The exterior was designed by Olivier Boulay in 1991, during his tenure at Subaru. The second-generation Subaru Legacy was marketed in Japan from October 1993, and July 1994 (for the 1995 model year) marked the second generation in North America with a full body and chassis revision. Fogs by design are supposed to be low intensity, widely dispersed beams.FF layout 1993–1995 standard continued to be standard until 1999 in Japan and Europeį4 layout 1995 optional, continued to be optional until 1999 in Japan and EuropeĢ.0 L DOHC twin turbo EJ20 276 hp (206 kW) In these conditions you actually don't want bright light, as too much light will cause glare for other drivers and cause light to reflect and refract back into the vehicle operator's own eyes hurting their ability to see. Technically fogs are intended to be turned off when you're not in poor weather conditions. Their sole purposes are to light up on the lane markers on either side of the car so you can stay in your lane and to help illuminate obstacles in the careful, slow speeds you'll be driving at in dense fog or rain. People think that fog lights are auxiliary lights meant to supplement low beams. Your eyes adapt to increases in foreground light by constricting your pupils, which hurts your ability to take in light from everywhere else. When you only boost foreground light, as in the case of LEDs in stock fogs, you're taking away from your ability to see where it matter most at night: down the road. Dialing up foreground light is not a good thing and even worse when it's not also accompanied by large increase in light being sent further down range. What matters is an increase is usable light. People often get confused into believing that more light = better visibility, but that's wildly wrong and can actually be the other way around. I'm having a hard time figuring out how to address the other part of that because I don't really understand where you were going with it. This is why no reputable shop who does custom headlight work will ever recommend them. On the contrary, I've said that LED bulbs in halogen optics produce less usable light. I've never said that factory LED headlights produce less usable light than halogen headlights. I'm a bit lost on where you got any of that out of anything I've ever posted. This works in most cars still, you turn the headlights off and leave fog lights on, but most people don't do this and turn both on or never turn off fog lights because they like the look it gives.Īnother thing to note is that if you are using fog lights to see they are intended to light up a small portion in front of your car and they assumption is that you are moving slowly. When fog lights became a thing they were intended to be turned on and your primary lights turned off, this reduced the total light and left you with light you gained more from. As far as reflective light your eyes can handle yellow better than white so it doesn't cause as much strain. There was no denying yellow gave better visibility to objects in heavy fog. I bought my car with yellow fog lights and swapped to white light after a few months. True, but with them being lower and having the right bulbs (not just yellow tinted) it will still allow you to see better. For this reason fogs lights are actually designed to spread the beam out as much as possible and they typically use lower wattage bulbs so that the intensity is reduced. If you're using stock halogens that light is yellow, but it will still create a wall of light that's hard even for you to see through. Imagine driving in dense fog with your high beams on. In poor weather you don't want too much light as even though it's yellow, the light still reflects and refracts off water vapor and gets sent into other drivers and your own eyes. Even in clear weather these are going to glare quite a bit. The problem here is the amount of light and the fact that the optics don't focus that light properly they were intended for heated filaments, not diodes that emit directional light. Yellow light will offer more contrast, especially in fog.īut I don't see how you're calling out anything I've said as false. Due to the longer wavelength of yellow light it's less prone to scatter than white/blue light.
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