September 2018
Beginner
244 pages
8h 19m
English
Content preview from The Enthusiast's Guide to iPhone PhotographyBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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7. UNDERSTANDING HOW THE CAMERA “SEES”
BEFORE WE GET to iPhone-specific camera issues, let’s take a short detour to consider how camera light meters work in general and how they come up with their exposure recommendations.
The light meter in your iPhone is not that different from the light meters that have been in cameras for many years. When a digital camera (or any camera with a built-in light meter) “sees” a scene, it provides an exposure recommendation based on the levels of reflected light in the scene. Reflected light is how we see most of the world around us. Reflected light comes from a specific source (the sun, an electric light, a street ...
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