The Fascinating History and Function of the Camera Obscura
The camera obscura is a device that has been used for centuries to project an image of the outside world onto a viewing surface. Its name, which means "darkened
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Slide1The Simple CameraIntroduction to Graphic Arts
Slide2The Simple Camera• Camera Obscura: • Latin • camera for "vaulted chamber/room“ • obscura for "dark“ • together "darkened chamber/room • a device dating back to the ancient Chinese and ancient Greeks, which uses a pinhole or lens to project an image of the scene outside upside-down onto a viewing surface.
Slide3•Camera obscura, from a manuscript of military designs. 17th century, possibly Italian
Slide4•An artist using an 18th century camera obscura to trace an image
Slide7shutterLight tight box Film holder
Slide8FOUR MAIN PARTS OF THEPINHOLE CAMERA Light tight box Lens/Opening Shutter Film holder Eyeball Pupil Eyelid Retina
Slide9Light Tight Box:• Inside black • No light gets in • Light only coming through pinhole
Slide10Lens (Opening):• gather and focus light • control the AMOUNT of light that enters the camera • Smaller opening – sharper image • Larger opening – blurry image • Pinhole
Slide11Shutter:• Flap • Controls the AMOUNT OF TIME light has to hit the film
Slide12Film Holder:• Holds film flat and in place • Emulsion facing opening • Ortho Sheet Film CHECK ALL PARTS BEFORE USING!!!