Please keep in mind that success in avoiding overwritten is the most import part of perfect photo recovery
When you deleted photos off your Nikon D7000, they are not permanently erased, it only flagged the area as “free space” and will over write it when necessary, that means, photos and videos deleted from the storage of Nikon D7000 DSLR can be recovered with proper photo recovery tool for Nikon D7000 DSLR.
This is a step by step guide about how to recover deleted pictures and videos from Nikon D7000
First download photo recovery for Nikon D7000, photo recovery for NIkon D7000 also supports audio and video recovery.
Attach your Nikon D7000 to computer and launch Nikon D7000 photo recovery
Select drive and scan the storage of Nikon D7000.
Photo recovery for Nikon D7000 will let you previewall the photos, videos and audio files deleted from it, for efficiency you can set multiple filters to specify the very photos or videos you want to recover.
click recover to have your stuff back.