A good way to recover deleted videos from Sony Handycam is to use a professional video recovery software. Here's a good one
The video recovery software is easy to use. You can recover deleted photos and videos from Sony camcorder. You can also recover lost files after Sony camcorder SD card reformat.
The video recovery software can recover deleted HD videos from all Sony handycam, including Sony HVR-27U, Sony PMW100, Son HXR-NX5U, Sony PMW-300, Sony PJ530, Sony FDR-X1000V, Sony FDR-AX100, Sony FDR-AX53 4K Handycam, Sony FDR-X3000R.