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Contact, Philips, Sharp, HP are all available.
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High brightness, high resolution, very simple to use, **preferential, after-sales, projector is very suitable for home use, a projector of several hundred yuan is also reliable, and it is also very good.
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I think a projector with particularly clear picture quality is suitable for use inside; It is very reliable, a projector of several hundred yuan can also be used, and the quality is also very good.
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I think it's relatively small, for example, the Sony brand is very good, suitable for home use; I think it's still more reliable.
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Summary. Dear, I'm glad to answer for you. <>
<> kiss and you can kiss both! It mainly depends on what you are using it for! A projector is a device that is connected directly to a computer and can convert the signal directly to the screen.
Nowadays, there are two technologies for projectors, one is that LCD (i.e., liquid crystal projector) is imaged with three liquid crystal panels. The principle is that the bulb emits light, the signal is loaded onto the liquid crystal, and the light passes through the liquid crystal for imagery. Another technology is called DLP (digital projector), which relies on the principle of DMD digital micromirror disarmament and rendering.
Is it better to buy a projector or a projector?
Dear, I'm glad to answer for you. <>
<> kiss and you can kiss both! It mainly depends on what you are using it for! A projector is a device that connects directly to a computer and can convert the signal directly into a screen for slag.
Nowadays, there are two technologies for projectors, one is that LCD (i.e., liquid crystal projector) is imaged with three liquid crystal panels. The principle is that the bulb emits light, and the signal is dispersed to the liquid crystal panel, and the light passes through the liquid crystal for visualization. Another technology is called DLP (digital projector), which relies on the principle of DMD digital micromirror disarmament and rendering.
The projector is a teaching instrument for the light bulb to shine through the film that has been made and made for imagery. The technique is simple. The cost is very low, similar to a film projector. Only carry a lamp, a light channel, and a lens to make a projector.
Office those use projectors, home projectors, my choice is like this, it mainly depends on how you choose your own pro
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Projectors are mainly divided into two categories:Intelligent micro-projection and traditional bulb machine,The well-known brands of the former mainly include dangbei、Polar meter、Nuts,The latter brand has BenQ、Epson、Acer, etc。
What are the brands of projectors.
Projectors are mainly divided into two categories: smart micro-projection and traditional bulb machines. The well-known brands of the former mainly include dangbei、Jimi、Nuts、Mijia、Fengmi, etc.,The size of this type of projector is relatively small,Built-in operating system,It is more convenient to use。
The latter brands include BenQ, Epson, Acer, etc., the brightness and color of this type of projector are better, and the screen size can be scaled through optical zoom.
Extended content: The difference between the two has always been a controversial issue, because of the problem of display technology, both have their own advantages and disadvantages, so you should choose according to your own needs.
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Generally, the more expensive the better, the brand, BenQ, ViewSonic , Lixun, Optoma. Either way!
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Sony, Sharp, BenQ, Ricoh.
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XGIMI, comfortable to watch movies, free 2D to 3D
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If you watch a movie, introduce XGIMI.
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According to industry insiders, according to the price of the product, the projector products on the market are divided into 3 sections: products above 50,000 yuan are mainly for the high-end market, 30,000 yuan to 50,000 yuan of products are mainly for mid-end applications, and products within 30,000 yuan are for the low-end market.
One of the most important indicators of a projector is the luminous flux. The higher the number of lumens, the brighter it is, and generally speaking, the luminous flux is above 600 lumens, so there is no need to turn off the lights when projecting. If you reach a brightness of 1,200 lumens, you can see the projection clearly in a well-lit or sunny meeting room.
Another important metric is contrast. When the projector has a high contrast, the projected picture will be sharper and the color will be more saturated; On the contrary, when the contrast ratio is low, the picture will appear more muddy and lack a three-dimensional effect. Two other very important indicators of the projector are resolution (resolution) and uniformity,The higher the uniformity,The higher the consistency of the picture from ** to the edge brightness; If the uniformity is low, the picture will look bright.
Industry experts pointed out that when purchasing a projector, the following 4 aspects should be considered: First, the category should be determined according to the use. Before purchasing a projector, users should first sort out their actual needs, and decide the grade of the purchased projector according to the content to be projected.
Second, indicators should be determined based on the environment. The user should determine the technical indicators of the projector before purchasing according to the different places where the projector is used, and the mobility should be considered according to the use situation to determine the weight range of the required product. Then frame the brightness of the projector according to the size of the use environment, the external light situation and the size of the desired projection screen.
Third, it is necessary to narrow down the scope according to the cost. When purchasing products, users also need to consider the cost of using the projector, because the purchase cost of the projector not only includes the price of the single machine, but also the replacement cost of wearing parts.
Finally, choose a brand based on the service. Projector products are a kind of precision optoelectronic equipment, in the process of use need long-term maintenance, once there is a failure, the maintenance cost is quite expensive, in order to ensure that the projector in use less problems, problems can be solved in a timely manner, reduce user losses, users must do a detailed investigation of the after-sales service provided by the product before purchasing the projector, choose a brand with good market reputation and good after-sales service.
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Japan's Panasonic, Epson, Ricoh, Taiwan's Acer, BenQ. Lumens above 2500 lumens, resolution of 1024x768, ** in 3000 lumens. When choosing a projector, you also need to pay attention to the following.
Lumens, resolution, lamp hours, interfaces, what are the functions of the interface, and whether you need these interfaces and functions. Dust resistance and heat dissipation are the same, whether it is easy to replace the filter and light bulb. For example, an 800x600 resolution projector needs a distance of more than 3 meters to more than 4 meters to put 100 inches, and a 1024x768 resolution of more than 2 meters to more than 3 meters can be placed at a distance of more than 100 inches.
Some short-throw projectors can hit up to 80 inches per meter. This is what all projectors have. There are also some features that are unique to some projector brands, each with some features that are exclusive to each other.
You see if these features are useful to you, and there are some bells and whistles that are used to make new terms that are not really useful. Hopefully, you've chosen a projector that's both cheap and right for you.
1. Resolution.
There are three resolutions: addressable resolution, RGB resolution, and ** resolution. For CRT projectors, addressable resolution refers to the highest pixel that can be resolved by the projection tube, which is mainly determined by the focusing performance of the projection tube, and is an important parameter of the projection tube quality index. >>>More
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I'll solve this problem for you,450It's 14 inches,550 is inches,Except for the difference in the screen, the other configurations are basically the same,15Inch larger heat dissipation may be better,But it's not easy to carry,But it's cool to play games,You may want to choose a convenient one to carry in your sophomore year,You can choose according to personal preference。 I'm in Ningbo, I want to buy a 550, so I often go to the Ningbo market, 550 PSE is now about 6900 (cut **), Pei is about 8100 (cut), it is recommended to buy PSE, Pei's P8600 is chicken ribs, PSE is enough for you, or buy tens of thousands. Y550 PSE CPU P7450 Graphics GT130 DDR3, Memory DR3, 2G . >>>More
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