Try this
http://www.the75andztclub.co.uk/foru...2&d=1393004919
Up to the point you need the car polish or duraglit then it looks like frosted glass, don't panic...
The only other thing I will say, if you have stone chips (deeper than 0.1mm deep) then you will need to get the lens reground properly, if you do not keep the thickness even you can effect the beam shape...