Logitech Capture for C920 Cameras one of the best video recording software available.
One of the best software i have used for capturing video and desktop presentations is Logitech Capture Video it really is easy to use and edit in your video editing software. Using the Logitech C920 to capture video and a screen resolution of 1920 x 1080 or HD to keep them both the same.
Links to see current C920 deals here.