Canon 9353A004 elan7n_instructions.pdf - Page 89
Basic Photography Terms
UPC - 077701521646
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Reference Basic Photography Terms AE Abbreviation for auto exposure. It is an automatic metering and exposure system that sets the optimum exposure (shutter speed and/or aperture value) based on the reading by the built-in exposure meter. Exposure Exposure occurs when the film is exposed to light. Correct exposure is obtained when the film is exposed to a proper amount of light in accordance with the film's sensitivity to light. The correct exposure is adjusted with the camera's shutter speed and aperture. Shutter speed The shutter speed is the length of time the camera's shutter opens to expose the film to the light coming through the lens. The camera displays the shutter speed from "D" (1/4000 sec.) to "K" (30 sec.) and "y". Aperture value The aperture setting (f-number) indicates the size of the aperture opening in the lens. It is used to adjust the amount of light striking the film. The camera can display the aperture setting from "X" to "V". The actual aperture range displayed depends on the lens. ISO film speed The ISO film speed indicates the film's sensitivity to light. The higher the film speed, the more sensitive the film is. Therefore, ISO 400 and higherspeed films are suited for low-light conditions. The ISO film speed is set in accordance with standards set by the International Standardization Organization (ISO). The camera can display the ISO film speed from "U" to "F". 89