Headlights

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Originally Posted by PaulE

I'm not weighing in on the requirement or need for the diffusing lens, but I have a question. But I note that Volvo headlight has something solid right in front of the top of the halogen bulb. My Acura TL has projector low beams and halogen high beams. The halogen high beams also function as the daytime running lights at much lower wattage. The Acura's halogen bulbs also don't have an inner diffusing lens, but they have something similar in front of the top of the halogen bulb.

Could the cover in front of the halogen bulb also act as kind of a diffuser? Also, most of the halogen bulbs I've seen have the top of the bulb frosted a dark gray while the rest of the bulb is clear.

The cover is a dual purpose light and heat shield (doesn't function as a very good heat shield in our cars).
All halogen bulbs are dipped in a light blocking paint at the tip so that light is emitted only at the sides, so the light blocker is redundant.

Anyone with burnt inner lenses could try removing them, if they don't want to install projectors, and view the results before sealing them back up.
No need to take my word for it.


That's my last word on the subject. Have fun