Any customer information held on our computers complies with the rules and laws contained within the Data Protection Act 2018. The reactive lighting sensor is the circle to the right of the main light 3. Petzl Swift RL headtorch Reactive Lighting Technology The beam itself is worth focussing on for a moment. Much though lumens are useful in establishing how bright a torch is, it is just as critical to know how the headtorch uses that light. The SWIFT RL balances the requirements of the climber, runner, skiier and mountaineer, with a good blend of flooding in the foreground and a strong, focussed beam giving you the distance too.

Petzl Swift RL head torch for runners and walkers Review: Petzl Swift RL head torch for runners and walkers

Lumens: This is a measure of the output of a light in terms of brightness. The higher the number, the brighter the output. Standard lighting should need no introduction, because it's what we've all been used to for years: you turn on the head torch and that's that. Since then there have been leaps and bounds of development, and we now have more choice of torches than ever before. You can go all out for lumens, or opt for a longer battery life; you can make it simple and lightweight, or dazzle yourself with a plethora of modes and settings; some torches have inbuilt USB-rechargeable batteries, while others even connect to your phone for programmable control. Petzl has long been a leader in lightweight, high-lumen head lamps. I reviewed the Petzl Actik Core a couple of years ago.

Who Is The Petzl Swift RL Headlamp For?

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Petzl Swift RL or NAO+ - UKClimbing UKC Forums - Petzl Swift RL or NAO+ - UKClimbing

In a nutshell, it uses a light sensor to automatically adjust the strength of light depending on how much light is around you. When cycling from dark moors into towns, or running from woodlands to well-lit roads, it’s a really useful feature. Ordinarily, I wouldn’t think to change the brightness level, and so it does mean you get a much longer burn time. We've already run through the various modes in Brightness and Burn Time, so I'll avoid repeating myself on that front. The Swfit is said to be “weather resistant”. This is not waterproof although I have taken the torch out in Scottish rain and it seems to remain operative.I am told (by the brand representative) that I am very firmly in a minority of people who don’t rave about the Swift and the reactive beam, but there you go. I am simply stating my opinion and how I have found the head torch. I have tested many head torches over the past decade so I feel qualified to say what works and doesn’t work so well. The thought behind the Swift is that you have two headlamps in one, a light/bright “standard” headlamp or a light/bright/extended burn time reactive headlamp, but I don’t think I’ll use the reactive mode as much as I had hoped I would.