
Originally Posted by
PhotomanJohn
Christina,
Are you using single or continuous focus mode? If you were in continuous maybe there was enough camera motion such that the focus point was falling off the subject then back on causing the camera to change the focus. If you were able to see it going in and out of focus you might try (if not already) using back button focus set to AF-C and disable the shutter button from focusing. This way you can play with the auto-focus until it looks right then stop focusing and take the shot.
John