Nowadays, a long with the development of the technology, many types of
projector are available in the market. Slide projector is one among many
popular device preferred by many users, especially if they need to view
photographic slides. Surely, there are still many more advantages and
efficiency that you can get from this certain device. By reading this
article, you will get more information about this kind of projector well.
As it is previously stated, this is a certain projector that is used to
project photographic slideshow. It is generally consist of four main parts.
They are light source such as fan-cooled electric bulb, a reflector and
condensing lens, a holder, as well as a focusing lens. Reflector and
condensing lens function to direct the light. Meanwhile, the holder will be
perfect to support the slide well.
Slide projector is also divided into several different types. The first
type is Carousel slide projector. It is completed with circular trays that
consist of 20 to 140 slide holders. It is also completed with a stepper
motor that functions to rotate the trays. Then, another parallel system
drops each of the slides in front of the bulb and projects them. Mostly,
the trays are available in horizontal position, but you also can find some
products that come with upright trays.
The second type will be dual slide projector. This device has inner and
outer ring that build up some holder trays. Each of the rings could be
independently put in and also could be locked together. You can put in two
or more slides in this projector and project them continuously.
Third, you will also find single slide projector in the market. This
product is only completed with a holder slot built into a compact case. In
this care, you will also find the bulb and lenses. Single projector could
only project a slide at a time, you have to remove and load the slide
manually. The slides are designed in compact design so you can easily carry
them anywhere easily.
Other than those three types, you can also find slide projector in some
other types such as slide cube and stereo slide projector. Slide cub
projector allows you to stack the slides uniformly on one top of other.
Meanwhile, the stereo slide one allows you to project two images at a time.
With that basic information, you can find the best type of slide projectors
available in the market once you need to buy this device. Therefore, you
will not take a product in a wrong choice.
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