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Digital Lighting and Rendering by Jeremy Birn

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[Chapter Six] Cameras and Exposure

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Why does a 3D artist need to know about cameras and exposure? You need to understand how real photography works in order to match or simulate the effects of a real camera in computer graphics. Whether you are rendering visual effects elements that need to be integrated with live-action footage, or are just trying to make a 3D scene look more cinematic and believable, it helps to understand how exposure works in real cameras, and to be able to read the notations in a camera log regarding lenses, f-stops, and shutter angles. Your understanding of real cameras can also help you shoot bracketed sets of shots that ...

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