TK's Emisar D4 review

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MAD777
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I have the stock D4 Nichia 219c and Vinh's D4vn with dedomed XPG2. I measured the two last night with my cell phone light meter, so these numbers are simply relative to each other. The distance was 17 meters, and there were no hallways involved, so no bouncing,  reflective light.

My modded dedomed XPG2 had exactly twice the light reading of my stock Nichia 219c. Visually, the brightness of the hot spot on Vinh's mod is far brighter than the 219c hot spot, which is to be expected. I see the same significant difference when shining both lights at the house across the street from mine. Of course, ceiling bounce in a bedroom is visually brighter from the stock Nichia 219c, but not dramatically so.

I find myself playing with both lights contantly because I love the UI, best ever!

Mike

ven
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Arrival today of the 4000k D4( very nice!) and a D1 5000k……………also very nice. These light i just love



D1 5000k

D4 4000k

Although i did not run for too long(time), the D1 heat was handled very well. I thought it would have got toasty very quick, but not the case. It got warm relatively quick, but never too hot to touch like the D4 gets. Maybe 2-3m or so, never noticed a step down…………….but could have missed it.

Awesome little pocket thrower, another must buy by Hank! Smile

Sledgestone
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Nice pics as always, Ven!

How is the tint on the D1?

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Sledgestone wrote:
Nice pics as always, Ven!

How is the tint on the D1?

Thanks for kind words, looks nice so far(typical 5000k xpl HI), not had real dark yet! So i will have a better idea in 3-4hrs. Quite a large hotspot compared to some small throwers i have had, nice and intense but not to a point its unusable closer up(does that make sense). Personally i think 30-40kcd type beams is ample for most EDC type uses that need some easily accessible throw(variable of course). So many lights are too big to carry easily and tend to get left at home, no excuses with this one!

May be a little bulky for pants carry(pants dependent), but say during colder months and the coats/jackets come out………….should be no issue EDCing .

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ven wrote:
Sledgestone wrote:
Nice pics as always, Ven!

How is the tint on the D1?

Thanks for kind words, looks nice so far(typical 5000k xpl HI), not had real dark yet! So i will have a better idea in 3-4hrs. Quite a large hotspot compared to some small throwers i have had, nice and intense but not to a point its unusable closer up(does that make sense). Personally i think 30-40kcd type beams is ample for most EDC type uses that need some easily accessible throw(variable of course). So many lights are too big to carry easily and tend to get left at home, no excuses with this one!

May be a little bulky for pants carry(pants dependent), but say during colder months and the coats/jackets come out………….should be no issue EDCing .

Tint on my 3A is nice and white looking. So used to my lights being walls of light, that this one looked like a pinpoint hotspot to me. Definitely not used to lights for throw since I’m more urban and nothing I need to see is 100 meters or more away.

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Little Emisar family

JIGHEADWORM
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ven wrote:
Sledgestone wrote:
Nice pics as always, Ven!

How is the tint on the D1?

Thanks for kind words, looks nice so far(typical 5000k xpl HI), not had real dark yet! So i will have a better idea in 3-4hrs. Quite a large hotspot compared to some small throwers i have had, nice and intense but not to a point its unusable closer up(does that make sense). Personally i think 30-40kcd type beams is ample for most EDC type uses that need some easily accessible throw(variable of course). So many lights are too big to carry easily and tend to get left at home, no excuses with this one!

May be a little bulky for pants carry(pants dependent), but say during colder months and the coats/jackets come out………….should be no issue EDCing .


Put the 18350 tube on and you hardly know it’s there.I don’t even notice a dropoff in output with an aspire cell
ven
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Just a few rough n ready beam pics for a rough idea
D4 xp-g2 4000k

D4vn xp-g2 PDT

D4 219c 5000k

D1 xpl HI 5000k

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JIGHEADWORM wrote:
ven wrote:
Sledgestone wrote:
Nice pics as always, Ven!

How is the tint on the D1?

Thanks for kind words, looks nice so far(typical 5000k xpl HI), not had real dark yet! So i will have a better idea in 3-4hrs. Quite a large hotspot compared to some small throwers i have had, nice and intense but not to a point its unusable closer up(does that make sense). Personally i think 30-40kcd type beams is ample for most EDC type uses that need some easily accessible throw(variable of course). So many lights are too big to carry easily and tend to get left at home, no excuses with this one!

May be a little bulky for pants carry(pants dependent), but say during colder months and the coats/jackets come out………….should be no issue EDCing .


Put the 18350 tube on and you hardly know it’s there.I don’t even notice a dropoff in output with an aspire cell

I meant more for the larger head type bulk. The 18650 form on the D4 is fine for me to EDC. Tad bulky(diameter wise to my ZL’s) but i can easily live with the benefits.

cdjaney
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ven wrote:

I meant more for the larger head type bulk. The 18650 form on the D4 is fine for me to EDC. Tad bulky(diameter wise to my ZL’s) but i can easily live with the benefits.

This succinctly says how I feel about my D4 compared to my ZL SC62w.

John 1:5 "The Light shines in the darkness, and the darkness did not comprehend it."

