Observed arrival · 2026-10-29
Camera Health Lab’s Sensor Checks
A free browser tool screens camera test photos for suspected sensor dust and bright pixels, then marks areas to review.
- For
- Camera owners checking suspected sensor issues
- Worth noticing
- It asks for three separate test photos and explicitly excludes shutter life, battery health, water damage, and repair history.
Field notes
The dust check compares local brightness in a white-field photo and marks areas darker than their surroundings; texture, shadows, vignetting, and exposure can affect the result. The bright-pixel instructions specify a dark-frame test with an opaque lens cap, and warn that exposure, temperature, and image processing matter. The page says neither result proves physical sensor damage, and lists shutter life, battery health, water damage, and repair history as outside the check’s scope.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
One card from the complete issue