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    What is aperture: everything you need to know about controlling light creatively

    | Photography for Beginners | 27/02/2014 00:01am
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    How to control aperture

    Manual exposure gives you total control over both aperture and shutter speed, but it can be a fiddly system when you’re just starting out.

    Aperture Priority (A or Av) is a semi-automatic exposure mode that, as the name suggests, enables you to set the aperture as a priority.

    SEE MORE: Annoying problems at common aperture settings (and how to solve them)

    How to control aperture: step 1

    Step 1
    The easy way to control aperture yourself is by selecting A/Av mode on the Mode dial. Then simply rotate your camera’s main input dial to increase or decrease the aperture setting. The camera will automatically adjust the shutter speed as you do so.

     

    How to control aperture: step 2

    Step 2
    Digital SLRs offer a choice of up to three aperture scales, with full-stop, half-stop or third-stop increments (head to your camera’s Custom Functions menu to choose your preference). We prefer third stops as it enables fine-tuning of exposure.

     

    How to control aperture: step 3

    Step 3
    There are three ways to keep track of the aperture setting – in the viewfinder, on the rear LCD screen and, in the case of high-end DSLRs, on the small top-plate LCD screen. We like the clarity that a top screen and the viewfinder provide.

     

    How to control aperture: step 4

    Step 4
    Many cameras have a Depth of Field Preview button that closes the aperture down to the setting you’ve chosen, enabling you to gauge the depth of field through the viewfinder. However, Live View offers a more effective representation of the aperture setting.

    PAGE 1: What is aperture in photography?
    PAGE 2: What is an aperture made of?
    PAGE 3: How to control aperture
    PAGE 4: Why a small aperture isn’t always best
    PAGE 5: What are f stops?

    READ MORE

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    Posted on Thursday, February 27th, 2014 at 12:01 am under Photography for Beginners.

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