Why Digital Slr Camera Are Considered Superior To Other Cameras
Digital SLR cameras have gained a lot of popularity in the recent past because of
their capability to capture quick actions and to bring out clear photos. They are also abbreviated as DSLR cameras. DSLR simply means Digital Single Lens Reflex. These cameras are so named because they use a mirror that is positioned at the rear of camera lens so that light can be directed towards the viewfinder when a photo is being composed.
After the release of the shutter, the mirror will swing upwards quickly thus allowing light from the camera lens to travel up to the sensor thus for very short duration causing black out of the view finder. The viewfinder in digital SLR cameras incorporates pentaprism which has the main purpose of flipping round the incoming image such that it can be seen side up and then bounces it up to b the focusing screen from where it can be seen.
The single lens reflex design of these cameras makes every single unit to be capable of accommodating various lengths of the focal lens. This is the reason why digital SLR cameras are the most persevered in serious photography like that of military, investigations, spying and journalism.
The explanation for this is that with a camera that is not single lens reflex, the photographer has to match the view angle of the taking and the viewing lenses. This is usually not very hard with shortrange zoom or fixed lens but one is forced to acquire expensive and complicated viewfinder mechanisms while trying to cover focal lengths in wider range. With the digital SLR cameras, you cannot encounter this problem since the lenses of taking and viewing are one and same; it is the reason why the cameras are referred to as Single Lens Reflex (SLR).
Most of the models of these cameras that are beyond the entry level incorporate what is referred to as the Live View Node. This is function that allows photographers to Liquid Crystal Display (LCD) in order to compose the shots in the very same way that they can do by use of the snapshot cameras.
Most cameras work by locking up the mirror while the prism diverts the image in to the sensor which then feeds through up to the Liquid Crystal Display (LCD) instead of capturing the sensor. However, this in most cases hurts the performance.
The early versions of the digital SLR cameras required the photographer to do the focusing in manual way when at the Live View Mode. The modern versions use the contrast autofocus that has effectively eliminated this problem.
There are various models of SLR cameras from different camera manufacturers. These cameras have common SLR features but they differ in some specifications. These cameras are also of different types; there are the full system interchangeable lens, fixed lens, SLR-style and the interchangeable lens cameras.
There are thousands of articles on the website about every type and model of digital SLR cameras. You should read various articles by different authors in order to get the basic information about every camera. Also ensure that you read about the pros and cons of each device.