Thursday, December 2, 2010

Aperture


Define the following, put in your journal:
1. Aperture/F-stop- aperture controls the amount of light let in(the same in the optical system)

2. Aperture Priority- makes one set aperture, but camera chooses shutter speed

3. Ambient Light Ambient light is the available light in a room, whether by natural or mechanical sources.

 4. Artificial Light- gives one complete control over the direction, quality, and strength of the light


5.  ASA/ISO/Film Speed -

6. Bracket - produces a series of images that are both darker and light than the metered exposure

7. Depth of Field - the distance between the closest distance and the farthest distance that is in focus
(is controlled by the f stop, the focal length of the lens, subject distance from the camera and the subject distance from the background)

8.Exposure Triangle -

9.How to Control Depth of Field -


 F number control





 Subject Distance




Focal Length




10. Light Meter -  light meter is often used to determine the proper exposure for a photograph


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