a.If one side of your lens is flat,what is the radius of curverture of that side? b why should the centre of your patter
Posted: Sat Jul 09, 2022 11:59 am
a.If one side of your lens is flat,what is the radius of curverture of that side?
b why should the centre of your pattern be a black dot.
b why should the centre of your pattern be a black dot.