| IIT Generation | Gen2 | Gen2+ |
| Photocathode type | Multi-alkali S25 |
Multi-alkali S25 |
| Photocathode type uA/ lm |
250~400μA/lm |
500~705μA/lm |
|
Resolution lp/mm |
40~60 |
45~72 |
|
Signal-to-noise dB |
17~25 |
20~30 |
| FOM | 800-1200 | 1200-2000 |
|
Spectral response |
380~900nm (Visible light to near-infrared) |
380~1100nm (Extended near-infrared) |
|
Luminous gain cd·m⁻²·lx⁻¹ |
8000-12000 | 10000-20000 |
|
Strong light protection |
Yes |
Yes |
|
Performance Positioning |
Basic high-performance night vision devices |
High-end near-Gen3 night vision device |
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