Light conversion

[Robert Myers]

Well get crackin', Larry, so's you can 'splain it to the rest of us 
illiterati.  ;-)


At 04:18 PM 1/8/2008, LL - NY wrote:
>Bob,
>
>Been meaning to try this, in my spare time....Bwhahahahahah.
>
>You would "simply" need to relieve the mask, but inverted to the 
>pattern projected.
>However, I believe that Igor K tried this, and found that relocating 
>the mask in it's appropriate location was MUCH more difficult than 
>it sounded, resulting in a blurry cut-off. Seeing that the focal 
>length of the lamps is actually pretty short, extreme precision 
>(including the perpendicularity of the mask to the beam axis) would 
>be necessry, so you'd want something akin to micrometer screw drives 
>to locate the mask on re-assembly. I've been meaning to try this on 
>a set of TT projectors I landed for free from a wreck, but I have 
>never tried it yet.
>
>YMMV,
>
>LL - NY
>
>
>On 1/8/08, Robert Myers <<mailto:bob at chips-ur-s.com>bob at chips-ur-s.com> wrote:
>
>Hi Y'all,
>
>It's a bit of a complicated story so I won't try.
>
>Question #1:
>Have you ever modified the low beam pattern of your DOT lights (flat
>left side w/ center step to flat on right) to the Euro pattern (flat
>on left and rising to right from center)?
>
>Question #2:
>What modification of the internal mask was required?
>
>I guess you can figure where I'm heading with this one, eh?  ;-)  HID
>capsules and Euro lenses have been installed and work well but I'm
>not happy with the DOT beam pattern.
>
>Bob
>
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