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Tech Articles

Halogen, HID or LED

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Halogen: Being able to reliably generate light with limited resources at a car’s disposal was a big problem for automotive engineers. Tungsten filaments like the ones commonly found in household incandescent light bulbs, were found to be the solution at the time. From around the 1950’s up until now these filaments have been encased in a glass bubble of halogen gas, in an attempt to improve performance and longevity. This is your standard sealed beam. For the majority of their life, halogen lamps focused light down the road ahead via a lens that actually doubled as the headlight’s protective housing; now...

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Aiming Your Headlamps

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AIMING PROJECTOR HEADLIGHTS The bright light produced by projector headlights can create a dangerous situation if the headlights are not properly aimed. When projector headlights are aimed too high, they can blind oncoming traffic. If they are aimed too low, road visibility is impaired. Achieving precise headlight alignment is simple and does not require professional installation. Just follow these steps to calibrate the beam pattern.Here’s what you’ll need: Flat parking surface Vertical Surface (a wall) Owner's Manual Measuring tape Screwdriver Carpenter's level Masking Tape Step 1:First you'll need a smooth vertical surface you can project your lights onto. Park the...

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Fake Projectors and other lighting choices

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If you want to learn about H4 conversions or Projectors check out our education page on Housings.   Imitation projector headlamps are basically an H4 conversion with a plastic lens mounted over the bulb. This is made to look like a projector, but because the bulb is no longer has a bowl in front to guide the light toward the housing, the reflection off the housing itself is of VERY poor quality. This setup is worse than a standard H4 conversion and is not recommended. As you can see by the picture, the light is scattered and often misdirected into the eyes of oncoming traffic....

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History of Headlamps

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There are many different types of headlights. We have chosen a few of the most popular and written a small introduction on each housing. It's important to remember there is no perfect headlight and that you should pick a headlight that best suits you. If you have any questions or want to learn more about headlights not listed here, please give us a call or shoot us an email at: (415) 493-8236 or info@dapperlighting.com Sealed Beam: Almost all vehicles prior to 1985 were mandated to use sealed beam headlamps. These lamps were dual filament bulbs that had a reflector and lens hermetically sealed together. If you...

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