center filter with handheld light meter

[monster]

Hi

I'm have problem about how to compensate for hasselblad center filter

i use automatic mode it's have a nice result but i want more control in manual mode, mostly i like to use handheld light meter.

but i don't know how to compensate for hasselblad center filter, how much this filter factor?

anyone can tell me

best regards

 

[Ben Blacket]

1 stop. If you're using 100 iso film, rate it at 50.