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CROSS SECTION OF A REFLEX CAMERA
cross section of a reflex camera
A slanted mirror allows the user to view and shoot at the same time; the mirror flips up when the shutter release button is pressed.
Device used to attach a lens to a camera.
Transparent optical disks through which ambient light enters; the disks correct each other to improve the quality of the image.
Device with a variable opening that controls the amount of light entering the camera.
Sensor that measures the light intensity; it is used to determine the correct exposure (shutter speed and diaphragm opening).
Mirror that directs part of the light entering the lens through the center of the main reflex mirror and toward the light sensor.
Thin flexible transparent band that is covered with a light-sensitive emulsion, which allows images to be imprinted.
focal plane shutter
Opaque device that opens for a predetermined length of time based on the shutter speed chosen; it allows light to come in contact with the film.
main reflex mirror
Mirror that redirects light toward the focusing screen; when the photo is taken, it retracts so that light reaches the film.
Ground glass plate on which the image caught by the lens is formed; at this point, it is inverted from right to left.
Optical disk or system of disks through which the eye sees the image produced by the lens.
Five-sided block of glass that diverts light beams to the eyepiece; this rights the inverted image formed on the focusing screen.
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