Photography is the art of reproducing pictures of people, objects or places in their exact likeness. These images can be transferred on any photosensitive material. Photography includes taking and printing pictures.
The backbone of photography is the camera, the instrument or device that works on the principle of optics. The camera and photographic techniques have undergone phenomenal changes since the time the first camera was made. The earlier model did not contain the film; instead, it had a small light-shield box with lens and translucent screen on either side. The image that traveled through the lens was stored on the screen. Known as ‘camera obscura,’ it was no more than a sketching device for artists.
Then the scientists discovered the quality of silver nitrate that changes its color when exposed to light. This was the beginning of photogram, a method of making permanent images.
They would place objects on the paper dipped in silver nitrate and expose it to the sunlight. After sometime the area covered under the object stayed white while the rest of the space turned black. However, the image formed was temporary, so the method did not...
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