Mounting the focusing screen
The image area of the CONTAX 645 is 41.5mm x
56mm. The image area of the P back is slightly smaller
(depending on model).
A Phase One P back viewfinder mask is provided.
This viewfinder mask has to be mounted underneath
the CONTAX focusing screen. Refer to the CONTAX
645 Instruction Manual “Replacing Focusing Screen”
before the focusing screen is mounted.
Slide the VIewfinder back
to remove it and pull up the
CONTAX Viewfinder glass.
Insert the Phase One
Viewfinder mask and re
-
insert the CONTAX view
-
finder glass on top.