How do I use a Sony NEX-5 as a webcam?

[jorgens]

Hello,
How do I use a Sony NEX-5 as a webcam?

 

[Guest]

We keep getting this type of question and the answer has to be that some older cameras could be used as webcams -- but the resolution was no higher than with a regular webcam so a bit pointless.

Especially given that simple to install USB webcams cost peanuts.

 

[Guest]

I have nex-5 but no webcam.... I would like to use it as a webcam rather than buy one extra.
btw, how is it that the resolution stayes the same?