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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2:57The old prison yard. Outdoor setting. Light sky. Dark stone. Professional photographer and instructor, Tony Sweet, explains, “This is the perfect candidate for an HDR photo, from deep shade to bright sunlight.” You will learn that fast exposures work best in this type of exterior setting in order to minimize ghosting of the moving clouds.
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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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2:12Photographing a hall of mirrors? Now there is a challenge! In this video, professional photographer and instructor, Tony Sweet, takes you into the old prison for a complex lesson in High Dynamic Range photography. “The lighting is difficult because of the skylights and mirrors,” Tony explains. Shooting with a 14mm lens at f22, he makes
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4:44How do you process an HDR image that includes extremes of light in an old prison? In this how-to editing video, post-production instructor Tony Sweet takes you through the procedure. He sandwiches the eight exposures into one HDR photograph, moves it into Photomatix. Using the tools, he pushes the contrast way up, then dials up
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