Mechanical dimensions
179
Prosilica GT Technical Manual V3.2.0
Sensor position accuracy
The following table defines the manufacturing accuracy of fitting sensors into
Prosilica GT cameras. Unless stated otherwise, the following values are applicable.
Figure 112: Sensor position accuracy
Criteria
Subject
Properties
Alignment method
Optical alignment of photo sensitive sensor area into camera front
module (lens mount front flange).
Reference points
Sensor
Center of pixel area (photo sensitive cells)
Camera
Center of camera front flange (outer case edges)
Accuracy
x-axis
y-axis
±250 µm (sensor shift)
z-axis
±10 µm (optical back focal length)
α
< 1 degrees (sensor rotation as the deviation from the parallel to the
camera bottom)
Table 84: Sensor position accuracy criteria
x
y
Sensor case
D
Camera bod
y
Pi
x
el area
Sensor case
Camera bod
y
Pi
x
el area
