Basic Functions Of A Digital Camera Photography may be referred too as being the process of creating moving or still pictures by means of capturing live data by observing radiations and storing it to sensitive medium similar to electronic sensors or electromagnetic film. The camera is an image forming device while the photographic film or electronic image sensors serves as its recording medium. In this modern time, digital cameras have electronic medium that function as storing medium. The idea behind camera is, it controls the amount of light and the time exposure of the camera to the outer world by using a lens. When there’s enough light, then we can generate an image on the film. The raw image can be developed to get real time original image. Movie camera is another type of camera which is the total movements are captured and not just the stills. The basic concept behind movie camera is that, the data are captured in series of photos without any delays in between them. For this reason, it is able to create a moving frame that’s captured with the voice. We need to be certain that we’re adjusting the camera either automatically or manually to be sure that we’re going to get a clear and sharp photograph. Following are some camera controls along with its descriptions.
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Number 1. Focus – this is an important adjustment made to bring the desired part or desired area to the sharpest point possible. Usually, this is done manually but this can be done automatically as well especially in latest models of digital cameras.
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Number 2. Aperture – this may be referred to as adjustments of iris or otherwise known as the “f” number. This number is usually controlling the amount of light that’s going to pass through the camera’s lens. The aperture is also known to make effect on the depth of field and focus. Number 3. Shutter speed – this controls the speed of the shutter which it is closing and opening are referred as shutter speed. This is done in milliseconds most of the time which is also the same time that imaging medium and light are exposed to storing medium. Number 4. White balance – this is actually a special feature in digital camera that are being used to guarantee that white light is captured as it’s in real medium so colors in imaging area look natural. Number 5.Metering – this is basically measuring the amount of exposure of light and done manually in an effort to ensure that bright light as well as shadow regions too are captured based on the preferences of the photographer.