the Macbeth Lens
https://1.bp.blogspot.com/-CXGri3LGA...00/utyuhij.JPG
https://justacarguy.blogspot.com/202...ard-of-it.html What to think? On my own car I crippled the LED headlights because they don't have the low-beam cutoff of the Hella H-4 Halogens. (I also don't think they have the reach for reflectors way down the road.) https://ecomodder.com/forum/member-f...6-100-0918.jpg Now, one wonders: would a flat piece of Fresnel lens serve? Note the text: 72 hours to manufacture and they sell for $5.00. |
would a
optics and electromagnetism were some of my weakest subjects in physics. I'll be useless to you.
The 'bottom' of the parabolic reflector can be a source of light pollution though. Some of the 'blackout' schemes for headlights in WW-II involved shielding all but the center of the lamp. |
I Have thought of fresnel lenses to turn the output into a parallel beam.
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