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Forum: What Camera Should I Buy? Dec 14, 2015, 10:51 AM
Replies: 4
Views: 1,192
Posted By TCav
A large aperture at a long focal length is...

A large aperture at a long focal length is important for sports/action photography because it allows you to use fast shutter speeds. Typically, zoom lenses use smaller and smaller apertures...
Forum: What Camera Should I Buy? Dec 14, 2015, 7:37 AM
Replies: 4
Views: 1,192
Posted By TCav
In general, P&S cameras use Contrast Detection...

In general, P&S cameras use Contrast Detection autofocus (https://en.wikipedia.org/wiki/Autofocus#Contrast_detection), which is more accurate but not as fast as Phase Detection autofocus...
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