SPY-9-2733-Xy-zzz

X = W : + SPY TUBE white
X = B : + SPY TUBE black
X = M : + SPY TUBE gold matt
X = S : + SPY TUBE silver grey

y = a : + HONEYCOMB 50
y = b : + LINEAR SPREAD LENS 50
y = c : + SPREAD LENS 50
y = d : + SOFTENING LENS 50
y = e : + GLASS SBL 50

zzz = 350 : @ 350mA (only IES files, LDT file contains both)
zzz = 500 : @ 500mA (only IES files, LDT file contains both)