Aperture and focal length are some of the first concepts a photographer has to know. They are defining the parameters of the lens and influence framing, composition, and exposure. And although you can treat aperture and focal length as individual parameters, there is a strong relationship between them. Knowing how aperture and focal length work together helps you choose the …
The Secrets of DSLR Aperture Priority Mode
Almost any DSLR provides two intermediary operating modes between the full automatic Auto Mode and the full manual Manual Mode. They are Aperture Priority Mode and Shutter Speed Priority Mode. Aperture Priority Mode is usually marked with an A or Av symbol. It’s a semi-automatic mode that allows you to set the aperture while the camera automatically adjusts the shutter …