Many families love to be collected to jointly watch a favorite film. To make this process most comfortable and invented cinemas for home.
Content
And if there is a cinema, then the projector should be. In this review, we will talk about how to choose a suitable projector.
First of all, pay attention to the Creator Company of your chosen model.
The most famous manufacturers of projectors
- Samsung.
- NEC.
- Toshiba.
- LG.
- Hitachi.
Prices for projectors
The cost of the projector for cinema varies over a fairly wide range (from a few hundred to several thousand dollars per unit). What is the reason such a significant variation of price proposals?
The main criteria for the formation of the projector price
lamp Settings
Comparing the proposed models and guessing which projector is better to choose, follow how the lamp fills. You need to give preference to the one that goes softly, it will last longer than that lamp, which goes sharply. Remember also that warranty obligations regarding the service life of the lamp must be fixed separately, because It is counted for consumables.
Next, explore the following parameters:
Middle service life
This value for conventional models is 4-5 thousand hours. However, after 1-2 thousand hours of use, the brightness of the lamp becomes less intense.
Light stream and its range
Luminous flux - denotes the amount of light energy distributed by the light source in all directions. Light flow range is the distance that this energy is transported. Normal parameter - 10-12 m.
Brightness
For comfortable perception of the image in daylight in the light room, give preference to the projector with a brightness of 2500 lumens, in a less lit room - from 1000 lumens, in the dark viewing room - from 750 lumens. It is important to know that the brightness of the light flux in the central region of the image is higher than in its extreme areas.
Contrast
This value shows the highlight ratio of the brightest points of the picture to the illumination of the most dark. In the serviceport it looks like this: 1500: 1 or 3000: 1. But, justice for the sake of, it must be said that this characteristic about what the ordinary buyer says.
Uniformity of light flux
Standard value for the home projector is more than 85%.
Permitting image ability
This characteristic is weighty in its meaning, excellent for different types of projectors.
- Full HD (1920x1080). These are the most expensive projectors providing, at the same time, the highest quality image. The aspect ratio for such parameters of the resolution is 16: 9.
- SVGA (800 × 600) Format 4: 3. Not so expensive.
- XGA (1024 × 768), costs about as much as and, aspect ratio - 4: 3.
Manufacturing technology
DLP.
In this projector, ideal for the house, creating a picture occurs as follows: The light beam passes through a spinning six-color light wheel, reflected from the moving DMD chip mirrors, and reaches the lens lenses. Such a technology is most requested when creating projectors for home theaters, providing reproduction of a clear and contrasting, excellent quality. Speaking about the lack of DLP technology, it should be noted "Rainbow Effect" - a specific visual effect that some people notice. Although, most of the people, after some time, cease to feel this effect. Such a problem is solved by replacing the six-color light wheel on eight and twelve color. True, such a decision is accompanied by a significant increase in the price of goods.
LCD.
The base of this technology is a w / k-matrix that skips through itself a light flux outgoing from the lamp. Reaching the surface of the matrix, the rays of the light stream are reflected from the micro-mirrors. Refracting for, they go to the lens, and after - on the screen. The "minus" of this technology can be called Screen Door Effect - the presence of a distance between the matrix particles, which, with a low resolution, creates a stepped image. In this, the LCD projectors are inferior to DLPs. Although the LCD-row, with samples costing from $ 2,500, equipped with three w / k matrix, and not one, and can guarantee the broadcast of a saturated, bright and clear video.
CRT
CRT (from English. Cathode Ray Tube is an electron beam tube). This technology is based on the presence of three kinescops that project each beam of different colors (green, red and blue). The imposition of these rays and gives a full-color picture, and the combination of these light streams is so problematic that these instruments are now almost not used.
CRT projector work scheme
LCOs.
LCOS (eng. Liquid Crystal On Silicon - liquid crystals on silicon). This technology ranks third in the segment occupied in the market after LCD and DLP. The basic parts of such a projector are: a display with a three-way diagram, produced by LCOS technology, mercury lamp and polarization filter. This technology use reflective matrices, and not translucent, as in LCD technology. Projectors made according to this technology, boast of a reduced screen door effect, lack of flickering and rainbow effect. LCOS chips withstand stronger radiation than DLP and LCD-analogs, because, equipped with a cooling substrate. That is why LCOS technology is so popular in the manufacture of powerful installation translators. Products based on this technology do not use mass popularity, but firmly occupied their niche in the highest quality level sector. These projectors are very popular in a professional environment (digital film projectors for large cinemas, as well as projectors used to visualize the effects of aviation simulators). Dreamvision, Sony, CrystalView, JVC, LG, Canon, Barco - Here are the most famous firms that produce LCOS projectors today.
Laser
Laser projectors are used to make up entertainment show programs and discos using graphic effects. Such products will find use in restaurants, clubs and entertainment centers.
Picoprojectors
These are pocket projectors, magnitude, no more mobile phone, or micro projector built into the gadget. Modern picoprojectors allow you to create a projection with a diagonal size of up to 120 inches. Their brightness reaches up to 300 lumens. Included with mini-projectors made in the form of separate devices, a standard tripod, built-in card reader or flash drive, is often provided. In energy saving purposes, LEDs are used in picoprolectors.
Availability of additional options
- SHIFT LENS. This option allows you to move the picture, depending on the placement of the projector in the hall.
- DVD drive.
- USB ports, etc.
Here it is necessary to soberly appreciate the specific case, and honestly answer for myself on the question: "Do I need this feature in general? Or can I quietly do without it? ". After all, the presence of additional options means unforeseen costs. So why spend money on what you, at all, is not required?
Noise level
Permissible consider the noise level 30-35 dB. Excess this size causes a feeling of discomfort.
Fastening
In any configuration there is a ceiling mount, as well as adjustable headband height. The holder for the ceiling mount will have to be purchased separately, because its presence is not provided in the kit.
A source of uninterrupted nutrition
This device is created to protect the projector lamp from voltage fluctuations in the network and sharp shutdowns. Otherwise, she can overcome. This device is also most likely to be purchased separately.
Short-focus projectors
This decision is a direct answer to such a popular question: "What projector should choose for a small room?"
Projectors of this plan are suitable for demonstration halls with limited space, apply to create a large picture at a small distance from the projector to the screen.
3D Vision Projectors
At the moment, 3D Vision projectors are no longer any luxury objects (about $ 1000). To create a home appointment cinema, the computer must be equipped with a specific video card. Do not do without special stereochkins (more + $ 200). The only drawback is that for mass views you need to stockpenter for all viewers, which pours out "in a penny".
