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Thread: McGizmo - 2018

  1. #91
    *Flashaholic* McGizmo's Avatar
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    Default Re: McGizmo - 2018

    Quote Originally Posted by ma tumba View Post
    I may be wrong but Sundrop is a spheric light, and hence optically inferior to the cheapest asphericals.
    The SunDrop lens is a plano-convex(spherical) lens of sapphire crystal. It is optically inferior to most lenses aspherical or not because the Sapphire is not as efficient in transmission of light as any decent lens material would be. So there is loss in efficiency to be sure. But is is significant? I leave that to the person making the judgment. Personally I prefer the scratch resistant and impervious nature of the sapphire crystal. I am not sure that spherical aberration in a lens used for the management of light for illumination is critical as it is in a lens used to focus light on an image plane in a camera.
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  2. #92
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    Default McGizmo - 2018

    I had been an owner of a sundrop for years and wanted to keep it to use with a uv pill. One additional advantage of sapphire is it transparency in the uv. But as far as edc light is concerned I think nothing compares to a good aspherical ZOOMIE. I would be really happy to see a high end light of this type.

    Most people think that a zoomie is first and foremost a focused thrower with some capacity of having some flat medium wide beam. I disagree. In the zoomies I've upgraded i put the dedome leds almost flush with the lens, so that the wide beam is about 90deg. The narrow beam is not fully focused one now but it is that great tunnel of light that does not blind you reflecting from nearby objects or annoy people around you. I think this is what a zoomie should be
    Last edited by ma tumba; 06-23-2018 at 05:22 PM.

  3. #93
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    Default Re: McGizmo - 2018

    I have a few of these (including a very high quality LensLight) but for my own personal EDC, I have found that specifically adjusting the focus is simply something I hardly ever find necessary.

    That said, I probably have more lights readily at hand than most, and I typically carry an additional dedicated thrower on those occasions when that may be especially useful
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  4. #94
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    Default Re: McGizmo - 2018

    Well, show me a cpf member for whom a single light is enough

    As much as I like my 3000k 18350 zoomie I need something for daylight. And this is a e1e based mule with a 5000k aleph le. But it could be as well a mcgizmo mule had I bought one in the first place. I think one day I will

  5. #95
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    Default Re: McGizmo - 2018

    Well, I certainly learned something new today

  6. #96
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    Default Re: McGizmo - 2018

    Quote Originally Posted by archimedes View Post
    I have a few of these (including a very high quality LensLight) but for my own personal EDC, I have found that specifically adjusting the focus is simply something I hardly ever find necessary.

    That said, I probably have more lights readily at hand than most, and I typically carry an additional dedicated thrower on those occasions when that may be especially useful
    You may find adjusting the focus to be hardly ever necessary, but the perennial interest in the Lunasol design (and the Cool Fall Tri-V) shows there are people who value having a floodlight, tasklight, and spotlight all in one package. The easiest way to achieve that is with adjustable-focus optics, hence my suggestion to Don; it combines a wide range of utility with a fairly simple design that Don prefers -- simpler, even than the PD switching mechanism he used to use. LED LENSER has been making adjustable-focus lights for over a decade now, but their lights are crippled by cheap aluminum housings and even cheaper electronics. I'd be willing to learn CAD to help make an aspheric Gizmo come to life, though I suspect there are plenty of other people on CPF who already have that skill.

    Or who knows, maybe Don could partner with LensLight to get a ready-made head that's designed to fit McGizmo driver pills and E-size threading. That would be less work for him, but still a high quality product.
    Last edited by fyrstormer; 06-24-2018 at 09:21 PM.

  7. #97
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    Default Re: McGizmo - 2018

    Zoomies usually have so many artifacts and are plagued by ugly beam patterns. Having one worthy of the McGizmo moniker would be an impressive feat. The advantage in my opinion of the LS is that while it is not infinitely adjustable the beams are actually pretty good in both configurations vs. a zoomie with an ugly beam in nearly all positions.

