Background Info, Reviews, ...
Summary (as of 2003 February):
Advantages and Disadvantages of various colors of LED flashlights
Note : comparisons are between similar LED products.
A look-alike product may be substantially dimmer.
Best visibility after white and brighter than white.
Green detected by human eye at lower intensities than red.
Does not disrupt night vision, medium power consumption.
- Red: Does not disrupt night vision, low power consumption.
Good for safety and signaling.
However, various contrasts disappear (maps and terrain)
- White: best for reading and viewing natural colors.
High power consumption. Not as bright as green.
However, disrupts night vision.
- Yellow : Dim. Extremely low battery consumption.
Between red and white. Low light bounce back.
- Blue : brightest light, medium power consumption.
Preferred by many emergency workers.
However, some contrasts disappear, for example,
often not useful for finding things in a box.
Various Manufacturers and Interesting Models