I never shot in backup mode until I had a card fail twice on the D800. Same card (so really one failure -- first time I thought it was full).I didn't loose anything, but it sure gets your attention.Linwood Comments welcomed on pictures: Http://captivephotons.com
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.