So you've tried Program Mode and Aperture Mode, now you are wondering what Shutter Priority Mode is good for. Well, you are in luck! Because that is what this weeks post is all about. Just in case you don't know this is part three in a four part discussion on advanced camera modes. Alright, lets get started.
Shutter Priority mode will allow you to set the speed of your shutter. So what's the difference between adjusting the aperture and adjusting the shutter? Well the aperture and the shutter do essentially the same function ... they both control or regulate the amount of light reaching the sensor or film when you take a picture. However, the aperture and shutter controls affect a photo in very different ways. The aperture, as we know, adjusts the depth of field while the shutter speed makes a picture sharp or blurry depending on the length of time the shutter is open.
To select the Shutter Priority mode turn the command dial to either "S" or "Tv (meaning "time value")" depending on your model of camera. If your camera does not have a command dial you may be able to select Shutter Priority mode by entering the on camera menu. By selecting this option you will be choosing the shutter speed and the camera will automatically adjust the aperture to properly expose your photo.
So why would you want to adjust the shutter speed? Well, the main reason most people adjust shutter speed is to stop or to show action. A high shutter speed of 1/1000 of a second or higher will stop action and allow you to get a great clear shot of the action. Just remember that as you increase shutter speed you may have to increase your ISO to get a properly exposed photo. Alternately a slow shutter speed of 1/30 of a second or slower will allow the action to blur so that you can show action or movement. Because nothing says "That was really flying by!" like some motion blur. So go out and stop some action using Shutter Priority mode.
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