Emisar D4

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Thank you for the suggestion eh4. That's something I will give a try.

I haven't actually ordered yet. I've been hoping Mountain Electronics would get more of the N219C version in, presumably the 90+ CRI variant International Outdoors has. I'd prefer to avoid the long shipping time and unreliable tracking that goes with international orders. Mountain's site only says more should be on the way soon, with no expected time frame or hints about updated specs.

Did anybody here order through International Outdoor, and if so, how long did it take?
 
I dug through HKJ's test data on the various recommended cells a bit yesterday. The VTC5A really looks like the cell to beat for being able to maintain high output even at low state of charge. I think I will have to get one of those and and a Sanyo GA on order so I can compare how it runs on both.
 
You're welcome, it's worth messing with anyways.
I overdid it a few times, setting the temp impractically low, and since the limit doesn't seem to be predictive, it overshoots, causing a rapid dimming if the thermal protection is set too, too low.

For this neutral HI D1 I'm pretty happy now with the thermal limit around 55C. I'm not certain of the set temperature, that's the temp that the light reports immediately after turn off, having run it for some minutes past the initial overshoot til it ramped back up, while in hand.
I have no idea if it'll work well with a D4 or not, but since there's diminishing returns at the high end for leds, it should.

The N219c version is supposed to be the hottest running of the three, and the least throw, the neutral HI sitting between it and the cool HI version, which is the least hot running with the most throw.
 
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iamlucky13 said:
Did anybody here order through International Outdoor, and if so, how long did it take?
Click to expand...

Yes, I did and it took only 2 weeks to Florida. I was amazed. So much so, I ordered another 219c, 90+ CRI yesterday.

BTW, I think the VTC5A is the best battery for this light, by far.
 
eh4 said:
You're welcome, it's worth messing with anyways.
I overdid it a few times, setting the temp impractically low, and since the limit doesn't seem to be predictive, it overshoots, causing a rapid dimming if the thermal protection is set too, too low.
...
The N219c version is supposed to be the hottest running of the three, and the least throw, the neutral HI sitting between it and the cool HI version, which is the least hot running with the most throw.
Click to expand...

I expect the 219C will be most prone to overshoot, too, due to the lag time before heat reaches the sensor, especially since it has a higher thermal resistance than the Cree LEDs do.

MAD777 said:
Yes, I did and it took only 2 weeks to Florida. I was amazed. So much so, I ordered another 219c, 90+ CRI yesterday.

BTW, I think the VTC5A is the best battery for this light, by far.
Click to expand...

2 weeks is not bad at all. Order placed!
 
D4 from Mountain Electronics came in today. Ordered it in the wee hours of Oct. 1st.

Wow it's bright, heats up fast, and cools down fast, ridiculously short with the 18350 tube...

This one is supposed to be the coolest running, furthest throwing version with cool white XP-L HI.
... The N219c version should be fantastic in the winter as a dual purpose light, and hand warmer.
 
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eraursls1984 said:
It might take a little longer right now since there is a national holiday(s) in China right now.
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Good to know. 2-3 weeks isn't bad. 6+ weeks like some foreign shipping takes would definitely try my patience though.

eh4 said:
... The N219c version should be fantastic in the winter as a dual purpose light, and hand warmer.
Click to expand...

:thumbsup: I actually already had that in mind. My wife is going to object to me buying another lights, but she is always cold, and not just in the winter.

I figure there should be 2-3 hours of respectable heat per battery, and most battery powered handwarmers just have one or two modes - they can't ramp up or down for optimal comfort!

So that seemed like a better justification that trying to portray my set of lights as small compared to what some of the collectors and reviewers around here have.
 
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A couple posts from the D1S thread that are better suited to discuss over here:

lumen aeternum said:
So I found a BLF post on the Emisar D4:
http://budgetlightforum.com/node/55306?

The functions seem very nice, from moon to incredibly bright. Why don't they put that into a light that has more mass so it can stay cool?
Also confused about the versions - D1, Z -- and their beam shapes. Beamshots anywhere?

One seller offers two different lenses. Since the lens is removable, can you buy it with both lenses?
"floody 10623 optic instead of 10622 clear optic"
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The beam should be very floody. Maybe not quite as floody as the similar (quad emitter, TIR optics) Manker E14, but probably close:
Manker E14, Nichia 219B:
https://abload.de/img/comp_3p11702903czw1.jpg
Manker E14, XP-G2:
https://abload.de/img/comp_3p1170288rgll8.jpg

That thread you linked to also has a few beamshots pictures and videos scattered through it. No side-profiles that I saw, but they at least give you a general sense of what it looks like.

I waffled for a while before ordering the D4, because I also would have preferred something larger that could handle the heat better and had a bit more throw. Really, I don't even need that much power in a compact light, so I could have gone with the D1 if it had been possible to equip that with a Nichia.

But a light matching exactly what I wanted doesn't exist, so I ordered a D4 anyways, because it's as close as I have seen. Even a rapid drop to ~500 lumens is still really useful to me.

Also, it doesn't need to be able to sustain max mode for long to rationalize the design choices that were made. I think the designer explained it well with an example:

Ramp up to whatever level you need for walking the dog.
If you hear a noise, double-click to go to turbo and see what happened.
Afterward, double-click to go back to the dog-walking level.
Click to expand...
 
ven said:
It is fantastic UI, real user friendly yet lots to it. There may be little tweaks coming from toykeeper. This would be along the lines of creating your own ceiling(your own max level). So for high output(D4) that get hot fast, you could pre set a 1000lm level as max for an example.
Click to expand...

The latest comment from Toykeeper is she has several improvements working successfully, including programmable max and min ramping modes, as well as an alternate stair-step mode that is fairly easy to switch to from ramping mode.

However, she also said Hank Wang is busy with other projects and has given no indication whether he's interested in further changes to the UI, much less when they might happen.

As happy as most users seem to be with the UI, I'm operating under the assumption that Hank is happy with it, too, so v3 is not happening any time soon. I haven't bought an interface clip and programming module for myself yet, and the process of flashing the firmware looks moderately difficult, but I think I probably will give it a try eventually.
 
P1X4R said:
Exactly. I've paid for lots of flashlights that cost more than $40. This is an absolute deal. I'll definitely pick up a few more. That cyan is definitely calling me. Just waiting for Mtn Electronics to get them in stock.
Click to expand...

Please, the light is selling out. Only buy a couple until a second wave comes out next year
 
Has anyone received one of the new D4’s with the new grainy green/cyan finish?

Curious how it looks. I ordered a green one but I’m still waiting for it to arrive.

Jordan
 
Decided to buy a black D4 with Nichia LEDs. Really looking forward to checking it out! :)
 
Just received my Nichia D4 today and it's great. :) Really enjoying this light. Made some frozen pizza and checked on whether they were done in the oven with some pretty good color rendition haha. Also having a blast clicking it on turbo of course. Definitely runs down the battery pretty quickly. Going to EDC this light for a while and it should be really useful and really fun.
 
Haha I can't last very long before doing that. Tried to resist as much as possible last night but still drained the battery in one night!
 
Yes, I did that by accident as well (turning on momentary). Forgot how many presses were for checking the battery voltage and instead turned it into momentary. Pretty cool stuff.
 
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