Whats the differences between these phospohers? also are there any I've missed? I hear people going around talking about all these different phosphors but I have not a clue what they look like what they're made of or their efficiacy etc etc... Can someone shed some light?

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.. LOL i knew i missed some... Forgot about /Y,/R and /X ones... thats the kindof list i was looking for... Thankyou Good Sir! what would BLB MV lamps be? /BLB??

Looks like there are different grades of DX out there too, or maybe different quantity applied in the lamp

Back in 2001 when i acquired my first Mercury lantern, i got a lamp for it - Philips HPL-N made in Belgium. The lamp made powerfull Pink glow when starting and good looking light

A while back i dug the lantern out of collection and installed it for use again, but this time with an Osram HQL made in China (the old Philips is saved in collection). The new lamp have much less Pink at startup and its light is a bit colder, and lacks "something" so it seems