A Camera : Factual Description of Things Essays in English for Students Exams.
A Camera is a piece of equipment that is used for taking photographs or films, moving pictures or television pictures. It consists of a black box with flexible sides of leather. There is a double convex lens in its front and a ground glass screen at its back. The lens can be adjusted according to the distance of the object to be photographed.
At its top, there is a push button connected with the shutter. The shutter is used for exposure. The time exposure depends on the intensity of light. Some cameras are fitted with flashlights. A flashlight is a device containing a flashbulb that you use with a camera to take photographs indoors, in the dim light.
While taking a photograph you remove the cover of the lens and adjust the lens. Then you press the push bottom at the top. The shutter opens and allows exposure of the sensitive film to the rays of light coming from the object to be photographed. The image is recorded on the film instantly. The film is then taken out and sent for developing and fixing. This is the negative. You can prepare many photographs from this negative.