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  1. N

    Favorite maglite size

    I would agree here too, 3C is a nice size. Lends well to modding to LED and installing lithium cells too.
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    Here is a perfect TIR optic for C and D size maglites!

    Ok, that sounds straightforward. So basically I can stick down with some arctic silver thermal adhesive and I should be good to go?
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    Here is a perfect TIR optic for C and D size maglites!

    Looks like I will just go for that then, the 2.9mm thickness might work fine without a spacer anyway. Is there anyone who has AR coated glass where we could get lenses cut from? Would not be too difficult if the material is available.
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    Here is a perfect TIR optic for C and D size maglites!

    Just jumped on there, looks like the stock a nice thick 3mm acrylic AR coated lens, but nothing much in the offerings with glass available. Might be worth a shot anyway. Glass is more scratch resistant, but this is still going to be better than a factory maglite lens. I think that since the...
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    Here is a perfect TIR optic for C and D size maglites!

    Not sure about LED yet, but was looking at a cree XHP70, but not sure what other high CRI options there are out there. The highest CRI version is this here I believe https://www.arrow.com/en/products/xhp70a-01-0000-0d0uj445g/cree I plan on using a 3C light with 2x26650 inside, so should give be...
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    Here is a perfect TIR optic for C and D size maglites!

    I just bought this optic from digikey. It's made by khatod and the model no is PL50SIL. It fits perfectly in the maglite and drops in flush rather than sitting on top like the reflector, but it can be addressed by making a spacer or using a thicker glass. Finding TIR optics the right size is...
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    Heat sync thermal compound for Alumilium panel with LEDs?

    All I know is less is more when it comes to this. Not sure if the same applies to the epoxy, but I would assume so. Most builders seem to epoxy their LEDs to the pill rather than use thermal grease and screws. Another mistake people do is fill the pill up with Fujik silicone compound. In many...
  8. N

    Any decent 25500 batteries?

    I can probably do fine with two 26650 in a 3xC cell light, but with a 2xC light, I would only fit in one 26650, so cant really make full use of the space inside the light. Yes I think you do have to bore them out on some lights. I think a brake cylinder honing tool would work well for this. Im...
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    TIR lens supplier?

    Still cant see anything there, seems most optics listed there are not much more than 30mm diameter. I need something ~2 inches or 51~53MM diameter The closest thing i can find is this. Never heard of silicone optics before...
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    TIR lens supplier?

    Just had a look on their sites, they dont have anything
  11. N

    TIR lens supplier?

    Is there any supplier of various sized TIR lenses and optics? Would love to find something that fits perfectly inside an old incan maglite.
  12. N

    Any decent 25500 batteries?

    I was wanting to mod a C size flashlight to LED and use lithium batteries. 25500 seem to be rather hard to find with no big name brands producing them. This is the best I can find here, but have no idea on the quality...
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    Anyone reviewed the Maratac Titanium AAA Rev 5 flashlight yet?

    OK, that makes sense. I guess what I had in mind was that if I found a (lower CRI) light at a lower output at a comparable brightness mode, I could in theory extend the running time. e.g run the cool white at 3 lumens instead of 5, I was assuming that would give me a bit longer runtime...
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    Anyone reviewed the Maratac Titanium AAA Rev 5 flashlight yet?

    OK, the way I took what you said when "most LEDs that are efficient in brightness, are low cri" that it meant that such LED's would give you more battery life for given amount of lumens per watt. Might look into the manker, I think what put it off for me was it was a right angled light and cant...
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    Anyone reviewed the Maratac Titanium AAA Rev 5 flashlight yet?

    Thanks for reviewing the maratac anyway, I know to stay clear of it. I will grab a thrunite anyway and try it out for its price. For my application, battery life is more important than CRI anyway, but obviously its beneficial. I certainly love the Nichia 219C No doubt we will see huge...
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    Anyone reviewed the Maratac Titanium AAA Rev 5 flashlight yet?

    OK, thats very interesting to learn about CRI and colour temp. I always thought both went hand in hand, as I naturally assumed a warmer light would have had higher levels of red output to make it warmer. Interesting to see your test results with both those lights. How does runtime compare on...
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    Anyone reviewed the Maratac Titanium AAA Rev 5 flashlight yet?

    Just getting back to CRI, im a bit confused. After checking the colour temp on the led in the thrunite, the colour temp for the neutral white is 3700 - 5000 which is about the same range as the nichia 219c in my other unit which has a CRI of 90.
  18. N

    Anyone reviewed the Maratac Titanium AAA Rev 5 flashlight yet?

    Yup, after using a high CRI light, I would never go back, especially for hunting and shooting at night. Although in this application, I can tolerate it if it means good battery life, etc. For the price Ill probably grab one anyway, but will definitely grab the likes of a tool also.
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    Anyone reviewed the Maratac Titanium AAA Rev 5 flashlight yet?

    Thanks for that, I think I will definitely go for a thrunite. When I first looked at it, I too got put off the sublumen (0.5lumen) mode that I would rarely ever use. After going with a high CRI LED on my last light, I would never go back to a cool white. My Ultratac has a Nichica 219C LED and...
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    Anyone reviewed the Maratac Titanium AAA Rev 5 flashlight yet?

    Thanks for this. I had looked at the thrunite some time back and was probably put off by the modes, but looking how bright 10 lumens actually is after experimenting with various lights, I would probably be happy enough with that. I can always mill out a tritium slot easy enough on the back too...

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