Exposure - the exposure of a photo is how much light can get into the lens, thereby it determines the brightness of the photo. The exposure is controlled by changing the aperture of the camera. In a camera by raising the aperture, you close the lens more; blocking the amount of light that can get through (similarly to how a pupil works in an eye). Changing the aperture of the photo can also affect how it focuses, allowing for a deeper or shallower depth of field depending on how it's changed. Knowing how to use Aperture will be very important to my project for the millennium gallery as it can ruin a photo if used badly and especially as I will be taking a lot of photos at night, when the light is low, I will need to be able to decide on which aperture will capture images effectively.
Photographic lenses - There're many different types of lenses, which can be used to capture a variety of shots. The bigger the lens, the closer up the shot will be. for example a 100mm lens will offer a more zoomed in shot than a 18mm lens.
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