ARRI ARRIFLEX D-21 - Manual (Page 11)

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ARRI | ARRIFLEX D-21 / D-21 HD
The left upper area shows the sensor
used in the D-21 and D-21 HD on its
electronic backplane.
The right bottom area shows the
sensor frame that also holds the pro-
tective glass and the low pass filter.
Typical 2/3" video camera sensor
aspect ratio: 1.78:1
dimensions: 9.40 mm x 5.30 mm / 0.370" x 0.209"
ANSI Super 35 Silent camera aperture
aspect ratio 1.33:1
dimensions: 24.90 mm x 18.70 mm / 0.980" x 0.7362"
D-21 sensor active pixel area
aspect ratio: 1.33:1
dimensions: 23.76 mm x 17.82 mm / 0.9354” x 0.7016”
The rotating reflex mirror shutter.
The mirror portion can be seen to the left, and to
the right the variable shutter blade is visible, here
restricting the open shutter angle to 11.2º.