subject: Brief Information on Slide Projector [print this page] Brief Information on Slide Projector Brief Information on Slide Projector
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.
