Night Vision: What Maintenance Does Night Vision Equipment Require?
Night vision is relatively low-maintenance but some basic care dramatically extends device life.
Cleaning the optics:
• Use a lens brush (air puff or soft brush) to remove loose dust and grit before any wiping
• Clean with a proper optical cleaning cloth and lens-safe solution — never use paper towels, clothing, or household glass cleaners
• Clean objective and eyepiece lenses; the image intensifier tube window (inside the housing) should not be touched
Storage:
• Store in a dry location — silica gel in the case helps
• Remove batteries for extended storage (more than 2–3 months) to prevent corrosion from battery leakage
• Never store in a car in summer — interior temperatures can exceed 70°C, which can damage the tube and electronics
• Avoid magnetic fields near the device (near speakers, strong motors)
Operational handling:
• Avoid dropping — the image intensifier tube is fragile
• Do not operate in rain without confirming the IP rating; many tube-based devices are not fully waterproof
• Do not leave operating in bright conditions (see Q16)