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6

For search party purposes, bigger is almost always better, both from the perspective of the lost individual - he/she may be able to see the light from a distance and make themselves more visible or move towards the light, and from the searcher trying to see their target, perhaps an unconscious individual - spotting clothing or non-natural material is much ...


2

I'd think that it will depend very much on what you search for: do you expect the person to respond, e.g. put up whatever scrap of reflective material they have with them when they see your search-light? In that case, and open landscape a highly brilliant lamp would be good: you could sweep a large space slowly with such a light and look for reflections. ...


1

If you decide on something really bright, check out scuba diving lights. They are made extra tough, extra bright and are waterproof. And, you want to carry two: One bright one for searching and a smaller one for reading something, examining a person for injuries, etc. You also want the smaller one as a backup just in case something happens to the larger one. ...


1

With regards to searching or SAR, I think @Rory Alsop, hit the nail on the head. You really want a brighter and wider field of light when searching for someone. However, as an avid backpacker, you don't need that many lumens. So... if you are searching for a path or night hiking, I use a 70 lumen headlamp that has worked fantastically well and when I need to ...



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