What's a good reflector size for everything from headshots to full body portraits?

[Bryanpic114]

Hello everyone!
what size reflector would be good for fashion, model, and people portraiture from headshots to full body portraits and everything in between? Thanks for the help and knowledge

 

[sezzi]

does it need to be portable ?



Al'

 

[Bryanpic114]

Let's have two answers. Let's say it does need to be portable. And then let's also say it does not need to be portable. Thanks

 

[tiler65]

White 8'x4' foam board is invaluable in a studio.

 

[Bryanpic114]

Does the white foam board work the same as a a white collapsible reflector?