ALLIED Vision Technologies Prosilica GC2450 - Manual (Page 45)

Prosilica GC Technical Manual V2.0.8
45
Camera dimensions
Optical flange focal distance
Optical flange focal distance is the optical distance from the mounting flange to
the image sensor die (see figure 32 and table 18). Optical flange focal distance
can be calculated as:
Figure 32: Cross section of typical Prosilica GC assembly with C-Mount
Camera Mount Maximum Lens
protrusion [mm]
IR cut filter*
[mm]
Sensor window
[mm]
Nominal Flange focal
distance [mm]
GC650 C-Mount 13.64 0.00 0.75 17.78
GC650C C-Mount 9.01 1.00 0.75 18.11
GC655 C-Mount 13.64 0.00 0.75 17.78
GC655C C-Mount 8.29 1.00 0.75 18.11
GC660 C-Mount 13.64 0.00 0.75 17.78
GC660C C-Mount 11.01 1.00 0.75 18.11
GC750 CS-Mount 9.12 0.00 0.40 12.63
GC750C CS-Mount 3.84 1.00 0.40 12.97
GC780 C-Mount 13.64 0.00 0.75 17.78
GC780C C-Mount 8.29 1.00 0.75 18.11
GC1020 C-Mount 13.64 0.00 0.75 17.78
GC1020C C-Mount 9.01 1.00 0.75 18.11
Table 18: Flange focal distance and maximum lens protrusion for Prosilica GC cameras
Optical flange focal distance Flange focal distance
IR cut filter thickness Sensor window thickness +
3
-------------------------------------------------------------------------------------------------------------
 
 
– 
Sensor window thickness IR cut filter thickness
Max. lens protrusion
Flange focal distance
Section A-A
A
A
Image sensor die