Quote Originally Posted by MattKing View Post
This is probably now apparent to the OP, but just in case it isn't ....

To me, the Zone System is a method used to determine the development of your film.

If you are not shooting individual sheets, or multiple film backs (N, N +1, N -1, etc.), or different bodies for different lighting contrasts than it really isn't the Zone system you are using.

I think the OP is really just trying to figure out how to best use a spot meter with roll film.
That is right, even if I cannnot use ZS for landscapes with roll-film I think it is still possible to use for portraits.

Since, I do not know whether it is good idea to put all my portraits in 18% gray ;-)

Nevertheless, a beginner like me will be fascinated by ZS.