Cohu Electronics
5930 Series Thermal Camera User's Manual
Cohu Electronics
P
AGE
7
OF
17
3912 Calle Fortunada
San Diego, CA 92123-1827
Phone: 858-277-6700
Fax: 858-277-0221
Table 4 - Fixed Focus Lenses
Cohu Part
Number
Focal Length
Minimum Focus
Distance
Field of View (H x V)
T013
13mm
2 inches
69
º
x 53
º
T025
25mm
12 inches
36
º
x 28
º
T050
50mm
24 inches
18
º
x 14
º
T075
75mm
30 inches
13.5
º
x 10.5
º
T100
100mm
36 inches
9
º
x 7
º
T200
200mm
120 inches
4.5
º
x 3.5
º
The front lens plate has a machined groove designed specifically to interface to an O'Ring
installed on the f/1.4 lenses to ensure the water resistance rating of the camera. See Figure 2 for
lens mounting interface specifications.
Figure 2 - Lens Mechanical Interface
1.5
Camera Performance
The Camera meets the performance parameters listed is Table 5.
Table 5- Camera Performance
Performance Requirement
Specification
Non-Uniformity Correction
< 0.0025
Noise
< 3 Counts
NEDT (f/1.4 Optic and FPA)
< 100 mKelvin
Operability
>99.5%