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Tube Specifications

Image Intensifier Tube
Typical Values

FOM2100

XR5
(FOM2000)

Gen III 
OMNI IV
(FOM1600)

XD4
(FOM1450)

SuperGen
(FOM1100)

 Gen III
Surveillance
(FOM1000)

 HD
(FOM1000)

Gen III
Standard
(FOM875)

FC
(FOM850) 

Gen III Commercial
(FOM650)

GEN 2 Plus
(FOM450)
Photocathode Sensitivity uA/lm

2100

2080

2250

1820

1560

1500

1430

1350

1300

1100

1150
Limiting resolution lp/mm

68

72

64

64

54

51

51

45

45

42

36

Signal to Noise

31

28

22-25

23

21

19.5

19

19.5

19

15

12
Luminous Gain 
(fl/fc@2x10¯6fc)

-

-

45-65K

-

-

45-65K

-

45-65K

-

25-35K

-
MTF Contrast at: 2.5 lp/mm

-

94%

90%

 92%

88%

-

 -

 -

-

-

86%
MTF Contrast at: 7.5 lp/mm

-

85%

82%

80%

-

-

 -

 -

-

-

58%
MTF Contrast at: 15.0 lp/mm

-

70%

61%

68%

-

-

 -

 -

-

-

28%

E.B.I (Dark noise)

0.25 µlx

0.25 µlx

0.15 µlx

 0.15 µlx

0.15 µlx

0.15 µlx

0.15 µlx

0.15 µlx

0.15 µlx

0.15 µlx

0.15 µlx
Tube format

18mm

18mm

18mm

18mm

18mm

18mm

18mm

18mm

18mm

18mm

18mm