S66_93045_Xy

X = B : + SPY 66 TUBE BLACK
X = W : + SPY 66 TUBE WHITE
X = FG : + SPY 66 TUBE FLEMISH GOLD (also usable for GC/GOLD COLOURED and FBR/FLEMISH BRONZE)

y = a : + Honeycomb 57
y = b : + Spread lens 57
y = c : + Linear spread lens 57
y = d : + Glass SBL 57
y = e : + Softening lens 57