, there are cheap ones, but too cheap doesn't work very well. I play the price range myself, and the more than 1000 price range, I have 2.

It takes more than 100 times the telescope, and the hand-held monocular and binocular can't reach that level at all, and the so-called binoculars and monoculars on the market are actually 10 times to 15 times and birdwatching scopes are 20 times to 50 times. There was only an astronomical telescope for both heaven and earth.

Hello, 1 km, when the weather is good, you can see that it is a human without a telescope, of course, it is just a point, like this: "So if you want to be accurate, you have to add your question, that is, to what extent does this person see? Can you tell if it's a man or a woman?

Or can you see the face? - Let's say you're asking about seeing faces, that is, who is this person, and at 1 kilometer, you can tell who it is. So your question for this supplement:

Oh, your requirements are not high, but hand-held telescopes, I'm afraid I can't reach it, because hand-held telescopes, magnification is 7 10 times (not the bigger the better, the military handheld is 7 times 8 times), speaking of which, you have to pay attention to this, handheld telescopes are now fake and inferior many, like to claim 20 times, 50 times, 9999 times - all deceitful, what else "Russia" "cherry blossoms" and "infrared night vision" are also common false propaganda of inferior products, you can take a look.

Introduction to the basics.

That is, the hand-held one can give you - under ideal conditions, assuming there is no fog in the air or something, it is equivalent to zooming in to about 120 meters. At this distance, it is more difficult to look at people's faces.

If it is a desktop high-power viewing scope, it can basically meet your requirements, for example, using 25 times, it can shorten the distance to 40 meters, at this time, you can already distinguish the basic difference between men and women, or use 35 times, you can zoom in to about 25 meters, and you can almost see the face clearly at this time.

But it should be noted that because of the atmospheric environment, especially the air near the ground, the air in the city, basically looking at the target at a distance of 5 kilometers - nothing can be seen, just a blank patch.

The use of telescopes, although it is said to shorten the distance, but if the air is not good, it will also condense the fog! The larger the multiplier, the more it should be in a good environment, like 35 times, I told you. Theoretically, you can see it, but in reality, because of the 1 kilometer thick turbid air close to the ground, basically 35 times more used, the effect is very much reduced.

It's not good for looking at the ground. It doesn't matter if you look at the moon, because looking at the sky, the atmosphere above is much cleaner than the air on the ground, and there is very little fog and dust.

The bad ones are a few thousand, and the good ones are tens of thousands ......

Cintron 70400 is more suitable. 3000 meters to see people's faces is a bit mysterious. It's not just the telescope that depends on the telescope, but also the clarity of the air at such a distance. But 1000 meters is definitely fine.

Hello, first of all, this request of yours is a bit excessive. Large military posts (25 times and 40 times) also do not meet this requirement.

First, let's talk about the multiple: even if the viewing telescope is a high-powered tripod, the multiple of its normal use (and can also ensure acceptable clarity) is not up to 80 times (because it is close to the ground, the airflow environment is complex, and there is a lot of fog and dust, and the telescope will magnify these.) ）。

You include astronomical, actually looking at the stars, more than 120 times, and there is little use value. Although the air flow environment can be better when looking at the stars, it will actually be greatly affected.

And hand-held telescopes, regardless of military and civilian, are between 7 and 10 times the regular one.

Let me start with the real multiples.

Second, then say that your request is too exaggerated, 150 meters of things, it seems to be about 2 meters, then this telescope, converted into multiples, at least 75 times - and this multiple to see the ground scenery, will be a mess. Because of the air disturbance, the fog, all amplified. This multiple is very high in astronomy, let alone on the ground.

No way to see it. Unless there is no air or dust on the surface of the earth – this is unrealistic.

3. You take TV movies seriously, you know? In the movie, many times the low-grade or even inferior products with red coating are filmed as "night vision function" - now there is a lot of false propaganda on the Internet, and this kind of thing is called "infrared night vision" - so, you don't expect too much from the movie. A lot of it is the wrong stuff.

In the back, there are some introductions and knowledge of optics that you can take a look at, which should be helpful to you.

Regular telescopes can adjust the focal length - it means adjusting the clarity, not the change factor (the change factor is not good, and it is not common). This is different from the "3x zoom" of digital cameras, so don't confuse it.

10 times, for example, if something is 100 meters, then you use 10 times to look as if it is 10 meters.

Hehe, this effect is still obvious. 10 times, which is basically the highest for a regular handheld telescope.

Zenith is a stubborn guy. Hehe.

In fact, even if it is clearly described, it is difficult to experience it as if it were ... Therefore, if there are conditions, the local convenience is convenient, and it is recommended to find a regular store to actually see and experience it

None of the binoculars can be seen. You need to buy a 300-500 astronomical telescope for viewing and astronomy to see it.

My Xingtlang bird-watching goggles, I can't see the license plate number clearly for a kilometer, it's blurry, and I can't distinguish it.

Generally, *** people are more than just one kilometer away.

