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Photography allows us to "freeze" our surroundings. Officially, photography was invented 150 years ago. Fields in which photography is used: reporting, fashion, biology, art and artificial satellites, to mention just a few. Isaac Newton demonstrated that sunlight can be broken up into a colour spectrum. History of photography: Niepce, Daguerre, Talbot, Eastman, Kodak, Mannes and Godowski. Different parts of a camera: diaphragm, lens, view-finder. Film: its composition, negatives. Summary.

Photography freezes vivid images, buildings, monuments and famous people.
Photography has become important in journalism, fashion, biology, in outer space etc.,
Light and photography.
Composition of light.
How we humans perceive light.

The camera “Oscar”.
Niepce took the first photograph in history.
Daguerre took the first photograph using a copper plate. Daguerreotypes.
Henry Talbot developed negatives to get copies from them.
George Eastman invented the roll of film and a portable camera, called Kodak 1.
The magnesium lamp.
Mannes and Godowski made the first practical colour film using the kodachrome system.
Cameras that do not need film to take photographs.

Our irises and pupils are comparable to the camera’s diaphragm.

Compositions of films.
Negatives. Enlargements. Copies.
Modern telescopes function as enormous photographic lenses.
Artificial satellites and cartography.
Light and X-rays in medicine.
Holography gives us three-dimensional images.
Space-probes send us images of the planets in out solar system.


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