Photography
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Photography. Practice with your camera as we go along!. Aperture, Shutter Speed, and ISO. Aperture. The opening and closing of the lens. The more open your aperture, the more light that is let in (kind of like the iris/pupil of your eye).

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Photography

Photography

Practice with your camera as we go along!

Aperture, Shutter Speed, and ISO


Aperture
Aperture

  • The opening and closing of the lens.

  • The more open your aperture, the more light that is let in (kind of like the iris/pupil of your eye).

  • The “F-Stop” is the size of your aperture. It’s shown on your camera as something like “F 4.0”

  • The smaller the number, the bigger the F-Stop and vice versa.


Why change the aperture
Why change the aperture?

  • In low light situations, open your aperture more (small F-Stop number) to let more light in.

  • In a landscape where there is lots of light, you can close your aperture (bigger F-Stop).


Shutter speed
Shutter Speed

  • Compare the camera’s shutter to your eyelid.

  • Faster shutter speeds can be used for action photography. Slower could be used when you want to capture light, such as a sunset.

  • Slower shutter speeds can be used in low light (a similar effect to lowering your F-Stop).

  • Fast shutter speeds will need a brighter environment.

  • For super-slow shutter speeds, you should use a stable base or a tripod. You may also want to raise your F-Stop).

  • Shutter speed is represented as a fraction of a second: 1/50 or 1/4000


ISO

  • ISO refers to how sensitive your image sensor is to light.

  • The higher the number, the more sensitive your image will be.

  • Use low ISO in daylight (you don’t need artificial light).

  • Use high ISO in a low-light situation (concerts, sporting events).


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