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    Cavers - The StenLight, Ultimate 2x3W LED Headlamp

    Touché! :touche:
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    Cavers - The StenLight, Ultimate 2x3W LED Headlamp

    I would say that the point of connection is always going to be the Achilles Heel of any lamp rig. I am reminded of the Spelotechnics system; I sometimes had connection trouble at the battery due either to oxidation or weakening of the recepticle. That stated, I find it difficult to believe...
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    Cavers - The StenLight, Ultimate 2x3W LED Headlamp

    There is no doubt in my mind whatsoever that the StenLight has undergone perhaps the best field testing of any cave light ever created. And, to boot, you even gave end users the ability to customize the output by changing out collimators. I am sure Sten went with the best generalized beam...
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    Cavers - The StenLight, Ultimate 2x3W LED Headlamp

    Excellent review, John. May I linky? Also, I got my www.ledsupply.com collimators in today. I ordered another 15, and a 25. My screen beam shots can be seen at http://www.pbase.com/darklightimagery/stenlight&page=all Be advised these screen shots were made by a rear projection technique...
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    Cavers - The StenLight, Ultimate 2x3W LED Headlamp

    That's what I thought, that the 25 might even it out. I ordered a 15 and 25. I wonder if the oval 5x20 could be modified to fit? CG
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    Cavers - The StenLight, Ultimate 2x3W LED Headlamp

    After physically inspecting the two collimators in the StenLight, and reconducting my beam pattern test, I conclude the donut I am seeing is being caused not by the 15 degree lens, but the spot 5 degree lens. It is an artifact of the spot. I was under the mistaken impression it was caused by...
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    Cavers - The StenLight, Ultimate 2x3W LED Headlamp

    Yes. I first noted it when standing in a very wide 50 foot trunk, but with water wall to wall and a flat ceiling 6 feet high. The lamp had a great spot beam, but the wide angle "fill" light was edged by a ring of shadow. You can see it clearly in the image below: Covering the 5 degree...
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    Cavers - The StenLight, Ultimate 2x3W LED Headlamp

    Just uploaded a few more pics. Probably voided my warranty (!) in doing so, but was able to appreciate the beauty of this device more. http://www.pbase.com/darklightimagery/stenlight I tried my other collimator, but it was about 1 mm to thick to fit. Guess I'll accept the unit as is and just...
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    Cavers - The StenLight, Ultimate 2x3W LED Headlamp

    Thanks John and Curtis. I've spent a good deal of time today tinkering (read: disassembling) my Sten S7. Wonderful workmanship. I'll post pictures later. I also plan on doing my own beam test later, after sundown. Managed to dig up my old collimator I bought last year for a project. I...
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    Cavers - The StenLight, Ultimate 2x3W LED Headlamp

    Hello! My first post on this Forum. I have been lurking for a few weeks, specifically this thread. I just purchased a StenLight and had a chance to use it this past Saturday. I posted a sort of trip report/review over on the NSS Forum, http://www.caves.org/phpBB2/viewtopic.php?t=150. I...
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