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Optics
Problem
Possible Cause
Remedy
Condensation on the
sensor cover glass.
When camera is moved from
a cool to a warm location or
when used in damp climate,
condensation may form inside the
lens compartment, on the sensor
and on the electrical connections.
Put camera in interim storage at temperature close
to ambient temperature during shooting.
Attach air-drying cartridge to PL-Mount during storage in an
environment that is cooler than the shooting location.
In ambient temperatures above 30 °C/86 °F and/or humidity above 60%,
always attach air-drying cartridge to PL-Mount whenever camera is not
in use. This applies to storage (outside transport case) shooting breaks
and situations when no lens is attached to camera for an extended time.
Ground glass alignment is off.
Ground glass shifted
during transport.
Open lens compartment and check that ground glass
is correctly inserted into ground glass holder.
Image is shifting when
using a zoom lens.
PL-Mount not set to Super 35.
The D-21 PL-Mount has to remain in Super 35 position (2) at all times.
Viewfinder image is all red.
No ARRIGLOW mask inserted.
Insert glow mask matching the ground glass or turn off ARRIGLOW.
Viewfinder image is upside down.
Image orientation not adjusted
after finder extender was
attached/detached.
Press locking key on far right of viewfinder arm and turn
rotation adjustment knob until it locks in next position.
Viewfinder shows no image
when mirror shutter is
stopped or camera is off.
Mirror shutter not in
viewing position.
Turn on camera and press PHASE button.
Mirror shutter always returns to last position it was set to.