First thing in the morning I will bring you an up to date listing of all of the digital imaging deals for Amazons birthday! Have no idea what I am talking about check out this link:
http://www.nbcnews.com/business/consumer/amazon-releases-list-prime-day-deal-teases-n391831
There is another blog that is keeping track of all of the deals as well:
Accessories:
Movo Photo Heavy Duty & Super Sturdy Action Stabilizing Video Handle Grip for Most Cameras $7.95
Joby GP3 GorillaPod SLR-Zoom Flexible Tripod + BH1 Ball Head with Bubble Level $36.99
Expiring deals:
These deals are going all day at different times. They want you to be on their site basically all day long! I keep checking back to see prices. The easiest way that I found was to head over to the prime page and choose electronics as the category:
Canon battery charger with two batteries
Water resistant memory card case