2005Monitors forum
Measuring and comparing LCD monitor brightness using standardized units
21 years old. Gear and prices may have changed since.
What the thread found
- Nits and Candela per square meter are equivalent units for measuring monitor brightness.
- A monitor requires at least 800 Nits of brightness to remain visible in direct daylight conditions.
- Contrast ratio significantly affects perceived visibility in bright environments, with higher contrast requiring less absolute brightness to be visible.
- Anti-reflective coatings on the monitor surface are as important as raw brightness specifications because reflections can severely reduce image visibility regardless of brightness output.
- Most LCD monitors have contrast ratios around 200:1, and improving this ratio reduces the brightness requirement for daylight visibility.
Depends on
- The 800 Nits minimum for daylight visibility represents practical experience rather than a measured standard.
- Specific monitor models mentioned as examples are from 2005 and may not represent current technology.
- The relationship between contrast ratio and required brightness was described anecdotally rather than quantified with specific numbers.