Understanding ISO takes patience, but it is the key to good photography. ISO stands for International Standards Organization, the standardized industry scale for measuring light. In Digital Photography, ISO measures the sensitivity of your camera’s image sensor. In this free video, world renowned outdoor photographer Ian Plant gives you guidance on understanding ISO. As he explains, the lower the ISO number the less sensitive your camera is to light and the finer the grain. Higher ISO settings are generally used in darker situations to get faster shutter speeds, but the images will suffer from digital noise and slightly degrade the quality. If you are in a shooting situation where the light is changing fast such as sports or wildlife, you might want to use your camera’s auto ISO setting.
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8:05Post production instructor, Tony Sweet, has captured the HDR images in the old prison room under difficult lighting conditions. “It’s my favorite room in the prison,” Tony explains, “because of the various light sources and colors.” The next step is processing the mixed light. You will learn tone mapping in the Photomatix software. Tony starts
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2:22This is a great room for capturing mixed light,” says Professional photographer and instructor, Tony Sweet. He refers to a musty room in the old prison that features bright skylight, shadows, and lamp light. To capture the HDR image, you will learn how Tony uses long exposures, dropping as low as minus five below aperture
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2:34A HDR photography session in a deserted prison? Why not! Professional photographer and instructor, Tony Sweet, takes you to an old prison cell block for what he calls “a great HDR venue” because of the dynamic lighting range from bright skylights to dark stone walls. You will learn to deviate from your normal light reading
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8:26How do you go about HDR processing the prison cell dominated by dark shadows? In this tutorial, post-production instructor, Tony Sweet, will take you through the steps. “I shot very long exposures,” he explains, “and this helped capture the details.” In Photomatix tone mapping, he starts with the default setting and makes the adjustments including
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