This messages teach you how to recover lost photo,video form iphone 5 on Mac:
http://www.recovery-iphone.com/how-to-recover-data-from-iphone-5-on-mac.html
iPhone 5 data recovery: http://www.recovery-iphone.com/iphone-data-recovery-mac.html
This use guide teach you How to Recover Data from iPhone 5 on Mac,including after Jailbreak and iOS Updates,Tip I. Recover Data from iPhone 5 without backup on Mac,and How to Recover Previous Data from iTunes Backup