This doesn't seem sharp to me...

I took this image with my Canon 50d, in AI SERVO, center focus point and my 70-200 f2.8 IS, with a flash.

1/1000, f2.8, iso 100, 165mm. No PP, straight out of the camera.

Nailed the focus pretty much right between the eyes. He was just on a swing moving back and forth. It doesnt seem sharp, his face seems out of focus to me even though the focus point was smack in the middle of his face.

What do you think?

This is a cropped version of his face.

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Canon 50d gripped, 70-200 f2.8L IS USM, 50mm f1.8, 18-55 f3.5-5.6, 430ex II, Carry Speed FS Pro Sling Strap