User guide
135
Mirror Up
When using mirror up with the Drive Dial in the M.UP position ensure that
the Exposure Mode Dial and the focus mode are both in Manual mode (M).
It is not possible for the camera to measure light or focus when the mirror is
up. Please consult the Mamiya 645 Instruction manual to learn how to use
Mirror Up.
Viewnder Masking
The image area of the Phase One and Mamiya 645 cameras is approximately
56x42 mm. A viewnder mask is only needed for the IQ150 and IQ140 models.
Viewnder masking is not necessary for IQ180 and IQ160 models as their light
sensitive CCD measures 53.9x40.4 mm.
Shutter Release Button
Drive Dial
Mirror*
*Do not touch the mirror
Exposure Mode Dial