The modification of the Maglite 3 "D" that is made by black bear (a.k.a. white bear in this Forum) continues to amaze hunters and other users with it tremendous output.
The regular Maglite 3 "D" output 39 lumens, the modification using special batteries, superbulbs, reflector and lens, output
951 lumens.
For a idea of what it looks like look at these pictures:
Regular Maglite 3 "D" beamshot
MAG 951 Beamshot
More information about this flashlight can be get from this link:
http://www.thehighroad.org/showthread.php?t=125447
Best regards
White Bear