>On 13 Dec 2003 at 22:57, Andrew Grebneff wrote:
>
>>  >Except that if you are coming towards me a**holes like me will
>>turn on their
>>  >brights and leave them on 'til you get by.  They are way too bright.
>>
>>  HID lights are stock or optional fitment in quite a few cars such as
>>  upmarket Toyotas (Lexus) and BMWs.
>
>Yup, those are the ones.  The problem seems to be they are approaching a point
>source with the smaller lens system.  More lumens per square cm.  If
>they had a
>spec that said they had to have the same lumens/cm2 as the traditional bulbs,
>I'd bet the issue would be minimized.

To do that would add further complexity... it would require
magnifying optics to broaden the aperture, which would also introduce
diffraction, refracrtion problems and reduce the beam quality and
increase scatter. And increase costs...
--
Andrew Grebneff
Dunedin, New Zealand
64 (3) 473-8863
<andrew.grebneff@stonebow.otago.ac.nz>
Fossil preparator
Seashell, Macintosh & VW/Toyota van nut