Eric, when using the 11 af points (A7) you have all 51 available for use when in a dynamic area auto focus. You just do not have but 11 points available as the initial af point.Also the center three stack at all cross hatched.
Visit my Nikonians gallery.
Copyright © Nikonians 2000, 2013
All Rights Reserved
Nikonians®, NikoScope® and NikoniansAcademy™ are trademarks owned by Nikonians.org.
Nikon®, Nikonos® and Nikkor® are registered trademarks of Nikon Corporation.