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6.3. Ground Glasses
The sensor aperture of the ARRIFLEX D-21 is slightly
different from the camera aperture of the ANSI and
DIN Super 35 format. Therefore, Super 35 ground
glasses for ARRIFLEX 235/435/535 do not provide
exact frame markings in the D-21 viewfinder image.
For exact framing, only use ground glasses that are
listed for digital ARRIFLEX cameras. For a list of
available formats, please check the D-21 price list.
Exchanging the Ground Glass
If the mirror shutter is not positioned in front
•
of the sensor, briefly press the PHASE button
in standby so the shutter protects the sensor
cover glass from damage as far as possible.
Before exchanging the ground glass, turn the
•
camera off with the main power switch and
disconnect it from the power supply!
Remove the lens or the protective cap.
•
Do not touch the mirror surface!
Do not touch the sensor cover glass surface!
Using the
•
special forceps (Hirschmann clamp)
from the camera’s toolkit, pull the ground glass
out of the holder by its tongue
➪
image
.
Check that the ground glass to be inserted as well
•
as the ground glass frame is completely clean.
With the
•
special forceps, push the chosen ground
glass into the holder as far as it will go. The red
marker point must be on the left looking into the
camera lens compartment. A ball catch fixes the
ground glass exactly in the right position.
Check that the ground glass is correctly locked in place.
•
Note: Cleaning or exchanging the field lens,
see chapter 13: Camera Care.
Note: When the D-21 is set to output using the HD
Modes HD444 or HD422, the camera always
outputs images at 1.78:1 (16:9) aspect ratio using
