Camera Exposure Step Chart
Use a second device or printed/displayed target in the camera frame and compare whether tonal steps remain visible.
Camera exposure reference — inspect whether dark and bright steps remain distinguishable
CSS screen—
Viewport—
Pixel ratio—
Refresh estimate—
DeviceOK can display patterns and estimate browser frame timing, but visual panel defects still require your inspection and professional measurements require dedicated hardware.
What happened?Choose the result you observed.
Privacy: The reference pattern is generated locally.
What this test tells you
This test checks
- Highlight clipping by visual inspection
- Shadow separation
- Auto-exposure stability when used with a camera
How to read the result
Display characteristics affect the target, so this is a practical reference rather than calibrated exposure metrology.
Professional exposure/color evaluation requires calibrated equipment.