ISO: The ISO setting on a camera tells how sensitive the image sensor is to light. If the ISO is at a hight setting, the image sensor is more sensitive and allows you to take pictures with very low lighting. Lower ISO settings are preferred in situations where there is very bright light. This is simply another way to adjust the camera instead of using aperture or shutter speed.
EV: EV stands for Exposure Value and denotes all of the possible combinations of shutter speed and aperture that can be used to give the same exposure to a picture.
Aperture: The aperture on a camera refers to how much light will be let into the picture depending on the size of the hole that is letting light into the camera. With shutter speed, it determines how exposed the picture will be with relation to light. The higher the aperture, the smaller the hole and the less amount of light that will be let into the camera.
Shutter Speed: Shutter speed also deals with exposure and determines how long the shutter of the camera will be open to let in light. In bright lighting, the shutter speed should be low, otherwise the picture will be underexposed. In low lighting, the shutter speed should be longer to allow more light to come in. However, the longer the shutter speed, the more likely the picture will be blurred if the camera is not sitting on a flat surface or a tripod. Also, moving objects will become blurry if they are shot with a longer shutter speed.
Depth of Field: The depth of field deals with the sharpness of the photograph. Cameras are able to make the entire picture entirely in focus. However, playing with the aperture can change the depth of field. It allows certain aspects of the picture to be in focus and other parts not in focus. The more shallow the depth of field, the less amount of the photograph will be in focus. Increasing the aperture increases the depth of field. Here is a picture I took last week that shows depth of field:
This is a great picture of a forest. The photo shows many lines with the trees, there is also a lot of depth.
Another great photo that shows a bathroom. Both my pictures where taken by Mark Power.
Here is a photo that I took on my 1st night in Rome
Done by: Tony Stark
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