camera oscura definition, camera oscura meaning | English dictionary

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1    an optical device consisting of a lens system set in a light-proof construction inside which a light-sensitive film or plate can be positioned  
   See also       cine camera  
2      (Television)   the equipment used to convert the optical image of a scene being televised into the corresponding electrical signals  
3       See       camera obscura  
4    pl   , -erae   a judge's private room  
5    in camera  
a      (Law)   relating to a hearing from which members of the public are excluded  
b    in private  
6    off camera   not within an area being filmed  
7    on camera   (esp. of an actor) being filmed  
     (C18: from Latin: vault, from Greek kamara)  

automatic camera  
      n   a camera in which the lens aperture or the shutter speed or both are automatically adjusted to the prevailing conditions  
box camera  
      n   a simple box-shaped camera having an elementary lens, shutter, and viewfinder  
camera lucida  
      n   an instrument attached to a microscope, etc. to enable an observer to view simultaneously the image and a drawing surface to facilitate the sketching of the image  
     (New Latin: light chamber)  
camera obscura  
      n   a darkened chamber or small building in which images of outside objects are projected onto a flat surface by a convex lens in an aperture,   (Sometimes shortened to)    camera  
     (New Latin: dark chamber)  
camera-ready copy  
      n     (Printing)   type matter ready to be photographed for plate-making without further alteration,   (Also called)    mechanical  
      adj   having an aversion to being photographed or filmed  
caméra stylo     (French)  
      n     (Films)   the use of the camera as a means of personal expression, especially as practised by some directors of the New Wave  
     (French, literally: camera stylograph)  
camera tube  
      n   the part of a television camera that converts an optical image into electrical signals of video frequency  
   See also       image orthicon       vidicon       Plumbicon       iconoscope  
candid camera  
a    a small camera that may be used to take informal photographs of people, usually without their knowledge  
b    (as modifier)  
a candid-camera photograph     
cine camera  
      n     (Brit)   a camera in which a strip of film moves past the lens, usually to give 16 or 24 exposures per second, thus enabling moving pictures to be taken,   (U.S. and Canadian term)    movie camera  
compact camera  
      n   a simple 35 mm snapshot camera not having interchangeable lenses or through-the-lens focusing but sometimes having automatic focusing, exposure, and winding,   (Sometimes shortened to)    compact  
digital camera  
      n   a camera that produces digital images that can be stored in a computer, displayed on a screen and printed  
gamma camera  
      n   a medical apparatus that detects gamma rays emitted from a person's body after the administration of a radioactive drug and so produces images of the organ being investigated  
in camera  
1    in a private or secret session; not in public  
2      (Law)  
a    in the privacy of a judge's chambers  
b    in a court not open to the public  
     (Latin: in the chamber)  
miniature camera  
      n   a small camera using 35 millimetre film  
movie camera  
      n      the U.S. and Canadian term for       cine camera  
pinhole camera  
      n   a camera with a pinhole as an aperture instead of a lens  
process camera  
      n     (Printing)   a large camera used in the photographic processes involved in the printing industry  
programmed camera  
      n     (Photog)   a camera with electronic facilities for setting both aperture and shutter speed automatically on the basis of a through-the-lens light value and a given film speed  
reflex camera  
      n   a camera in which the image is composed and focused on a large ground-glass viewfinder screen. In a single-lens reflex the light enters through the camera lens and falls on the film when the viewfinder mirror is retracted. In a twin-lens reflex the light enters through a separate lens and is deflected onto the viewfinder screen  
subminiature camera  
      n   a pocket-sized camera, usually using 16 millimetre film with a very fine grain so that negatives can produce considerably enlarged prints  
English Collins Dictionary - English Definition & Thesaurus  
Collaborative Dictionary     English Definition
someone who, most of the time, carries a device enabling him to capture his day-by-day experiences (such as a photo camera, mobile phone etc.)
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