Though backups do enable you to secure data, it could inadvertently be the cause of data loss. You need to be careful while copying backup. When you are making backup copy, ensure that you store the backup data to an external storage device like CD, DVD or other external storage media. However, we fear data loss, losing photographs is even more hurting and hard to come terms with, as each photo represents an feeling or a situation that cannot be brought back. You need to surf through internet before select the Mac photo recovery software that can powerfully recover photos without damage your data.
For the best photo recovery results, you need to stop using the system right away after you delete the pictures or other data. If you use the volume further to store new data the deleted photos could get overwritten leading to permanent data loss. Ensure that the photo recovery software for os x that have you chosen can recover photos even after the partition is formatted or reformatted.