Despite being older in technology, slide projectors have advantages of their own.
The slide projector is an older piece of technology which is used to project photographs or illustrations onto a large screen for groups of people to view at once. While televisions and computer projectors are more often used for presentations to large groups of people today, slide projectors are still useful devices that have many advantages.
Inexpensive to Use
As slide projectors are considered a relatively old type of technology to use for presentations, they are inexpensive to rent or to purchase outright. The slides which are inserted into the slide projectors are also relatively inexpensive to get developed at ten to twenty-five cents per continuous color tone slide. For someone who does not have a large budget but needs a projector for a celebration, presentation or class should consider investing in slides and a slide projector.
Better Quality
As slides are basically photo negatives which are displayed in a cardboard boarder, they have a crisper and higher quality of image than those of the costlier digital projectors. These higher quality photos or images will give a better experience to the audience due to the crispness of each of the slides. The quality also depends on the model of slide projector, as those with stronger bulbs will display a better projection than those with weaker bulbs which may not be able to handle as much light.
Focus of Attention
A good presenter who is using a slide projector can use the projector to focus the audience's attention on himself or on the images. High-quality, crisp images can be clicked through on the slide projector while the presenter talks over them, narrating what the audience is seeing. A blank slide can then be thrown in so that the audience is not distracted and refocuses their attention on the presenter. With proper timing and practice from the presenter, the slide projector can be used to effectively guide people through different aspects of the presentation.
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