Re: [Paddlewise] FW: paddling at night

The white LEDs from Nichia have a very distinctive blue/white light and they
are easy to install in standard flashligght bulbs.

cya


-----Original Message-----
From: Chuck Holst <CHUCK_at_multitech.com>
To: 'Paddlewise' <paddlewise_at_lists.intelenet.net>
Date: Wednesday, March 03, 1999 3:04 PM
Subject: [Paddlewise] FW: paddling at night


>
>>>
>    This might open up another can of worms.......  LEDs have a specified
>brightness that is also spec'd with an angle of viewproduced by having a
>small reflector behind the active chip. Spread that energy over a wider
>angle and what's seen by an observer would be far less. So as a small
>source for reading a compass or a map, they'll do fine. As a marker or
>beacon, though, they may be found wanting.
>>>
>
>True, but one of the desired features of a personal LED marker is not
>being so bright as to ruin a fellow paddler's night vision, so in that
>application, the low luminance of an LED is an advantage. Also, one
>could diffuse the light and improve the angle of view somewhat by
>lightly sanding the LED's epoxy lens. For navigation markers on the
>kayak, high intensity LEDs are now available that could be treated
>the same way. Nonetheless, I would still wear a headlamp at night for
>signaling other watercraft.
>
>Chuck Holst
>
>
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