How to Retrieve iPhone 5S Deleted Photos from backup in External Drive

In order to save space on my computer, I transfer the iTunes backups for my iPhone 5S and iPad 3 to an external drive for storage. Yesterday, my son played my iPhone 5s and removed some very important photos by careless, as iPhone has no trash can, I cannot recover the deleted photos, the only way to get back deleted photos is retrieve them from iTunes backup. But I don’t know How to retrieve backup for my Photos from my external hard drive. I don’t want to restore my iPhone from the last backup; it would erase some current data. Is there any way to only recover the deleted photos from external drive?  Continue reading