Most of the times data is lost from our computer , memory card, ipod, or other backup storage device. Most would go to hysteria and panic. But some are unaware that the losses of the images are only temporary and there is a solution for it. If you’re mac user, the solution is using  Mac Recovery,

Mac Partition Data Recovery software is an advanced Apple Macintosh based recovery utility, which can deliver the best possible recovery results in repartitioned Mac drives. Its highly intensive scan engine rigorously searches for your lost partitions, enables reconstruction of the same and affirms data integrity in the found volumes.

For some photographers and digital musician you can use Mac Photo Recovery software. Disk Doctors  Photo recovery software is a robust utility with support for recovery of all standard digital photographic image file formats, almost all types of professional digital camera RAW images, several video file formats and most commonly used music file formats. You can download and evaluate the free demo version, which gives a fair idea about the chances of recovery that full version might deliver.