Image Intensifier Tube
The core analog component that amplifies available light.
FOM
Figure of merit; a common performance metric based on resolution and signal-to-noise ratio.
SNR
Signal-to-noise ratio; higher values generally mean cleaner images in low light.
IR Illuminator
An infrared light source used to improve visibility for night vision devices.
Thermal Imaging
A technology that detects heat signatures rather than amplifying visible light.
Digital Night Vision
Sensor-based devices that display low-light images on a screen.
Monocular
A single-eye device such as a PVS-14 style setup.
Binocular / Dual Tube
A two-eye system that can improve depth perception and navigation comfort.
White Phosphor
A display color style many users prefer for perceived contrast and comfort.
Green Phosphor
The classic night vision image color associated with many analog systems.
Halo
A glow around bright points of light in the image.
Blemish
A spot or imperfection visible in an image intensifier tube.
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