| 1. | After the development of X-ray image intensifiers, the images were ambient light.
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| 2. | The AN / PVS-4 uses a 25mm screw-type variable-gain Image Intensifier tube.
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| 3. | Later improvements to the image intensifier created the " Leopard 1A1A4 ".
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| 4. | Updated thermographic optics and image intensifiers gave greater visibility and battlefield awareness.
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| 5. | Optical feedback is also found in the image intensifier tube and its variants.
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| 6. | Third generation image intensifiers are standard for military night vision.
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| 7. | Modern image intensifiers no longer use a separate fluorescent screen.
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| 8. | When first introduced, the vehicles were fitted with passive Image intensifier night vision sights.
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| 9. | The PVS-7 is auto-gated to prevent image intensifier damage if exposed to intense light.
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| 10. | These cameras consist of an image intensifier, CCD sensor and an integrated delay generator.
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