Camera flash
A camera flash is a brief, intense burst of light used to illuminate a scene for photography.
How big is it?
1 ms · time
Time · reference interval

A little perspective
Camera flash vs Blink of an eye: duration comparison
A blink of an eye lasts about 150 times as long as a camera flash.
ELAPSED TIME
A camera flash is a brief, intense burst of light used to illuminate a scene for photography.
A blink of an eye is the quick closing and opening of the eyelid, usually happening involuntarily.
Measurements, assumptions & sources +
Camera flash
Time: 1 ms; reference interval.
A chosen 1 ms flash duration; equipment varies.
Defined examples — our methodology
The marked time is calibrated. Unmeasured illustration details are representative.
Blink of an eye
Time: 150 ms; reference interval.
A chosen 150 ms interval, not a universal blink duration.
Defined examples — our methodology
The marked time is calibrated. Unmeasured illustration details are representative.
Use the visual comparison to explore its scale, then check the measurements and sources.
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Why this measurement?
Why we use 1 ms
We compare the duration of a camera flash. The measurement is labelled reference interval. Check the source notes for its basis.
A chosen 1 ms flash duration; equipment varies.
The picture identifies the subject; the diagram compares the recorded values. How calibrated comparisons work →
Recorded properties
Dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 1 ms | Not recorded | reference interval |
Around this scale
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Compare examples with lower, similar and higher values. Each card names the measurement being compared.
Sources and method
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The source records and measurement method remain available for inspection.
There’s always another scale
