"Dave Plowman (News)" wrote in message
...
In article ,
dennis@home wrote:
A sharp cutoff is achieved with a french flag. Many many cars with
halogen and HID units do this. LEDs will be no different. It's down to
the optics, not light source.


What makes you think LEDs need a baffle to throw half the light away?

What makes you think there's another way of doing it? Not a knowledge of
optics, obviously.

So do you know the difference between a filament and a silicon junction?