How to define a new glass material in Zemax ?

Hi
I wanna define a new lens material with n=1.786 and V-no is 50.0 ,
Do u know how to add such kind material in zemax ?
Thank you very much ! :em25:

try to find it in your zemax manual.
if you can type english so clear and well
I think you can make it work by yourself.

haha