A projector is mainly for projecting images on different surfaces. Generally, a projector screen or a white painted wall is used for this purpose. A projector is the most significant optical device beneficial for offices, colleges, homes etc.
Advantages of Having Projectors in Home
Now there are so many online streaming platforms presenting different shows. During the pandemic situation, everybody avoids watching the film in theatres. And prefer watching movies on online platforms. So here, the projector and projection screen are significant and are very comfortable watching shows and movies in one’s personal space.
- The screen size of the projector is enormous compared to the television. So one can watch the shows with extra clarity. The projector is apt for any surface where television is not. And also, the user can customise the size of the screen based on their needs. This means, can increase the size and decrease. But in television, one has no choice to vary the proportions.
- It helps to construct larger images and provides a theatre-like experience. It helps to improve eye health. Watching movies on TV, the user wants to give much more concentration. That will increase the stress level of the eye. Watching large images reduces the fatigue of the eye. So the projectors help to improve eye comfort than television. And one of the crucial problems for the eyelet depends on the distance between the viewer and the Tv. So here, the distance between both is substantial and won’t come to an issue like that. Also, the reflected light from the projector screen is not so harmful to the eye.
- They are portable and light in weight. So that will be helpful for effective transportation. Also, watching shows with the entire family on a projector screenis the best for enjoying.
- The projector and project screen costs are almost the same as a television. But more than that, it will provide the best cost-benefit ratio.
Projectors have an appreciable role in classrooms. Describing a topic without pictures is more complex for children to understand. Adopting projectors decreases this complexity and helps to understand the lesson very well. According to the survey report, almost all the schools in Australia have more than two projectors for their students.
Features That Are Significant for a Projector
- Brightness: Brightness is a prominent feature that every projector must have. The brightness of the screen is proportional to the clarity. So it helps to view the images with all of their effects.
- Colour: The clarity of colour has a considerable role in presenting images.
- Resolution: Resolution is proportional to the number of vertical and horizontal pixels.
Apart from all these, the modern projectors offer high definition images and other capabilities like wireless connectivity. And now, some projectors available in the market have split-screen properties. It is helpful to show multiple images simultaneously.
Based on the display function, the projector can be classified into three.#
Cathode Ray Tube
These projectors are large in size and weight. It has three light guns; they are red, green and blue. Due to this, their electric consumption is high. It provides an outstanding quality for pictures. These are not portable. The CRT tube used in this provides an extra brightness image. Generally, it is for a video projecting device.
Digital Light Processing
It is generally used for back and front projections. The back-projection is especially for televisions and the front for different offices and classrooms.
Liquid Crystal Display
These displays are generally used in smart devices like phones, laptops etc.
Projectors of different sizes are available in the market. The cost nearly depends on the size. And the installation is also easy, no need for skilled labours.