A flash tube reflector able to distribute light of the flash tube evenly is disclosed. The reflector is a vertical portion of an elliptic cylinder extending along an Y-axis. A cross section of the reflector along the XY plane is a portion of an ellipse. A zenith E at the reflector intersects the X-axis....http://www.google.com/patents/US6739739?utm_source=gb-gplus-sharePatent US6739739 - Flash tube reflector