There are three things that allow you to make a photograph. Film speed (ISO), shutter speed (how fast the shutter opens and closes), and the f-stop or aperture (the diaphragm in the lens barrel that closes to allow the light in to the camera). In this blog I will attempt to explain how the aperture works and what it does. I will touch on the other two points of exposure in another blog. Inside of your lens there is a ring that closes down when you press the shutter button triggering an exposure. All camera’s have them, it doesn’t...
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