ALLIED Vision Technologies Prosilica GS2450 - Manual (Page 25)

Prosilica GS Technical Manual V2.0.5
25
Mechanical drawings
Optical flange focal distance
Optical flange focal distance is the optical distance from the mounting flange to
the image sensor die (see figure 12). Optical flange focal distance can be calcu-
lated as:
Figure 12: Cross section of typical Prosilica GS assembly with C-Mount
Camera Sensor orientation Lens protrusion
[mm]
IR cut filter*
[mm]
Sensor window
[mm]
Nominal flange focal
distance [mm]
G S650 Portrait 13.64 0.00 0.75 17.78
GS650 Landscape 13.64 0.00 0.75 17.78
G S650C Landscape 8.95 1.00 0.75 18.11
G
S650C
Portrait 9.27 1.00 0.75 18.11
G S660 Landscape 13.64 0.00 0.75 17.78
G
S660C
Landscape 8.41 1.00 0.75 18.11
G S1380 Landscape 13.64 0.00 0.75 17.78
G
S1380
Portrait 13.64 0.00 0.75 17.78
G S1380C Landscape 9.00 1.00 0.75 18.11
G
S1380C
Portrait 9.32 1.00 0.75 18.11
G S2450 Landscape 13.64 0.00 0.50 17.69
G
S2450C
Landscape 8.29 1.00 0.50 18.03
* Only color camera models are equipped with IR cut filter.
Table 9: Flange focal distance and maximum lens protrusion for Prosilica GS cameras with C-Mount
Optical flange focal distance Flange focal distance
IR cut filter thickness Sensor window thickness +
3
-------------------------------------------------------------------------------------------------------------
 
 
– 
Flange focal distance
Max. lens protrusion
IR cut filter thickness Sensor window thickness
A
A
Section A-A
Image sensor die