700w Thorn Kolorlux MBF-R: Ignition & Full Power

1 x Thorn Kolorlux 700w mercury fluorescent lamp with an internal coating of Yttrium Vanadate phosphor as well as a layer of Titanium Dioxide which acts as a reflector and directs most of the light out of the front of the lamp but allows some to exit from the rear.
Shown moments after ignition on the left and at full power on the right.