Originally Posted by jdub765
You can also use an archery sight light and have it shine on the fiber. Archery sights use fibers too and many of the lights have built in rheostats to control the brightness. They're about $15.
I remember something like that in the military. We had C-More scouts and Trijicon Reflex sights. We got these clip-on lights for the Reflexes due to wash out. It provided a constant light source.
I never got to use one. I only used a C-More.