Hello, I would like to say here, first of all, ,—— about how far away you can see, this statement is not standard, and most occasions are used by merchants as misleading publicity, and regular products and occasions will not be promoted like this. For example, some so-called "telescopes that can see 1 kilometer" and "telescopes that can see 5 kilometers" - for example: I use my eyes, when the air is very good and clear, I can directly see the moon 300,000 kilometers away, and with a telescope, I can also see the crater above.

However, when the air was dusty, I couldn't even see the traffic lights 200 meters away. In other words, a telescope, in fact, is what it is like - what your eyes can see, it can see, and it magnify for you! It's as simple as that.

And what is the quality of the enlarged picture? What we need to look at is the condition of the external environment such as light and air, and it has nothing to do with the telescope. Of course, the clarity of a telescope with high precision will be better.

You can take a look at these aspects.

In addition, for the use environment you want, to be honest, I am not very optimistic about your use, because you are shooting a kilometer, such a long distance, if you want to shoot a good picture, the requirements for air cleanliness are relatively high. In addition, in my experience, shooting with a digital camera and telescope is generally not as sharp as the eye.

No problem seeing it. But the higher the multiple, the larger and clearer. At least 15 times more.

Can you see 500-meter flying insects with an 8x mirror? 500/8=。Can you see flying insects 60 meters away with the naked eye? Sparrows are a little bit! Don't open your mouth and talk nonsense about distances, have you ever measured? Is there actually 100 meters?

If you want to see a bug, it's only about 1 meter. You need a telescope 1000x. Not on Earth at the moment.

The average person's eyesight level can distinguish objects in 6 7 arc minutes, and in good light, magnification of about 100 times in 7 arc minutes can distinguish 2cm objects (dragonflies, beetles, etc.) at a distance of 1 km, which is equivalent to looking at an object with a size of 1 cm from 5 m away. If you want to see it clearly, you need a larger magnification. The magnification is large, and it must have good lighting conditions.

Hello, looking at your question, I don't know much about the Wuhan Telescope, right? - Actually, the problem itself, let's discuss, if, if a Wuhan telescope can see a bee at 1 kilometer, then - you can imagine that I am afraid that this Wuhan telescope will not be able to fit a few bees in its field of vision. If the field of view is so small that only a few bees the size of a palm can be seen from a kilometer away, how much value does this Wuhan telescope have?

Right. - In this way, let's talk about the system, first of all, let you have a clearer understanding of the Wuhan telescope: First of all, you chose the Wuhan telescope to see the scenery, right?

Well, the range of choices can be narrowed down, but there are still two options, one is to hold the Wuhan telescope, and the other is to view the Wuhan telescope with high magnification (tripod). -1. If you are holding a Wuhan telescope.

Germany's Lake telescope can reach, **15,500 yuan.

Boguan hummingbird 10x42, this is good, Boguan has several series of bird watching are very good, it depends on what you use to see, if you are in Wuhan, you can go to Guqintai Yangtze River Square 28th floor 2804 to see, before going out to travel to buy one, with OK, I just don't know how to maintain a good telescope.

Your requirements seem to be a little too high.

1. Let's talk about this "one kilometer": - 1000 meters distance, if we look at a person with the naked eye, the height of the person is like a Chinese character". You have to use a kind of hand-held telescope to see this clearly."

The size of a person's face - this problem, I specially found an authentic, more than 1,000 military telescopes to experiment, at a distance of 500 meters, can only easily see men and women at the same time, barely see the appearance of a person's face - if you know this person, then you can recognize who he is. This is still at 500 meters.

And to see the details, expressions, and wrinkles of his face clearly, this is something that cannot be done with a telescope in hand.

This is 500 meters,—— you are asking about one kilometer, which is 1000 meters! Makes that clear, right?

2. Let's take a look again, what kind of telescope can achieve the effect you said?

This starts with the question, at what distance can you see a person's face with the naked eye? I'm afraid I guess it's at least 20 meters! From within this distance, we can really observe a person's face carefully.

So, looking at the distance of 1000 meters, how many times does it take to get closer to 20 meters? Theoretically, 50 times. But in my experience, when looking at the scenery on the ground, the image quality starts to drop "very obviously" when it exceeds 30 times, because the air starts to boil, and basically 30 times is not suitable for looking at the ground.

Therefore, your requirements, even with desktop telescopes, are difficult to meet, this is not a matter of money, but we live on the earth, and some things are disturbed by the earth's environment.

3. The above introduces some telescopes and the problem of multiples, but in terms of multiples, it is precisely where many inferior products are used to mislead consumers! So there are a couple of things to highlight:

Now, there are many fake and inferior products on the market, accounting for more than 90% of the market, as well as false propaganda, such as "night vision", "infrared", "high magnification", "military", "Japanese cherry blossoms", "Russia" and so on, it is recommended that you understand the basics.

Particular attention is paid to the issues related to multiples, military, night vision, etc., that is, the introduction of some common false propaganda.

There are too many counterfeit and inferior products, and such products also have a characteristic, they like to use "high magnification" to deceive people, such as "15 times", "20 times", "30 times", "50 times", "999 times" - handheld telescopes, are all deceptive, not even regular products.

4. Dude - when you asked this question - you didn't seem to notice how scary the requirement of "1000 meters to see people's faces clearly" was, hehe.