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Transcript of digital camera
Today Digital Camera Parts and Functions
How does it Works? Advantage and Disadvantage Parts and Functions CAMERA OBSCURA - 1490
Leonardo da Vinci wrote the first detailed description of camera obscura in his Atlantic Codex, a 1,286 page collection of drawings and writings. digitize the captured
scene store the digital info on
a standard cassette capture images using
a CCD imager It took 23 seconds to record the digitized image to the cassette. The image was viewed by removing the cassette from the camera and placing it in a custom playback device. This playback device incorporated a cassette reader and a specially built frame store. This custom frame store received the data from the tape, interpolated the 100 captured lines to 400 lines, and generated a standard NTSC video signal, which was then sent to a television set. First Digital Camera Today Digital Cameras
DSLR cameras: In contrast to point-and-shoot cameras, DSLR cameras have optical viewfinders, removable lenses, external flashes, and the ability to focus and to adjust exposure manually when needed. A camera that stores images and videos digitally rather than recording them on film. Once a picture has been taken, it can be downloaded to a computer system, and then manipulated with a graphics program and printed. What is Digital Camera? Digital cameras, similar to conventional cameras,
are available in point-and-shoot and digital single
lens reflex (DSLR) models. Point-and-shoot cameras: These cameras are small, inexpensive, and easy to use because they contain fixed lenses and a built-in flash. DSLR Camera Parts and Functions Better Image Sensors- Image sensor is like the retina of an eye.
Better focus and Metering
Accesorries Aperture - It controls the width of the opening that lets light into the camera, and influences how much of the depth of a photograph is in focus.