gmpb:
In optics, an aperture is the hole in the camera lens through which lights travels. it controls the amount of light that gets in to the camera. The aperture determines the focus and brightness of the image. In a combination with Shutter Speed it regulates the degree of exposure to light. A…












![gmpb:
Depth of Field:
Shallow Focus: only the foreground is in focus [this would be a low aperture e.g. F2.8, F3.2]
Deep Focus: the entire image is in focus [this would be a high aperture e.g. F16, F32]](http://24.media.tumblr.com/tumblr_lvmggvI8RL1qmknh1o1_500.jpg)