Projector is a media equipment that zooms in a picture for a bigger output
and projects it to a screen. The standard projector’s picture resolution is
800 by 600 pixels. These machines weigh 4 to 6 pounds on the average. Most
of these types of equipment is retractable and can be placed on a bag for
easier carrying. The brightness of the projector varies as well as their
contrast level. The range of brightness is 1300 to 1500 lumens. The
projectors as of these moments are used as domestic projectors at home.
Projectors come in handy in large gatherings needing some sort of visual
presentation. The projected enlarged images make it very easy even for
those people far from the screen to see clearly what is being illustrated.
The very common projectors used widely in schools, homes and offices are
the video, LDC and DLP projectors. They differ basically in the type of
screen. Projectors are composed of different types. The most common ones
are a desktop, overhead, slide, home theater, installation and opaque
Desktop projectors are handy and portable. It is small that it can fit your
desktop. It is complete with pertinent features of a good quality projector
despite its portable size. The lenses are easy to change anytime you want.
It is capable of zooming images at high resolutions. When you wish to buy
one, it will be very useful to choose a model with high audio definition
An overhead projector is popularly used at home and in offices. These are
used in the presentation of reports or subject discussion. The slides used
in this projector are a transparent slide.
Slide projectors are the very popular among all types of projectors. This
has been used for many decades now. These projectors projects photographic
slides. There were latest version of this type of projector that comes with
pop-up screen that makes viewing instant and portable.
Home theater projectors are digital units which can be used to connect to
any audiovisual units. These are very portable for your home use. This
projector comes in a set with S-video, connectors and speakers. The
speakers are both component and built in. It gives a feeling of watching a
movie in the public theaters right in the comforts of your homes.
Installation projectors are used for a large venue. Any images can be
projected up to 25 ft with this kind of projectors. These projectors are
used in conference halls, auditoriums and museums. Installation projectors
have very high zooming capabilities, interchangeable lens capabilities,
high resolution reproduction, a quiet cooling fan, convenient tilting
features, onscreen display, quality stereo speakers, a remote control, and
Opaque projectors are considered the oldest type. This device is very
helpful to an artist. It projects a silhouetted image to a screen where the
artist can trace the outline onto his canvas.
The zoopraxiscope is the very first form of projector that came out in the
market. After this, many different forms have been produced up to the time
where latest technologies have come out. Newer technologies enabled the
production of portable and handy projecting devices.
Projectors have been a big help in schools and businesses. Lectures and
business presentations have been given a newer and brighter color.
Projectors help make more animated presentations that keep the audience
attuned to what is going on. Giving visual presentations have been made
very much easier and livelier. Home viewing took a notch higher that rivals
public viewing in the theaters.
Multimedia presentations can be done by lightweight projectors. All
government agencies can have easy briefing and information presentation
through the projector. Even the church authorities have used the projectors
for conveying the word of the Lord. Projectors have really important uses
in our day to day life.
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