Recent content by el Capitan

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    Most efficient 6V LED 200-1000lm

    What would be the most efficient lm/Wt 6V white LED for lower power operation between 200-1000lm? Currently looking at XHP50.2 however I'd like to make sure I'm not missing any serious contenders.
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    How to waterproof Carclo triple optic?

    Perfect, thank you for the replies and photos, definitely puts my mind at ease. I'm looking at making a few of these headlamps for other people so it probably is a good idea to use AR glass lens for durability based on your comment about going cloudy.
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    How to waterproof Carclo triple optic?

    So I'm designing my own headlamp and wanting to use Carclo triple optic. However I'm a little unsure about how to design a waterproof seal into the face plate with this optic. As you can see in the schematics, there is absolutely zero clearance/overhang to lay an o-ring and clamp the face plate...
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    Different Optics on a Multi-LED Light?

    I'm interested to know the net result of running different optics on a multi-LED light. Do you potentially get the best of all worlds with a perfect all-rounder if you were to use a throwy + wide floody optic on a two-LED light (assuming you had the room)? Or do you just ruin a perfectly good...
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    Driver Recommendations

    I'm very interesting in designing my own headlamp for trail running, however my knowledge around drivers is still very limited. I want to use 18650 cells, either single or multiple in parallel - so we're looking at ~3.6V. The LEDs that seem to stand out are the XM-L2, XP-L2 and the XHP50.2 -...
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    Zebralight H600 Battery Extension

    Exactly what I was picturing in my mind. Possibly a lot more effort and design than what it's worth but it'd be a very interesting project. Has anyone successfully seen this done??
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    Zebralight H600 Battery Extension

    Has anyone successfully modded a ZL H600 series headlamp with an external battery pack? I've done a search and seen lots of ideas/comments about it circulating but no actual confirmation/pictures. I'd be super interested in adding a second 18650 in parallel to the back of the head strap, to...
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    Thrunite TH30, Armytek Wizard pro v3, Olight H2R, Rofis R3 Which better?

    I really like the versatility of the Rofis R3, two of them and you've got a flashlight + headlamp redundancy combo for outdoor adventures. What is the beam on it like though? I can't seem to find much info about how floody/spotty etc.
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    All-night run-time for Ultramarathons

    I just checked out Lupine and wowsers the price tags are certainly up there, very nice looking gear though with extensive options. Interesting you mentioned Spike Lights, I live in Aus and have had them on my radar for a while too. I've been trying to get in contact with them but no luck so...
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    All-night run-time for Ultramarathons

    Haha appreciated. I would like to know how you mount your modified battery pack extension though?
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    All-night run-time for Ultramarathons

    I really like the Acebeam H30, the single larger cell does make sense. The overall weight isn't bad at all, but my concern would be that all of it is at the front and I wonder if it will constantly drop down over your eyes with the repetitive bouncing - I'd be keen for an update once you've...
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    All-night run-time for Ultramarathons

    Hi all, first post here in CPF. I’ve been lurking in the background for some time now reading up and learning what I can. I still haven’t been able to find exactly what I’m looking for so I thought I’d just ask. I’m specifically looking for a headlamp for ultramarathons i.e running through...
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