This page is a work in progress and will be under construction for some time, maybe indefinitely as we keep finding terms to write about and expand upon. Please check back regularly for updates.
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Aperture Priority – Known as “Av” (stands for aperture value) on Canon cameras and “A” on Nikon cameras. In this mode you set the desired aperture, and the camera automatically adjusts the shutter speed to give you the proper exposure.
Manual Mode – When you understand how aperture and shutter priority work together it becomes easy to use Manual mode. In this mode you set the aperture and shutter speed, ISO and all other settings to create the correct exposure. It can be used to give creative effects to images, such as purposefully underexposing an image to create a dramatic scene.
NOPQRS
Shutter Priority – The Tv (on Canon cameras) can be confusing as it stands for Time Value, but most people call it Shutter Priority. In this mode you set the desired shutter speed, and the camera will automatically give you the needed aperture (we’ll discuss aperture later). For Nikon cameras this will be the “S” setting.
Shutter Speed – The shutter speed is measured in seconds, or fractions of a second. The shutter speed works in conjunction with the aperture in order to get the proper exposure. The longer the shutter speed the more light your sensor gets. With a shorter speed you will get less light recorded on the cameras sensor. When we are dealing with fractions of a second, the larger the second number the faster the shutter opens and closes. For example, 1/100 is 10 times slower than 1/1000. A setting of 1/2000 is somewhat fast, and 1/60 is fairly slow. Faster shutter speeds are used creatively to freeze motion; water droplets, athletes, etc. Slower shutter speeds are used to allow more light onto the cameras sensor in low-light situations, but they can also be used creatively to blur water flowing in waterfalls for example.
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