Philips X-tremeVision Pro150 H7 car headlight bulb +150%, set of 2

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It’s a missed opportunity because the good bulb was on for a podium finish, topping 200 metres in the distance test and scoring close to its winning stablemate for maximum brightness. It’s an unusual, if not unique, set-up, but the results have been corroborated by tests at parent company Osram’s conventional light tunnel in Germany, which we have used in the past.

Where the Philips RacingVision GT200 surpasses its predecessor, the RacingVision range, for light output, it does so at no cost to bulb lifespan.I have had two Blaupunkt head units earlier with me and while I have no complaints about it, it isn't what it was before. By replacing bulbs in pairs, you save time and cost, avoid the risk of headlight failure, benefit from a brighter and better balanced beam but above all, you make driving safer for yourself and your loved ones. And as you don't have to strain to see the terrain ahead, brighter lights make for a more comfortable and exciting night-time drive. This Ring was close to the 200-metre mark in the distance test and pipped the uprated Osram for maximum brightness.

Am planning to keep some part of the journey intentionally in the night, on the Pune-Mumbai express way (which is usually pitch dark). Only a burning bulb made of quartz glass (filament 2650°C, glass 800°C) can resist thermal shocks, such as when a drop of cold water touches the hot bulb, which can happen when you drive through water with a broken headlight unit.Reason behind choosing this (for now): I too was looking for better halogens, but BHPian Behemoth advised that there wouldn't be significant improvement. As the Xtreme Vision is a Halogen bulb, it uses Xenon gas to boost brightness without having to increase wattage or the kelvin Rating.

Philips may have taken both wins here, but it has not all been plain sailing because a poor sample, which failed to meet the minimum ECE light output, meant we did not rate the Xenon Vision. Amazingly, where the RacingVision already boasted a huge illumination increase (up to 150% brighter than standard), the RacingVision GT200 achieves a miraculous light up to 200% brighter than a standard halogen bulb. It came as no surprise that both samples failed to reach the minimum light levels by a significant margin.With the capability to withhold increased pressure inside the lamp, UV-quartz glass is able to produce more powerful lighting. These bulbs also topped the 150-metre mark in the distance test, although they were an average of two metres shy of their stablemate.