What is Aperture?
Aperture is the space in the lens that can be adjusted to control the amount of light that enters into the camera body. The size of aperture is measured in F-stops, for example, f/8.
What is the effect of changing the aperture?
Changing the aperture affects the depth of field, which is the area of the image that is sharp/in focus. Smaller F-stops creates a larger aperture, and larger F-stops creates a smaller aperture. Larger apertures isolate the foreground from the background by having the foreground sharp and the background blurred, and smaller apertures make the background appear more in focus.
What is shutter speed?
Shutter speed is the amount of time a digital camera's shutter is open for when taking a photo. Changing the shutter speed changes the amount of light that reaches the image sensor.
What is the difference between slow and fast shutter speed?
Slow shutter speed allows more light in the image, and is used mostly used when it is dark. It also creates a blur in parts of the image, compared to fast shutter speed where it is a sharp image. You would use a slow shutter speed when photographing something when it is dark, or a landscape shot. You would use a fast shutter speed when photographing something that is moving quickly and want a sharp photo of it. For example, a moving water droplet.
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