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You haven't heard of this! But even if you know this brand, you can't say anything. At the very least, you need to know the objective aperture, focal length, refractive or reflective type to make a point.
Because there are many, many kinds of telescopes of one brand. For example, Xingtran has everything from more than 100 yuan to more than 100,000 yuan. How to "point" just by talking about a brand?
Since you "don't understand", why would you like this? I've seen this more general. 60mm diameter 700mm focal length, floor level bracket. It is a beginner entry-level level. Don't know how much it costs? You should be similar to the one in the link below, right?
You can look at people, but they have to be relatively still. Because astronomical telescopes are not like binoculars, they cannot follow suit. So it's best to look inside the window.
It doesn't have to be daytime. At night, as long as the lights are on, it looks very good. Hehe, you're using your brain, right?
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This one. I really haven't heard of this brand of astronomical mirror? Italian? I guess it's a new brand. I think I've played with a variety of brands of telescopes, but I've never heard of this brand, I'm sweating.
The new brand is estimated to be inferior to the quality of domestic boutiques such as Tianluo, Boguan, and Xingtrang, with reliable performance, and the entry-level 60-80mm caliber telescope is within 1,000 yuan, which is mostly acceptable. If you don't particularly like the brand of konus, it is recommended to choose from these domestic brands.
Astronomical telescopes have very high magnifications, so the field of view is relatively small; And most of them are stargazing, there are no prisms in the mirror, and the imaging is an "inverted image", so it is not suitable for looking at people. However, there is a kind of viewing mirror that is a positive image, and the magnification is not too high, and it can be used to see people, ** in hundreds of yuan and thousands of yuan.
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I don't understand this brand!
Most of the beginners in China are buying Tianluo or Xingtlang.
You can see the scenery during the day, and it will be more comfortable to see the scenery with refraction.
Astronomical telescopes can be found here.
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Telescopes are cheap, hundreds are cheap, and thousands are expensive.
To put it simply, the astronomical telescope cannot see near objects, to see the moon, first aim at the moon with the + word in the scope, and then look from the eyepiece, then you also need to fine-tune the direction of the telescope with both hands, and after seeing the light spot, you can see the clear moon by fine-tuning the focal length on the eyepiece.
The objects seen by the astronomical telescope are far away, and the rotation of the earth needs to be tracked at any time. If you want to take a long time, you will spend more time on electricity when installing the tripod, according to the manual, check the latitude of the location, find out the North Star, and install the tripod accurately, ** It will be much better, of course, if it is with automatic tracking, this step is more needed.
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I'll talk to you about it.
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Sirius TQ5-153DS Devourer 3 11800 Main Parameters.
How it works: Refractive magnification...
Focal length: (f 5) 750mm objective lens: 153mm resolution:
Arc second light gathering power: 459 Limit magnitude: eyepiece:
PL25mm (Concealed. Tripod: Reinforced Column Bracket Finderscope:
6 30 Other parameters of the finderscope: extender: 3
Jinghua Daguan three-chip ED102 700 refraction 8790 main parameters.
Working principle: three-piece fluorite apo....Focal length:
700mm focal ratio: f 7 objective: 102mm finder:
8 50c is like dark. Other parameters: Model:
maxvisio...
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1w yuan, I feel that the landlord prefers visual vision, then I recommend the German TMB80, the world's top refracting telescope. You don't have to think about upgrading later.
If you like photography, then Takahashi, Japan, but it's much more expensive, fsq106,
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Meteor showers can't be seen with telescopes, because meteors are gone in the blink of an eye, you don't have that time to focus at all, it's better to see with the naked eye, and meteor showers are just fireballs, no more details.
To measure the significance, it is necessary to consider the harm of fire meteors to the earth.
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In the owner's **, an additional component image mirror has been added, which makes the light path complicated. And ** is indeed not very good at drawing, although I understand the principle of orthographic mirror, but to be honest, I don't see a reason for it.
Let's go back to the basics and take a look at the optical path of the most basic telescope:
From this diagram, it is clear what the focus of the telescope is. Moreover, if you have not forgotten the content of junior high school physics about optics, it should be easy to understand. In actual use, considering the difficulty of lens manufacturing, convex lenses are far better than concave lenses, so among popular telescopes, the Galileo type is more common (**Winning the bid is reversed......The one below is the Galilean type).
I believe that the telescope purchased by the landlord must also be of the Galilean type, so his focus is on a small point (about a few centimeters) in front of the eyepiece.
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For entry-level astronomical telescopes, the Centron 90EQ (refractive type) and 130EQ (reflective type) are both good choices.
90EQ This can see the crater on the surface of the moon, can see Saturn, Jupiter, Jupiter moons, etc., can also view, can see the trademark of one or two kilometers of air conditioning, this basic configuration is very good, the imaging effect is also great, ** at about 1590 yuan.
130EQ can see the craters on the surface of the moon, Saturn's rings, Jupiter, Jupiter's cloud belts, Jupiter's moons, etc., and 130EQ is basically a civilian astronomical telescope that can shoot nebulae with the lowest aperture requirements after being connected to the camera. **Around 1550 RMB. The relative aperture of 130EQ is large, and the observation field is large.
