it's not HDMI, its too old of a cable, Probably displayport I guess.
That can be remedied by not holding it that close, since the lens in there is not a really good on with close objects. If you want to have a focused object, you should at least keep 30 to 50 cm distance to the lens.Sorry for photo, my ipod touch camera...
Looks to me to be a MicroDVI --> VGA adapter. MicroDVI is the video-out connector used by the original MacBook Air.