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Professional projector LH660 by the company BenQ, with Full HD resolution (1080p) and image diagonal ranging in the range 70 - 120". This size depends on the distance the projector is placed in relation to the projection surface. The throw ratio, or projection distance ratio, indicates the width of the image produced by the projector when placed at a... See full description
Professional projector LH660 by the company BenQ, with Full HD resolution (1080p) and image diagonal ranging in the range 70 - 120". This size depends on the distance the projector is placed in relation to the projection surface. The throw ratio, or projection distance ratio, indicates the width of the image produced by the projector when placed at a specific distance from the screen. For example, a throw ratio of 1.3:1 means that the image will be 1 meter wide when the projector is placed 1.3 meters away from the screen.
The projection technology is the way the projector's lamp light is converted into an image to be projected through the lens onto a surface. This one is DLP (DMD) technology and its lamp is LED type, which has a longer lifespan but lower brightness than regular lamps, with good color performance.
This technology is named after the initials of the words Digital Light Processing, it is the most widespread projection technology, and there are projectors with one or three DLP chips. The image is created when the projector lamp light passes through a rotating color wheel and is reflected by a chip with hundreds of thousands of tiny mirrors, each corresponding to a pixel. This chip is called DMD (Digital Micromirror Device). They are suitable for spaces with plenty of lighting, such as classrooms or conference rooms, and have good color performance.
Brightness is a very important feature that is taken into account, in combination with the projection distance and the maximum diagonal you want to achieve, for the selection of a projector. This one has a brightness of 4600 Lumens which indicates how much light the projector can deliver on a specific surface size. The general rule suggests that "brighter" projectors are preferred in rooms with plenty of light or several light sources, while "darker" ones are preferred in dark rooms.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.