I have had success with this... Download the program
http://www.asoftech.com/apr/

You have to use a card reader either on your computer or an external USB card reader. Put the card in the card reader, open the recovery program, then select the drive where files are deleted, then press "Start" and wait for it to do it's magic.

Those deleted pictures can be got back as long as you take the right steps.

First things first - stop taking more photos (or videos) using the same camera (memory card) in case you may quite possibly ruin the chances of recovery.

Then connect the Nikon Coolpix camera (memory card) to your computer which has installed a target="_blank">Digital Camera Recovery for several tested and nice programs working under Both Windows and Mac OS X.

Hope it helps!

There are many photo recovery softwares available for this. Using them you can get back the photographs.

Yes, it is absolutely possible for you to recover all your accidentally deleted pictures as long as they are not overwritten by any new file the same camera.
Now, what you can do is really simple:
Step1. Stop using this camera in case that any new file would rewrite your original photos.
Step2. Insert this camera to your computer and prepare to restore your photos.
Step3. Download a deleted photo recovery freeware to your computer and start to retrieve all your deleted photos back:
http://blog4mark.blogspot.com/2012/12/photo-recovery-after-delete.html
In fact, this freeware has ever successfully saved all the inaccessible target="_blank">http://www.freeware-fix.blogspot.com/2013/02/photo-recovery.html
Step4. Save and back up all the restored photos on a different memory card or drive in case of data recovery failure.
Note: Next time, you'd better back up all your important photos on different memory cards or drives in case of the similar data recovery problems.

Card target="_blank">Card target="_blank">Card Data Recovery for Mac

Deleting won't make the pictures on a digital camera erase permanently.Those deleted pictures are still stored on the memory card of your camera, they're just invisible or inaccessible.You can recover them with photo recovery software. But once the deleted pictures were overwritten by new target="_blank">Tenorshare Photo Recovery for Mac and it worked.Anyway,you can download it and scan your memory card for free to preview whether your files can be recovered.By the way,it will show you the file name,type,date and size of your files and thumbnails for your pictures that it found on your card.Give it a shot!

First of all, you should stop saving any new files to your Nikon Coolpix S50 camera (or SD card) or taking new pictures.

Then find some photo recovery software from the following websites, which are able to recover deleted or formatted photos and movies from cell phone, digital camera, memory card and SD card etc.

Digital Photo Recovery for Windows

Digital Photo Recovery for Mac OS X

Here are the steps:

Step 1: Download and install the Digital Photo Recovery Software.

Step 2: Connect your Nikon Coolpix S50 camera (or SD card, memory card etc) to your PC or Mac.

Step 3: Scan the source drive where your lost pictures located.

Step 4: Recover the lost pictures and save them to another drive instead of the source drive.

Best regards!