  8. #98
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    Default Re: McGizmo - 2018

    Quote Originally Posted by nbp View Post
    Zoomies usually have so many artifacts and are plagued by ugly beam patterns. Having one worthy of the McGizmo moniker would be an impressive feat. The advantage in my opinion of the LS is that while it is not infinitely adjustable the beams are actually pretty good in both configurations vs. a zoomie with an ugly beam in nearly all positions.
    I have some with absolutely perfect artifact free beams at any position and part of them are pretty solid mechanically. What is quite ugly about them is their appearance and tactile feel.

  9. #99
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    Default Re: McGizmo - 2018

    Quote Originally Posted by nbp View Post
    Zoomies usually have so many artifacts and are plagued by ugly beam patterns. Having one worthy of the McGizmo moniker would be an impressive feat. The advantage in my opinion of the LS is that while it is not infinitely adjustable the beams are actually pretty good in both configurations vs. a zoomie with an ugly beam in nearly all positions.
    In addition, a lot of overall output is lost using an aspheric conifguration especially when defocussed if I understand correctly.
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  10. #100
    *Flashaholic* McGizmo's Avatar
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    Default Re: McGizmo - 2018

    Quote Originally Posted by easilyled View Post
    In addition, a lot of overall output is lost using an aspheric conifguration especially when defocussed if I understand correctly.
    I made a lens based zoom early on and it worked pretty well but definitely loss as you pulled the lens away from the LED getting towards a collimated or focused image but with more and more light bouncing around inside and probably not getting out of the head. I think there was much less light loss with a reflector based zoom design I played with. I think if one had a good heat pipe and pedestal mounted LED you could have the option of a Mule with reflector dropped down and then a good collimated beam with pulling the reflector forward for image focus. In transition I would guess it would suck with artifacts prevalent. I wonder though if Mag would dust off their beam focus patent and claim infringement.

    EDIT added:
    I assume enough time has now passed that I can mention that Pelican had to fix their reflector in their M6 because one was initially able to fine tun the focus by adjusting the lamp or LED in or out of the reflector a bit. This was a result not by intent but just due to the geometry of the design. Mag took them to task.
    Last edited by McGizmo; 06-25-2018 at 09:17 PM.
    Build Prices .... some mods and builds (not 4 sale) "Nature can be cruel- but we don't have to be."~ Temple Grandin

  11. #101
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    Default Re: McGizmo - 2018

    I seriously doubt you do enough business to threaten Maglite. No offense. Your lights target a totally different market than Maglite does, and there are many higher-volume flashlight makers that Maglite could go after if they wanted to.

    Personally I'd much rather have an aspheric "zoomie" rather than a reflector "zoomie"; All the Maglites I've ever seen have horrible donut-holes when the reflector is adjusted, whereas I don't particularly care if the edges of the beam look like an outline of the emitter as long as the brightness is consistent in the middle. And given how incredibly bright LEDs are nowadays, I'd be willing to write-off a significant portion of their output in exchange for adjustable focus, because the end product would still be more than bright enough for any task a single-cell pocket flashlight is suited for. Keep in mind I still carry a Jetbeam TC-R2 XP-G S2 from 2011 and I rarely wish for more brightness than it offers.
    Last edited by fyrstormer; 06-25-2018 at 11:59 PM.

  12. #102
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    Default Re: McGizmo - 2018

    Do i hear a Mcgizmo Haiku in Zirc ???? maybe one day

  13. #103
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    Default Re: McGizmo - 2018

    Zirconium is 50% heavier than titanium. You could just get a stainless-steel light if you want a boat anchor in your pocket.

  14. #104
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    Default Re: McGizmo - 2018

    Quote Originally Posted by 59ride View Post
    Do i hear a Mcgizmo Haiku in Zirc ???? maybe one day
    That's highly unlikely in my humble opinion. Unless there's a practical justification for Zirconium instead of Titanium?
    McGizmo products put practicality very high up on the agenda.
    We are all flotsam and jetsam being carried by a relentless tide towards our ultimate fate!

  15. #105

    Default Re: McGizmo - 2018

    Happy New Year! guess I'm a bit late but I just don't drop by here anymore, but on this lazy Sunday morning, WC on TV, figured why not?

