Think of the two of them as ends of a teeter-totter. This is how the shutter and the aperture work together to correctly expose film. However, the aperture does much more. To understand how the aperture works as a creative control, you need to understand more about focus and how your lens affects your final image. Let s talk about lenses first.
Lenses come in a variety of focal lengths.
Long telephotos are ones whose range is 200mm and longer. Currently, a 300mm is a very popular long telephoto. Each of these lenses has different characteristics. At the opposite end of the spectrum, a long telephoto has a very narrow range of view. It'll bring distant objects closer.