Camera Repairer how-to
How to Clean a Camera Sensor Safely
Sensors scratch easily.
Quick answer
Sensors scratch easily. In short: use; lock; use, then complete the remaining steps below.
Step by step
Use a blower first.
Lock the mirror up.
Use a sensor swab.
One pass per side.
Check with a test shot.
Repeat only if needed.
Safety reminders for camera repairers
- Use ESD protection
- Handle flash capacitors carefully
- Protect eyes
- Ventilate cleaning solvents
Key terms
Sensor · Shutter · Aperture · Autofocus · Collimator · Front focus: see the full camera repairer glossary.