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A Photographer’s Guide to Focus and Autofocus: From Snapshots to Great Shots by Alan Hess

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Introduction

When I started to take photographs many years ago, there was no autofocus. I used to have to manually focus by turning the focusing ring on the lens until the image in the viewfinder was sharp. Only then could I start trying to compose the image in a pleasing way. Then along came autofocus, and the camera seemed to magically focus faster and better than I could. Taking photos became a lot easier. Autofocus has made it easier to take sharp, in-focus photos, but camera manufacturers keep trying to make the autofocus faster and better while giving photographers a lot more options. These options also make it a lot more complicated for photographers, especially for those just starting out with DSLRs.

Q: Why focus and autofocus?

A: With ...

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