Auto-focus may make our lives easier, but does it necessarily give us the sharpest photos possible?

Nature Photographers.net has a nice look at the difference in results between an auto-focused photo and a photo that is focused manually.

The tester uses a Canon 1d Mark II and a Canon 1d Mark III and then a Nikon D200, so the results are pretty universal. Check it out, it make make you think twice before snapping that landscape or nature shot while in AF mode.

Nature Photographers has all the comparisons between auto-focus and manual focus here.

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