Projector

A projector is a device that integrates a light source, an optical system, electronics and a screened with the aim of projecting an image from a computer or video device to a wall or screen for a big image.

The system consists of a lamp, a capacitor, an electric fan, a portadiapositivas and a goal. You can also have a store or car for loading and rapid change, a remote control and sometimes even a programming system of projection.

Increasingly, auto focus, which in the case of headlamps detected swelling due to the heat of the slide and corrects the focus to compensate. In more modern designs do not even have to focus at the beginning of the meeting projection, as they have a mechanism for automatic comprehensive approach similar to the cameras.

Most are designed to project 35mm slides mounted Marquitos 5 x 5 cm. There are hundreds of products available in the market and all have different resolutions, behaviors and characteristics. These devices can be connected to the computer or video device as if connected a monitor.

There are also projectors for the formats 110, 126 and 6 x 6 cm, and some also accept 35mm formats minors. Almost all be used to project into a darkened, though there are portable models that project the image on a small screen visible also in a place illuminated.