 BetterPhoto Member |
What is over and under exposing? Im new at this photograpy thing and have a project in which I gots to over expose and under expose. I also have to do this thing when the aperture is above or below the shutter and vice versa. Im confused outta my mind and need help. Plz explain what this stuff is!
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Terry L. Long |
Cervante, Simply put, OVER EXPOSURE is when you accidentally, or on purpose, expose your shot for too long of a time. Of course, UNDER EXPOSURE is when you do just the opposite...the film isn't exposed long enough. Sometimes you want to over/under expose. An example would be: A snow scene. If you have a subject in a scene with a lot of snow in it and you set to expose your film to what your camera meter says then, your scene will be UNDER EXPOSED. The white snow will come out a grey color instead of white. Therefore, you have to OVER EXPOSE in order for the snow to come out white...usually by one and a half to two stops. The opposite is true for a black subject such as a dog. If you use the meter reading your camera tells you to use, the dog will come out a grey color. Therefore, you have to UNDER EXPOSE by 1 to 2 stops. You can properly expose the shot by either using the shutter speed or the f/stops...either way will work. However, slowing down the shutter speed might cause the unintentional effect of blur. Using the f/stops will cause your depth of field to change. Which choice you use is entirely up to what effect you're willing to compensate for. I hope this helps.
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