What is a Camera? <ul><li>a device that records images, either as a still photograph or as moving images known as videos or movies </li></ul><ul><li>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 </li></ul>
History <ul><li>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). </li></ul><ul><li>Irish scientist Robert Boyle and his assistant Robert Hooke later developed a portable camera obscura in the 1660s . </li></ul>
<ul><li>first camera that was small and portable enough to be practical for photography was built by Johann Zahn in 1685 </li></ul><ul><li>first colour photograph was made by Scottish physicist James Clerk Maxwell , with the help of English inventor and photographer Thomas Sutton , in 1861 </li></ul>The first permanent colour photograph, taken by James Clerk Maxwell in 1861 .
MEchanics <ul><li>Image capture </li></ul><ul><ul><li>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 . </li></ul></ul>
<ul><li>Focus </li></ul><ul><ul><li>Process of adjusting the range of distance where the camera will reproduce an image clearly </li></ul></ul><ul><ul><ul><li>Lens is needed. </li></ul></ul></ul>Single Lens Reflex Camera Range finder Camera Twin-lens Reflex Camera
<ul><li>Exposure Control </li></ul><ul><ul><li>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. </li></ul></ul>
Different types of Camera <ul><li>Digital camera </li></ul><ul><li>Movie camera </li></ul><ul><li>Pinhole camera </li></ul><ul><li>Pocket camera </li></ul><ul><li>Rangefinder camera </li></ul><ul><li>Single-lens reflex camera </li></ul><ul><li>Toy camera </li></ul><ul><li>Twin-lens reflex camera </li></ul><ul><li>Video camera </li></ul><ul><li>View camera </li></ul>
Digital Camera is a camera that takes video or still photographs , or both, digitally by recording images via an electronic image sensor .
Movie Camera <ul><li>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". </li></ul><ul><li>. </li></ul>
Pinhole camera <ul><li>A very simple camera with no lens and a single very small aperture . </li></ul>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.
Pocket camera <ul><li>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 </li></ul>The Instamatic 100, the first Instamatic sold in the US
Rangefinder camera <ul><li>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. </li></ul>
Single-Lens reflex camera <ul><li>uses an automatic moving mirror system which permits the photographer to see exactly what will be captured by the film or digital imaging system </li></ul>
Toy Camera <ul><li>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. </li></ul>
Twin-Lens Reflex Camera <ul><li>type of camera with two objective lenses of the same focal length . </li></ul>
Video Camera <ul><li>a camera used for electronic motion picture acquisition, initially developed by the television industry but now common in other applications as well. </li></ul>
View Camera <ul><li>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 </li></ul>
Here’s a video shot by a camera…. “ Good Luck!”
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