What are the presentation projectors?
presentation projectors are projectors that are often connected to a computer for use with presentations. While presentation projectors can also display other things such as video games or movies, there are specific things that can be examined when considering the projector for presentations. Although these projectors have become significantly cheaper in recent years, they are still an important investment.
There are two basic types of presentation projectors, DLP and LCD. LCD projectors divided the light into three different colors, which are then directed through panels. As soon as this happens, the computer directs the panel, how much light to pass and thus creating a color image. The DLP projector uses small mirrors to change the light and color wheel to produce different colors.
LCD presentation projectors have a number of advantages and disadvantages. They have very rich and vibrant colors, have less power tension and produce more heat than other types. However, also do not show black colors, have worse contrast and generally NedThey do so well to show the video. They have good contrast, produce better black colors, do better video work and are generally smaller than their LCD counterparts. In the surrounding light, however, they are not doing well, which can change when considering the projector for presentation. If you are expected to make notes on the presentation, the ambient light will be needed.
No matter what type of projector is selected, lumens or how many light projectors it produces, it will be a serious aspect. Those who produce 1200 lumens or less are generally recommended if no surrounding light is allowed. Those between 1200 and 1,500 lumens are good for situations where some ambient light Ana can be more than 1,500 lumens should still be perceived adequately in almost normal room lighting conditions.
The price of presentation projectors varies greatly depending on technology and on what are includedUTY Other features. It is possible to find new projectors with more than 2,000 lumens for less than $ 500 in USD (USD). They can also cost more than $ 2,000. There is a very small difference between LCD and DLP.
In addition to the projector, a number of other presentation supplies will probably also be needed. You will need a type of projector screen, whether portable or permanent. Some also need a laser indicator. These supply offices generally cost much less than the projector, although the screens can also be quite expensive, depending on the size, model and features.