WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
Nature The World Movies USA Top Art Fine & Rare History Ivy & Inquiry
Night-vision device
Videos
A night-vision device, also known as a night optical/observation device or night-vision goggle, is an optoelectronic device that allows visualization of images in low levels of light, improving the us
A US Navy aviator uses a pair of helmet-mounted AN/AVS-6 vision goggles. The effect on the natural night vision of the eye is evident
A US Navy aviator uses a pair of helmet-mounted AN/AVS-6 vision goggles. The effect on the natural night vision of the eye is evident
A standard telescopic sight augmented with a night-vision device in front on the M110. Note that in addition to the image intensifier, the NVD gathers
A standard telescopic sight augmented with a night-vision device in front on the M110. Note that in addition to the image intensifier, the NVD gathers much more light by its much larger aperture
A 1PN51-2 night-vision reticle with markings for range estimation
A 1PN51-2 night-vision reticle with markings for range estimation
An M16A1 rifle fitted with the AN/PVS-2 Starlight scope
An M16A1 rifle fitted with the AN/PVS-2 Starlight scope
Night vision
Videos
Night vision is the ability to see in low-light conditions, either naturally with scotopic vision or through a night-vision device. Night vision requires both sufficient spectral range and sufficient
Night-vision device
…device (NOD) or night-vision goggle (NVG), is an optoelectronic device that allows visualization of images in low levels of light, improving the user's night vision. The device enhances ambient visible light and converts near-infrared light into visible light which can then be seen by humans; this is known as I2…
Two American soldiers pictured during the 2003 invasion of Iraq seen through an image intensifier.
Two American soldiers pictured during the 2003 invasion of Iraq seen through an image intensifier.
The pupil of the eye dilates in the dark to enhance night vision. Shown here is a pupil of an adult naturally dilated to 9 mm in diameter in mesopic l
The pupil of the eye dilates in the dark to enhance night vision. Shown here is a pupil of an adult naturally dilated to 9 mm in diameter in mesopic light levels. The average human eye is not able to dilate to this extent without the use of mydriatics.
USMC M3 Sniperscope assembled on a M3 Carbine. Introduced during the Korean War, it was an early active infrared night vision equipment powered by a l
USMC M3 Sniperscope assembled on a M3 Carbine. Introduced during the Korean War, it was an early active infrared night vision equipment powered by a large 12 volt battery that was carried in a rubberized canvas backpack.
An M60 tank with an infrared searchlight mounted on the cannon.
An M60 tank with an infrared searchlight mounted on the cannon.