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cdjaney wrote:
ven wrote:

I meant more for the larger head type bulk. The 18650 form on the D4 is fine for me to EDC. Tad bulky(diameter wise to my ZL’s) but i can easily live with the benefits.

This succinctly says how I feel about my D4 compared to my ZL SC62w.

I have the sc62d in work(only 320lm but use H2 mainly at 145lm!………..its enough for me), so easy to pocket and not know there. For an 18650 fed light, its sure impressive in the compact form stakes.

Here is the sc63w next to the D4

Been using the D4 xp-g2 4000k quite a bit this evening, damn this CT is nice. So easy on my tired and should be in bed eyes…………really like it.

Geuzzz
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ven wrote:
Just a few rough n ready beam pics for a rough idea

Nice beamshots. Got to love that 4000k xp-g2.

saypat
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+1 that was my favorite as well.

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the D1 looks like it has great spill

although it looks like the camera changed the exposure

unless that one is out of sequence and was earlier in the evening

Mp0wer
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ToyKeeper wrote:
Mp0wer wrote:
Just got one delivered from MT, thanks for the review Wink

Ah, so that’s where the last 4 Aspire cells went. Silly

I had the page open to order, but went to eat first and when I came back they were out of stock. Oops.

Too bad I can’t try out my aspire batteries, I think there’s something wrong with my 18350 tube, the light works great with the 18650 and 18500 tube…any suggestions ??

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did you try turning it around?
the shorter threads go toward the head

Mp0wer
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chinooker wrote:
did you try turning it around? the shorter threads go toward the head

I did try both ends, I also tried using a paper clip to see if maybe it wasn’t grounding properly

MattSPL
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Could you post a picture or 2 showing the 18350 tube, particularly the ends?

Thanks

chinooker
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you might try putting the longer threads toward the head
and then trying the paperclip to bridge the battery base to the bare tube edge

it’s such a simple tube there must be a simple explanation
like the shorter threaded part not reaching deep enough?

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MPOwer

Quote:
Too bad I can’t try out my aspire batteries, I think there’s something wrong with my 18350 tube, the light works great with the 18650 and 18500 tube…any suggestions ??

I had that problem. I used some steel wool on the edges/ends, mine works fine now.

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MattSPL wrote:
Could you post a picture or 2 showing the 18350 tube, particularly the ends?

Thanks


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Interesting.

Just found out from reading on CPF about a hidden feature in the UI:

After you double-click while the light is on to jump to max turbo, you can double-click again to return to the previous brightness setting.

Mp0wer
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chinooker wrote:
you might try putting the longer threads toward the head
and then trying the paperclip to bridge the battery base to the bare tube edge

it’s such a simple tube there must be a simple explanation
like the shorter threaded part not reaching deep enough?

The long side worked with the paper clip, but not with the cap, if you look at the picture one side of the tube is thinner.

chinooker
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Well, that is strange, butt we know the short end is the problem.
I’m sure Mtn will make it right. Give them a call.

strayz
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Sub’ing because how did I ever miss this thread. Will have to order one here shortly…

Just to clarify, what are the differences in the D4 and the D4vn models? Somewhere in the last 70 pages I am sure I missed some important information.

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strayz wrote:
Sub’ing because how did I ever miss this thread. Will have to order one here shortly…

Just to clarify, what are the differences in the D4 and the D4vn models? Somewhere in the last 70 pages I am sure I missed some important information.

The stock D4 is available with XP-G2 (dome on), 219C, or XP-L HI emitters. Vinh’s mod uses dedomed XP-G2 emitters for increased throw.

strayz
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jfg wrote:
strayz wrote:
Sub’ing because how did I ever miss this thread. Will have to order one here shortly…

Just to clarify, what are the differences in the D4 and the D4vn models? Somewhere in the last 70 pages I am sure I missed some important information.

The stock D4 is available with XP-G2 (dome on), 219C, or XP-L HI emitters. Vinh’s mod uses dedomed XP-G2 emitters for increased throw.

Thank you for the quick answers Smile

I figured that Vinh had done something before putting his name on it. Smile

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Firelight2 wrote:
Just found out from reading on CPF about a hidden feature in the UI:

After you double-click while the light is on to jump to max turbo, you can double-click again to return to the previous brightness setting.

Is that a hidden feature? It’s in the UI diagram, and Hank found it important enough to add some text about it to his version of the diagram. Here’s the image shown at Intl-Outdoor‘s product page for the D4:

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strayz wrote:
Just to clarify, what are the differences in the D4 and the D4vn models? Somewhere in the last 70 pages I am sure I missed some important information.

I measured my D4vn just yesterday, if that helps.

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Ran a thermal runtime test on the D1 with a 30Q. It held turbo for about 1:24 sec. Gradually stepped down all the way to about the 10 minute mark. At that point I think it was about as bright as the regulated to FET jump point. Then held it until around the 12 minute mark when it started to ramp up again. Love it! After 15 minutes it was warm to the touch and the 30Q was at 4.10V.

Also, not in the video but I compared it to one of my worklights, a Streamlight Stinger LED HP 350lm 56kcd, and the D1 seems to throw a little farther with a significantly wider hotspot.

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