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Projectors many buyers have a clear idea of why they need a projector, but at the same time they are quite misguided in the technical characteristics of the device, so choosing the right model can be a rather difficult task. There are many different models on the market some cost hundreds of thousands and each has its own characteristics. However, it should be remembered that the quality of the "picture" is also largely influenced by the environment of the room in which the device will be installed, each of which requires an individual approach.
Projectors depending on the orientation of the lens, there are different types of modern multimedia projectors: portable projectors and special models for presentations, home or large cinemas. But to be fair, we have to admit that this division is pretty arbitrary and you should pay attention to the technical characteristics and supported resolution of each individual model.
One of the first things a buyer will notice is that projectors are based on one of three main technologies: LCD, DLP, and LCoS. In the first version, the device is equipped with three LCD panels (one for red, green and blue) that deliver bright and saturated colors. DLP technology creates an image through a matrix made up of many rapidly changing micro mirrors (one for each pixel) so that you can create a contact image. The most advanced and expensive technology is which offers high clarity and excellent color reproduction while at the same time individual pixels in the image are practically invisible.
Projectors when choosing a monitor or television, resolution is an important parameter for any projector. The higher it is, the more detailed and qualitative the "picture" is. However, the optimal value depends on the direction of the device. So if you need a projector for presentations or training, the resolutions of 800 x 600, 1024 x 768 or 1280 x 800 are sufficient when more advanced models are needed for home theater that can provide resolutions of 480p, 570p, 720p, 1080i, 1080p.
Another important parameter is the maximum brightness. Models with a brightness of up to 1000 lumens are therefore relatively cheap and can only be used in very dark rooms the most popular offers for 1000-2000 lumens.
Projectors among other parameters that you should pay attention to: maximum minimum screen diagonal and projection distance (depending on the room in which the device will be installed), resource of the backlight (average value at least 2000 hours), noise level (usually around 35 dB), a range of "video inputs" (HDMI, component, RCA, S-video, etc.) and analog / digital tuners, a mounting method, as well as a unique set of additional features typically used by manufacturers equipping their equipment. . The latter does not necessarily affect image quality, but it can provide additional convenience or improve device functionality.