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Transcript

  • 1. Cameras Dianne L. Salvaleon
  • 2. Took one of these pictures.
  • 3. What is a Camera?
    • a device that records images, either as a still photograph or as moving images known as videos or movies
    • Comes from “camera obscura” in Latin means: Dark Chamber; early mechanism of projecting images where an entire room functioned as a real-time imaging system
  • 4. History
    • The forerunner of modern camera: Camera Obscura first invented by the Iraqi scientist Ibn al-Haytham (Alhazen) as described in his Book of Optics (1015-1021).
    • Irish scientist Robert Boyle and his assistant Robert Hooke later developed a portable camera obscura in the 1660s .
  • 5.
    • first camera that was small and portable enough to be practical for photography was built by Johann Zahn in 1685
    • first colour photograph was made by Scottish physicist James Clerk Maxwell , with the help of English inventor and photographer Thomas Sutton , in 1861
    The first permanent colour photograph, taken by James Clerk Maxwell in 1861 .
  • 6. MEchanics
    • Image capture
      • Traditional cameras capture light onto photographic film or photographic plate . Video and digital cameras use electronics , usually a charge coupled device (CCD) or sometimes a CMOS sensor to capture images which can be transferred or stored in tape or computer memory inside the camera for later playback or processing .
  • 7.
    • Focus
      • Process of adjusting the range of distance where the camera will reproduce an image clearly
        • Lens is needed.
    Single Lens Reflex Camera Range finder Camera Twin-lens Reflex Camera
  • 8.
    • Exposure Control
      • the size of the aperture and the brightness of the scene controls the amount of light that enters the camera during a period of time, and the shutter controls the length of time that the light hits the recording surface. Equivalent exposures can be made with a larger aperture and a faster shutter speed or a corresponding smaller aperture and with the shutter speed slowed down.
  • 9. Different types of Camera
    • Digital camera
    • Movie camera
    • Pinhole camera
    • Pocket camera
    • Rangefinder camera
    • Single-lens reflex camera
    • Toy camera
    • Twin-lens reflex camera
    • Video camera
    • View camera
  • 10. Digital Camera is a camera that takes video or still photographs , or both, digitally by recording images via an electronic image sensor .
  • 11. Movie Camera
    • type of photographic camera which takes a rapid sequence of photographs on strips of film . In contrast to a still camera , which captures a single snapshot at a time, the movie camera takes a series of images, each called a "frame".
    • .
  • 12. Pinhole camera
    • A very simple camera with no lens and a single very small aperture .
    A pinhole camera made from an oatmeal box. The pinhole is in the centre. The black plastic which normally surrounds this camera (see picture above) has been removed.
  • 13. Pocket camera
    • Instamatic is a series of inexpensive, easy-to-load 126 and 110 cameras made by Kodak beginning in 1963. The Instamatic was immensely successful, introducing a generation to low-cost photography and spawning numerous imitators
    The Instamatic 100, the first Instamatic sold in the US
  • 14. Rangefinder camera
    • a camera fitted with a rangefinder : a range-finding focusing mechanism allowing the photographer to measure the subject distance and take photographs that are in sharp focus.
  • 15. Single-Lens reflex camera
    • uses an automatic moving mirror system which permits the photographer to see exactly what will be captured by the film or digital imaging system
  • 16. Toy Camera
    • are simple, inexpensive film box cameras made almost entirely out of plastic , often including the lens . The term is misleading, since they are not 'toys' in the sense that these cameras are actually capable of taking photographs.
  • 17. Twin-Lens Reflex Camera
    • type of camera with two objective lenses of the same focal length .
  • 18. Video Camera
    • a camera used for electronic motion picture acquisition, initially developed by the television industry but now common in other applications as well.
  • 19. View Camera
    • comprises a flexible bellows which forms a light-tight seal between two adjustable standards , one of which holds a lens , and the other a viewfinder or a photographic film holder
  • 20. Here’s a video shot by a camera…. “ Good Luck!”