User Manual
Bobcat 320 Gated
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Doc Ref: ENG-2012-UMN016
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Issue: 002
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Date: 09/11/2012
XF-104_02/20-01-2012
Page 15 of 34
3. Optical Interface
The optical interface to the Bobcat consists of three parts: the front plate, a lens adapter
and a lens (see
Figure 3-1
). The bobcat camera can only be used with C-mount lenses.
The lens adaptor ring is used to adjust the focal distance of the lens.
Front plate
Lens
Lens adaptor ring
Figure 3-1 Main optical components: lens – front plate – adaptor ring
C-mount lenses provide a male thread which mates with a female thread on the camera.
The thread is nominally 1 inch (25 mm) in diameter, with 32 threads per inch, designated
as "1-32 UN 2A" in the ANSI B1.1 standard for unified screw threads. The flange focal
distance is 17.526 millimeters (0.6900 in).
Table 3-1
lists all possible lenses.
Lens configuration
Bobcat 320
Gated
VIS lens 16mm f/1.4
OPT-000034
Standard
x
VIS lens 8mm f/1.3
OPT-000033
Optional
x
VIS lens 50mm f/0.95
OPT-000031
Optional
x
SWIR lens 8mm f/1.4
OPT-000089
Optional
x
SWIR lens 12.5mm f/1.4
OPT-000106
Optional
x
SWIR lens 16mm f/1.4
OPT-000107
Optional
x
SWIR lens 25mm f/1.4
OPT-000108
Optional
x
SWIR lens 35mm f/1.4
OPT-000109
Optional
x
SWIR lens 50mm f/1.4
OPT-000110
Optional
x
SWIR lens 75mm f/2.0
OPT-000025
Optional
x
SWIR lens 100mm f/2.0
OPT-000026
Optional
x
C-mount extender rings
OPT-000119
Optional
x
Table 3-1 Lens configuration
