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photography, from the Greek word that "photos": light and "grafo": painting / writing) is the process of painting / writing by using the media light. photography means process or method to produce the image or Photo of an object to record a reflection of the light of the object in the media sensitive light. tool the most popular to capture the light of this is the camera. without light, no Photo can be made.
principle photography is the focus of light with the help of refraction so that is able to burn medium catcher light. medium that has been burned with size luminitas light right will result in the shadow of identical to light into the medium of refraction (hereinafter referred to the lens).
for generating light intensity of the right to produce figure, use the help of measure of the form of lightmeter. having got the size of lighting is right, a photographer can set the light intensity of the changing the combination of ISO / ASA (ISO speed), the diaphragm (aperture), and shutter speed (speed). combination of ISO, diaphragm and speed referred to as the display (exposure).
in the era of digital photography in which the movie not in use, the speed of the film originally used developed into digital ISO.
photography currently has grown into a lifestyle, it started since the emergence of the digital age and the development of social media.