David Busch's Sony Alpha a7C Guide to Digital Photography

Nailing the Optimum Exposure

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Left to its own devices, your a7C can do an excellent job of providing the proper exposure for most scenes. But even a camera as smart as the a7C frequently can benefit from intelligent input. For example, when you shoot with the main light source behind the subject, you end up with backlighting, which can result in an overexposed background and/or an underexposed subject. The Sony a7C recognizes backlit situations nicely, and, in most cases, can properly base exposure on the main subject using the default Multi metering mode, producing a decent photo.

But as a creative photographer there will be many instances where you would rather not have automatic correction for backlighting. What if you want to underexpose ...