4143x822-XXX-Yz.ldt

XXX = 350 : 350mA (only IES file, LDT file contains both)
XXX = 500 : 500mA (only IES file, LDT file contains both)

Y = B : Spy Tube BLACK
Y = MMAT : Spy Tube GOLD MAT
Y = W : Spy Tube WHITE
Y = SG : Spy Tube SILVER GREY

z = ' ' : no accessory
z = a : + HONEYCOMB
z = b : + LINEAR SPREAD LENS
z = c : + SPREAD LENS
z = d : + SOFTENING LENS
z = e : + GLASS SBL