Recent content by F89

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  1. F89

    Fyrlyt, all hype no substance?

    These lights are something else. There’s not really anything like them, particularly considering they’re halogen. Things have changed a fair bit since the 10 years of the original posts. They’re biggest system now uses 24V 250W globes (can be run off 12V systems). There’s a few different tiers...
  2. F89

    List your McGizmo flashlights

    Still got my AA 119V Haiku in my pocket daily.
  3. F89

    New Cree XF-L

    Anyone heard much about this new flashlight specific LED that Cree is developing?
  4. F89

    Music to the Marrow (To What Are You Listening?)

  5. F89

    What watch you're wearing?

    I've bought a couple of Casio recently. Fantastic brand. I'm eyeing off the 5000U, ilikeguns. Love the JDM stuff. I'll show off my other recent one another night. It's also another Ana-Digi, and it's a gem.
  6. F89

    What watch you're wearing?

    PRW-51FC-1JF by candlelight. Showing off its LCD.
  7. F89

    Music to the Marrow (To What Are You Listening?)

  8. F89

    What watch you're wearing?

    While it might (will) make it easier, you don’t even need a rotating bezel or 24 hour hand. It’s not the greatest but it’ll give you a rough idea. I’m in the southern hemisphere so the method is a bit backwards for me obviously, it’s also daylight savings so for me currently I use the 1...
  9. F89

    Help me decide between green light and High CRI

    True, but if you're in a dark room or lit with ambient light looking at a bright screen at close range, that's a definite factor. As bad as lying in bed staring at a phone in the dark is, I'm guilty of doing it far too often. For the most part outside I'm wearing quality sunglasses and not...
  10. F89

    Help me decide between green light and High CRI

    From my experience the longer the frequency (that’s still visible. E.g. Deep red ~660nm), the better when it comes to preserving night vision. Using as little light as possible (combined with a long wavelength) is best if preserving your night vision is a priority. As far as high CRI light...
  11. F89

    Help me decide between green light and High CRI

    I wasn’t talking about on paper. I was talking about my experience in use. One again I’m using a 568nm LED. It isn’t quite green so I can’t really comment on whatever green LED it is you’re using which is likely a more pure green wavelength.
  12. F89

    Help me decide between green light and High CRI

    From what I've read green may be a little more damaging than red but much less than blue. I think the biggest source of damage for myself from LEDs is coming from staring at my phone, like right now. I really should do less of it. I'm not currently using green, as I mentioned I'm using 568nm...
  13. F89

    Help me decide between green light and High CRI

    Red, and in my experience, particularly deep red does do a good job of preserving night vision. Even if you use it at surprisingly bright levels, it’ll still preserve night vision well considering. I’ll agree to the part about dim being a key. Red is pretty terrible for operating under, but it...
  14. F89

    Help me decide between green light and High CRI

    Green has a practical purpose. Its contrast and general usability is much better than red. I used to use a 660nm red LED light (generally at very low output) for retaining night vision. It does an excellent job in this role but I’ve found that (even at higher brightness levels) when using red I...
  15. F89

    Help me decide between green light and High CRI

    I don’t think there’s much to green LED being harmful. All LEDs aren’t great for our eyes, blue being the most harmful (including white LEDs that generally have a large blue spike in the spectrum). Red and green are less harmful.
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