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How to Shoot in Aperture Priority Mode

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This is the blog for More Than A Snapshot's Online Photography Classes.  In these blog posts I will give photography tips, tutorials, and show images.

How to Shoot in Aperture Priority Mode

Gary Detonnancourt

Shooting in aperture priority mode is a great way to take your photography to the next level. It allows you to control the depth of field, which is crucial for creating stunning photographs. Aperture priority mode also gives you more creative freedom and control over the exposure of your images, allowing you to adjust settings such as ISO and white balance accordingly.


When shooting in aperture priority mode, it's important to understand how the aperture works and what effect it has on your photos. Aperture refers to the size of the opening in the lens that lets light into the camera sensor. The lower the number, the wider the opening; conversely, a higher number means a smaller opening. By adjusting this setting, you can determine how much light enters your camera and create different effects with your photos.


To start shooting in aperture priority mode, set your camera's dial to “A” (or “Av” on Canon cameras). Then move your command dial and select an appropriate aperture value based on what kind of effect you want to achieve with your photo. For example, if you want a shallow depth of field with a blurred background, choose a low f-stop number like f/1.8 or f/2.8; if you want everything in focus from foreground to background, choose a higher f-stop number like f/11 or f/16.


Once you've selected an aperture value, set your ISO according to how much light is available in the scene and adjust the white balance accordingly if necessary. You should also check that the shutter speed is not too slow or too fast for optimal exposure before taking a shot—if it is too slow or too fast, use exposure compensation to make adjustments as needed.


When shooting portraits in particular, using aperture priority mode can be very helpful for achieving beautiful results with blurred backgrounds and sharp subjects—simply select a low f-stop number like f/2 or f/2.8 for maximum blurriness! Additionally, when shooting landscapes or other scenes where everything needs to be sharp from foreground to background, use a higher f-stop number, like f/11 or even higher, depending on how much depth of field you need for optimal results.


Finally, don't forget that practice makes perfect! Experimenting with different settings will help you become more familiar with how each one affects your photos, so that eventually you'll be able to shoot confidently in any lighting scenario without having to think twice about it!


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