    The reason I haven't been back is that, after acquiring a fair number of McGizmos, there has no need. My main purpose flashlight is a Sundrop that was setup for photo. I have used that flashlight for many thousands of pictures and there simply is no better flashlight for photography, at least the type of photography I do. A lot of nightclub work were using a flash just isn't possible and since it's all but black something has to be used.

    Also have a few other McGizmos but for the most part they don't see much use. They sit in their assigned locations and I know with absolute certainty that they will perform when and if needed. Which is why I purchased McGizmos in the first place.

    Thanks!

  16. #106
    *Flashaholic* McGizmo's Avatar
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    Default Re: McGizmo - 2018

    Quote Originally Posted by DTF View Post
    Happy New Year! guess I'm a bit late but I just don't drop by here anymore, but on this lazy Sunday morning, WC on TV, figured why not?

    The reason I haven't been back is that, after acquiring a fair number of McGizmos, there has no need. My main purpose flashlight is a Sundrop that was setup for photo. I have used that flashlight for many thousands of pictures and there simply is no better flashlight for photography, at least the type of photography I do. A lot of nightclub work were using a flash just isn't possible and since it's all but black something has to be used.

    Also have a few other McGizmos but for the most part they don't see much use. They sit in their assigned locations and I know with absolute certainty that they will perform when and if needed. Which is why I purchased McGizmos in the first place.

    Thanks!
    Thanks for stopping by and the comments! I am glad to hear you are getting some utility from the lights; especially the SunDrop. Cool!
    Build Prices .... some mods and builds (not 4 sale) "Nature can be cruel- but we don't have to be."~ Temple Grandin

  17. #107

    Default Re: McGizmo - 2018

    My main light that I grab at home is a Haiku AA HiCri
    When I go out to a movie or dark restaurant, it's a Sapphire.

  18. #108

    Default Re: McGizmo - 2018

    Quote Originally Posted by qmtu View Post
    My main light that I grab at home is a Haiku AA HiCri
    When I go out to a movie or dark restaurant, it's a Sapphire.
    Ditto here. (Love my AA Haiku HiCri)

    Wonder which lights Don will use if the power goes out in his place soon. (Note: I hope his power (and his neighbors power) does not go out due to Lane.) Does he still have solar power (with batteries?)?

  19. #109
    *Flashaholic* McGizmo's Avatar
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    Default Re: McGizmo - 2018

    Quote Originally Posted by alangloi View Post
    Ditto here. (Love my AA Haiku HiCri)

    Wonder which lights Don will use if the power goes out in his place soon. (Note: I hope his power (and his neighbors power) does not go out due to Lane.) Does he still have solar power (with batteries?)?
    Looks like we might get some close attention from Lane. I do have solar but it is tied to the grid and if the grid goes down I have no access to it. I can tap into my LEAF though with an inverter and have plenty power to keep my refrigerator going for a couple days I would guess and I have a 1kW Honda generator i converted to propane which can also step in to provide some power. I do have a number of lights to use.
    Build Prices .... some mods and builds (not 4 sale) "Nature can be cruel- but we don't have to be."~ Temple Grandin

  20. #110

    Default Re: McGizmo - 2018

    Quote Originally Posted by McGizmo View Post
    Looks like we might get some close attention from Lane. I do have solar but it is tied to the grid and if the grid goes down I have no access to it. I can tap into my LEAF though with an inverter and have plenty power to keep my refrigerator going for a couple days I would guess and I have a 1kW Honda generator i converted to propane which can also step in to provide some power. I do have a number of lights to use.
    Stay safe mate.
    I'm pretty sure you'll be sorted lighting wise.

  21. #111
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    Default Re: McGizmo - 2018

    Quote Originally Posted by scout24 View Post
    I would think a "10th Anniversary" Lunasol 20 run with modern emitters would pretty much stop time here on CPF... In other words,
    I can only concur.

  22. #112
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    Default Re: McGizmo - 2018

    Quote Originally Posted by jellydonut View Post
    I can only concur.
    It is a great idea indeed.

  23. #113

    Default Re: McGizmo - 2018

    Hi, McGizmo folks.
    just a quick question.
    Is RCR ok for single speed sundrop - earlier version ?
    light your lite . ...

