Spherical Third-generation Night Vision Image Intensifier

Spherical Third-generation Night Vision Image Intensifier

Features: Inverted Image Output, Spherical Output Surface

This type of third-generation low-light image intensifier adopts a light-shielding glass with anti-halo blackening as the input window and a fiber optic inverter as the output window. The output surface is SR40mm concave spherical, and the output image is inverted by 180° compared to the input image.

Spherical Third-generation Night Vision Image Intensifier

Mainly used in direct-view low-light night vision devices. The performance is graded as follows:
Performance Parameters 04 05 06 07 08 09
Resolution lp/mm Ultimate Resolution 51 55 61 64 64 64
High Light Resolution
(@100lx)
5 5 5 5 5 5

Sensitivity

2856K Light Sensitivity
1600 1600 1800 1800 2000 2000

880 Radiant Sensitivity
90 90 95 95 95 95
Signal-to - Noise Ratio (SNR) 25 28 28 28 28 30
Lumi nance Gain( cd/m2/ lx 8000-20000 11000-20000 11000-20000 11000-20000 12000-25000 12000-25000
Equivalent Background Illumi nance( × 10-7 lx) 2.5 2.5 2.5 2.5 2.5 2.5
Output Lumi nance (cd/m2@ 1lx~ 10lx) 4-8 4-8 4- 12 4- 12 4- 12 6- 12
Lumi nance Uniformity(@2856K 3:1 3:1 3:1 3:1 3:1 3:1

MTF
2 .5lp/ mm 88% 88% 88% 89% 89% 89%
7 .5lp/ mm 68% 70% 72% 74% 74% 74%
15lp/ mm 42% 46% 54% 60% 60% 60%
25lp/ mm 22% 25% 30% 35% 35% 35%
Working Lifetime (h) 7500 7500 7500 10000 10000 10000
Operating Voltage  V 2.2-3.4 2.2-3.4 2.2-3.4 2.2-3.4 2.2-3.4 2.2-3.4
Weight g 80 80 80 80 80 80
Compact High-Voltage Power Supply DC High-Voltage  Power Supply or Automatic Door Control Power Supply
Effective Cathode Diameter( mm Not Less Than 17.5
Electrical Connection End Leads
Fluorescent Screen Type P43 or P45


Note: When selecting the optional automatic door control compact high-voltage power supply, this specification should be not less than 32 lp/mm.
 


视场清洁度分级
暗点尺寸
μm
H S
Ⅰ区 Ⅱ区 Ⅲ区 Ⅰ区 Ⅱ区 Ⅲ区
381 0 0 0 0 0 0
305  381 0 1 1 0 0 0
229  305 0 1 2 0 0 0
152 229 1 2 3 0 1 1
76 152 3 4 5 0 2 2

Note: For details on field zoning and dark point specifications, please refer to the overview page on field cleanliness. Performance grades and field cleanliness grades can be combined and matched

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