Best Way to Learn About Exposure: Exposure Modes and Metering

Most cameras with the exception of some semi-professional and professional models have a range of fully automatic exposure modes. These are indicated by various icons and have names such as portrait, landscape and night.If you use any fully automatic exposure mode, now is the time to stop. These modes are quite restricted and don’t give you much, if any, control over the shutter speed, aperture and ISO settings.Why does your camera have so many exposure modes? The fully automatic modes are designed to help people who don’t know much about photography to use the camera right away. They are not aimed at photographers who can decided for themselves which aperture, shutter speed or ISO to use.In my view, the fully automatic exposure modes clutter up the dial and create confusion. In practice, you only need four exposure modes. They are Aperture Priority, Shutter Priority, Program and Manual. Here’s how they work:

via Best Way to Learn About Exposure: Exposure Modes and Metering.