tdw wrote:
Pete,
I've not tried it in situ as to date I've not been out and about on a dark
enough night away from the city lights but I suspect you are correct. With

Pete

how about an aircraft cockpit light. they usually have coiled cables
and a collet that
changes the light from white to red. usually for a 24 volt system
hence half the lumens at
twelve. maybe an inexpensive varity?

steve