  24. #114
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    Default Re: McGizmo - 2018

    Quote Originally Posted by octaf View Post
    Hi, McGizmo folks.
    just a quick question.
    Is RCR ok for single speed sundrop - earlier version ?
    Yes but use a protected one since the converter will attempt to pull the power out beyond the point at which the battery needs to be recharged.
    Build Prices .... some mods and builds (not 4 sale) "Nature can be cruel- but we don't have to be."~ Temple Grandin

  25. #115
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    Default Re: McGizmo - 2018

    Quote Originally Posted by McGizmo View Post
    Yes but use a protected one since the converter will attempt to pull the power out beyond the point at which the battery needs to be recharged.
    IMRs are safe to use, even if unprotected. I've done it many times with no greater loss of capacity over time than what I see from protected ICRs.

  26. #116

    Default Re: McGizmo - 2018

    Quote Originally Posted by fyrstormer View Post
    IMRs are safe to use, even if unprotected. I've done it many times with no greater loss of capacity over time than what I see from protected ICRs.
    Discharging a lithium ion cell to too low of a voltage causes irreparable damage to the cell, which if you are lucky will shorten the lifespan or outright kill a cell. In the more likely event you are unlucky, it tends to cause venting and hellfire.

    Edit: to be more specific, the problem arrises when you try to recharge an over-discharged cell, as the degradation typically results in dead shorts inside the battery eventually.
    Last edited by Thetasigma; 10-31-2018 at 10:15 PM.

  27. #117
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    Default Re: McGizmo - 2018

    Hypothetically yes, but any charger worth paying for nowadays will sense an internally-shorted cell and refuse to charge it. Additionally, a microscopic short inside a cell can usually be melted by the current inrush when the battery is first placed in the charger, similar to what happens to an overloaded fuse. Since IMR cells don't have freely-available oxygen inside them like ICR cells do, those events carry minimal risk with IMR cells. In one of my other hobbies, recently-deceased lithium-polymer batteries are often "defibrillated" by charging them at 10 amps or higher for a few seconds, to melt any microscopic shorts inside the cell packs and extend their lifespan a bit. And that's with the relatively dangerous LiCoO chemistry, same as used in ICR cells.

    In my experience, an IMR cell that needs to be recharged will underpower any reasonably-powerful flashlight on all but the lowest settings, which will cause the light to flicker or drop-down to a lower setting, both of which are pretty easy-to-understand indicators that the battery needs charging. If you continue to run the light beyond that point just because the battery doesn't have a hard-cutoff built in, well, that's your mistake to make.

    Lastly, "getting unlucky" and having a cell vent is far less likely than simply discovering the cell will refuse to take a charge anymore. That is somewhat due to smarter chargers nowadays, somewhat due to the cell manufacturers getting better at designing cells that don't fail catastrophically, but mostly due to people overestimating the likelihood of worst-case scenarios -- especially on forums such as CPF which tend to attract people of a cautious mindset.
    Last edited by fyrstormer; 11-04-2018 at 12:23 AM.

  28. #118
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    Default Re: McGizmo - 2018

    Don,

    You probably don't remember me, but I have a Ti-PDS I got from you that I have been carrying for 10+ years now. Its a faithful companion that I have with me every single day. I haven't kept up with recent trends for the past 10 years, and the only new light I purchased for myself is a Sapphire by you, lol. The pursuit of balanced functionality that I feel your lights represent is the bar I judge many purchases with. Thanks for making them, and I look forward to what the future holds from you!

    Mike

  29. #119
    *Flashaholic* McGizmo's Avatar
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    Default Re: McGizmo - 2018

    Quote Originally Posted by EasEWryder View Post
    Don,

    You probably don't remember me, but I have a Ti-PDS I got from you that I have been carrying for 10+ years now. Its a faithful companion that I have with me every single day. I haven't kept up with recent trends for the past 10 years, and the only new light I purchased for myself is a Sapphire by you, lol. The pursuit of balanced functionality that I feel your lights represent is the bar I judge many purchases with. Thanks for making them, and I look forward to what the future holds from you!

    Mike
    Thanks Mike. Lights may have changed but the need for them and their utility really hasn't.
    Build Prices .... some mods and builds (not 4 sale) "Nature can be cruel- but we don't have to be."~ Temple Grandin

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