Full frame sensor size explained: exploit its advantages for pro-quality pictures

    | Photography Tutorials | Tutorials | 21/11/2012 11:30am
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    Why the depth of field is different

    In theory, lenses will give the same depth of field on both FX and DX cameras, so why do FX cameras seem to yield so much less?

    Typically, you need to close down the aperture on an FX camera by about a stop and a third to get similar depth of field to the one you’d get from a DX-format camera.

    So why is this? It’s because you wouldn’t actually use the same lens on both. On the DX camera, the smaller sensor means that you’d use a shorter focal length lens to get the same angle of view.

    For example, if you use a 50mm lens on an FX camera, you’d need to use a 35mm lens on a DX camera to get the same angle of view – and the 35mm lens will yield much more depth of field because of its shorter focal length.

    Our infographic below illustrates why crop-sensor cameras keep more in focus.

    Full frame vs Crop sensor cameras: why crop sensors keep more in focusPAGE 1: What is full frame?
    PAGE 2: Lens loyalties with full frame
    PAGE 3: Why the depth of field is different
    PAGE 4: How to shoot with a full frame sensor
    PAGE 5: How a full frame sensor affects your pictures
    PAGE 6: Pros and cons of using a full frame sensor

    READ MORE

    Depth of field: what you need to know for successful images
    Dynamic Range: what you need to know about capturing all the tones in a scene


    Posted on Wednesday, November 21st, 2012 at 11:30 am under Photography Tutorials, Tutorials.

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