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jason_barth

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Posts posted by jason_barth

  1. <p>I read a few pages of that book and I remember him speaking about how ISO would affect exposure just as aperture and shutter speed. As the beginning of the book is meant to teach creative exposure, he wants the reader to focus on aperture and shutter speed in more controlled settings. The reader experiments and then learns how aperture or shutter speed affect the exposure and only after getting comfortable with these two elements will the reader move on to adding ISO to the equation. He wouldn't use one ISO setting for all pictures unless he only uses a tripod and can make everyone wait for him to set up. <br>

    The newer DSLR's look fine at ISO 800 but older books will talk about pictures being grainy. Choosing an ISO is based on the environments, available light, the subject, ability to use a tripod or not, and finally, what type of exposure is desired. </p>

  2. <p>I understand that images and colors on a screen are brighter, as light passes through the image, versus on a piece of photo paper, in which light only reflects off of it. What I don't know yet is how to calibrate for both. I have a series of images that appear perfect on the screen, but when professionally printed, they came out dark.<br>

    When adjusting a photo <em>for print</em> , what is the best way to do so?<br>

    For example:<br>

    One could open levels in photoshop, place a mark in the center and move the entire line up slightly up.<br>

    This would seem to be better than increasing Brightness.<br>

    This aspect of photography I am green as grass at, but have to start learning fast. Any and all help is greatly appreciated.</p>

    <p> </p>

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