Actually pilla dont rob you , the the lens have loads of extras on them which castellani ones dont. You defiantly get your moneys worth :)
For example :
A. HYDRO-PEL
B. FLASHING
C. ADHESION COATING
D. PRIMER ADHESION COATING
E. VIVX LENS
F. PRIMER ADHESION COATING
G. ADHESION COATING
H...