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A Boguan 70 900, according to incomplete statistics, the current domestic entry-level sales of the largest mirror. (70 refers to the number of millimeters of the clear aperture of the objective, and 900 refers to the focal length of the objective lens is 900 mm). The advantage is that it is cheap (don't buy a mirror that is cheaper than this, a bad mirror will obviously distort the otherwise good world).
**The price is around 700 900, and some small accessories are also included. Looking at the lunar craters, a few of the brighter planets of the solar system are still okay. As for seeing clearly...
2. Dongxing 80 900, compared to the first aperture, so the ability to concentrate light is strong, and more details can be seen in theory. All-metal construction (stronger so that it doesn't sway from side to side by the wind) with PL eyepieces for better observation. The list price with EQ4 equatorial mount is 1530 yuan.
Three Star Astromaster 90EQ I use this mirror, the overall appearance is not bad, American brand, domestic production. It is larger than the above two mirrors, and it is indeed clear to see, and it is always in the right image (some of the heavenly visions are up and down, left and right), so it is also suitable for ground observation. From my home in the suburbs, I can see the Air Force radar antenna and the house on the top of the hill 8 kilometers away...
Disadvantages: too large and not conducive to carrying. The one-meter-two-long lens barrel and the weight of more than 20 catties make it always at home since it was bought.
**The price is 2780 yuan, and the seller will have a small discount when actually buying.
--The above three types are refractors, which have the advantages of easy use and maintenance for beginners. --
If you are not satisfied with these kinds of mirrors, choose reflectors:
MAXVISION N114 900-EQ is a Newtonian reflector, which is cheap, lightweight and portable. The disadvantage is that there is a coma, and there will be distortion around the edges when observing. It can have a larger aperture than a refractor under the same **, but you have to put up with the fact that the mirror is returned to the manufacturer every 4 5 years for mirror polishing and polishing - trouble!!
**About 1400 yuan.
Two Orion127 1500 Marka Astronomical Telescope (full set) is another American brand, domestic OEM. The quality is still very good. About 2800 yuan.
These are my selection of introductory mirrors within 3000, which are still a good choice for us beginners to understand the general movement of celestial bodies and the rotation of the earth.
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The multiples are large, you can see far and clearly, and you can buy an imported one with quality.
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To be honest, astronomical telescopes are not very good for a few hundred yuan, and it is even worse if they are less than 500 yuan, and the entry level should be at least 80eq (caliber 80mm, equatorial ceremony) or more, ** at more than 750 yuan, with an equatorial mount. Those below 500 yuan are generally warp and weft, which is inconvenient to find and track celestial bodies, and the caliber is small, the workmanship is poor, and it is basically boring! It is recommended to invest a large amount at one time so as not to regret it later!
This was taken with my 110mm telescope! For your reference!
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A more common entry-level mirror model.
1.Phoenix F60900 F60700 F50700 **Around 120-150 pieces.
Advantages: **Low cost can meet the needs of general astronomical hobbies! It is the most basic mirror! Of course, the workmanship is average.
2.Sky Wolf. 60dt Sky Wolf Artist and more! **Around 500 painters.
60dt is an entry-level mirror, and of course the workmanship is a little better than that of the Phoenix.
3.Cintron.
60az 80eq 90eq 127eq 130eq c9 c10 etc.
**: 60AZ 500, 80EQ 900, 90EQ 1500, 127EQ 900, 130EQ 1200 or so.
It should be noted here that 60AZ is a horizon refractory mirror, EQ refers to the equatorial ritual refractory mirror, and 127 and 130 are reflective mirrors.
The C9 C10 series is a relatively high-end mirror! (I won't describe it here).
4 Bo Guan. Common 60900, 70eq, 80eq, 150750 binoculars, etc.
**500 900 1500
Twin tube 7x50 10x50 etc **Around 300 pieces.
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It is recommended that the landlord save another 300 yuan and buy an entry-level artifact 80eq. These telescopes are actually much the same, but compared with him and Chun, the biggest feature of the 80EQ is that it is equipped with an EQ1 equatorial mount, which is of great help to exercise the basic operation.
P.S. Personally, it is strongly not recommended for novices who do not know the constellations to rush to get a telescope.
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It's all the same! Entry-level! Take your pick!
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Hello! More than 200 is not recommended to buy astronomical telescopes, because buying astronomical telescopes at this price can only be bought from stalls. More than 200 suggested buying a pair of binoculars, which can also see the lunar crater.
Hello Beginners mostly choose refraction and maca reflection is not recommended to use Sky Wolf Sailing, Xingtron 80eq, Boguan 80, Boguan Marca, Xinda 80, Xinda Marca are all great Beginners are very practical! I've been playing with equipment for a long time, and it's been one step at a time, and my first astronomical telescope was the Changge of the Celestial Wolf.
The pole is an equatorial mount.
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