how to import my video from handy cam sony to iMac?

Hello there, Boggsav1611.

The following Knowledge Base article offers up how-to on importing using iMovie 2013:

iMovie (2013): Import from file-based cameras

http://support.apple.com/kb/PH14673

For more information on how-to use the application eel free to look over the online help for iMovie:

iMovie Help

http://help.apple.com/imovie/mac/10.0

Thanks for reaching out to Apple Support Communities.

Cheers,

Pedro.