Mamiya 645DF, Руководство пользователя

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17.2 Viewfinder Masking
The image area of the Contax 645 camera is 56 x 41.5 mm. A focusing
screen is only needed for the smaller size of the Credo 40 CCD that
measures 44 x 33 mm. Changing viewfinders is not necessary for Credo
80 and Credo 60 models as their light sensitive CCD measures 53.9 x
40.4 mm.
Installing the Focusing Screen
To remove the original focusing screen:
1. Remove the Contax viewfinder.
2. Pick up the screen frame claw with your finger tip, and pull it gently
upwards to remove the focusing screen.
To install the supplied focusing screen:
1. Insert the edge of the focusing screen underneath the screen pressing
spring.
2. Press the focusing screen down gently, until it locks into place with a click.
Important! Do not press or bend the screen pressing spring directly, it
may damage the camera.
Never touch the surface of the focusing screen. If there is dust on the
screen, use a blower or soft lens brush to remove it.
Store unused focusing screens in the screen case according to the
instructions on the case.
Note: Check the relevant Contax 645 manual regarding how to dismount
the viewfinder and remove the focus screen.