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Mine Exploration Forum

Author Multiple-LED Lamps
JonK

Joined: 24/01/2008
Location: Yorkshire

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Multiple-LED Lamps
Posted: 23/11/2015 21:35:36
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Hi

Anybody get any recommendations for the small multiple-LED lights that can be bought cheaply and provide good even lighting. I fancy experimenting with these.

Are any more robust than others?

Cheers

Jon
IP: 81.158.75.193
SimonRL

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Joined: 27/11/2005
Location: North Wales

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Multiple-LED Lamps
Posted: 24/11/2015 09:18:21
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The little floodlight devices?

Blober had some which he took into Bwlch y Plwm recently. They worked really well; but I can't recall where he said he bought them.

--

my orders are to sit here and watch the world go by
IP: 194.28.139.41
royfellows

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Joined: 13/06/2007
Location: Great Wyrley near Walsall

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Multiple-LED Lamps
Posted: 24/11/2015 10:03:26
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Presumably you want an array of bare emitters for a photo flood?

Mr Bif, the Rude Nora man was selling them a while back but now only seems to be offering the Nora and conversions.

I would have thought the room light of your Scurion would do the job, or do you need something more powerful?



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May the Dragon shine upon you. Aaarrrrrrrr......
IP: 88.105.216.153
SimonRL

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Joined: 27/11/2005
Location: North Wales

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Multiple-LED Lamps
Posted: 24/11/2015 10:12:56
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royfellows wrote:

Mr Bif, the Rude Nora man was selling them a while back but now only seems to be offering the Nora and conversions.


The Blind Bat IIRC? Very nice bit of kit, wish I'd bought one, but was too pricey for me at the time. And he doesn't seem to make them any longer.

--

my orders are to sit here and watch the world go by
IP: 194.28.139.41
Blober

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Joined: 16/12/2012
Location: Anglesey

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Multiple-LED Lamps
Posted: 24/11/2015 14:29:54
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I've used these things to reasonable effect...
http://www.ebay.co.uk/itm/131291089118?_trksid=p2060353.m1438.l2649&var=430581143064&ssPageName=STRK%3AMEBIDX%3AIT

But to be honest they're only good for close ups, they're plenty hackable though if you're into that sort of thing.

I enquired about the blind bat and unfortunately there probably isn't going to be a new one for a very long time.

I'm still on the hunt for something better!

--

FILTH
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colin567

Joined: 06/06/2008
Location: Ouston

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Posted: 24/11/2015 21:53:43
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Hi
we have been using something similar to this for the past few months.
http://www.ebay.co.uk/itm/New-SKYRAY-15000Lumen-9x-CREE-XML-T6-LED-Flashlight-Torch-Tactical-Hunting-Lamp-/252164716071?hash=item3ab6303627

Getting some very acceptable hand held photos. You may get a hot spot where the lamp focus is; a piece of thin carrier bag makes a good diffuser, a rubber band will hold it in place
IP: 89.168.146.1
royfellows

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Joined: 13/06/2007
Location: Great Wyrley near Walsall

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Posted: 24/11/2015 21:59:48
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Such things are very good value for money but beware false descriptions and grossly exaggerated outputs.

Its claimed output is pure Alice in Wonderland.


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May the Dragon shine upon you. Aaarrrrrrrr......
IP: 88.105.216.153
PeteJ

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Joined: 12/05/2008
Location: Frosterley, Durham

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Multiple-LED Lamps
Posted: 24/11/2015 22:31:03
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royfellows wrote:

Such things are very good value for money but beware false descriptions and grossly exaggerated outputs.

Its claimed output is pure Alice in Wonderland.

But the pictures are great!
IP: 146.199.204.224
J25GTi

Joined: 09/06/2012

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Multiple-LED Lamps
Posted: 25/11/2015 07:47:04
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royfellows wrote:

Such things are very good value for money but beware false descriptions and grossly exaggerated outputs.

Its claimed output is pure Alice in Wonderland.


Have you tested the output at all?I find. The output considerably brighter than other offerings that claim lower numbers?
IP: 93.186.31.97
Mr Mike

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Joined: 09/06/2007
Location: Bury - In The Laboratory

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Multiple-LED Lamps
Posted: 25/11/2015 08:26:56
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J25GTi wrote:


Have you tested the output at all?I find. The output considerably brighter than other offerings that claim lower numbers?


You don't need to test, the LED spec'ed can give out at most 910lm, so x9 = 8190lm, 6810lm short of what is claimed.

I'm sure it is extremely bright, but would still be brighter if the fresh air lumems did actually appear.

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IP: 88.104.9.46
royfellows

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Joined: 13/06/2007
Location: Great Wyrley near Walsall

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Multiple-LED Lamps
Posted: 25/11/2015 08:54:58
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One I bought for £20 claimed 6 X XM-Ls, they are not XM-Ls for a start and to make matters worse the 2 X genuine XM-L 2s at 3 amps that form the beam at max in my Lynx X3000 beats it rather obviously.

The funny thing is that the Hong Kong sellers, DX, Kaidomain etc appear slightly more honest that the eBay sellers!

As I said though still very good value for your money. Putting a plastic bag over the lens will disperse the light for photography.

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May the Dragon shine upon you. Aaarrrrrrrr......
IP: 88.105.216.153
SimonRL

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Joined: 27/11/2005
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Multiple-LED Lamps
Posted: 25/11/2015 09:31:11
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I'd estimate anything I've bought from eBay / China gave about 1/3 of it's stated light output. Like a 3,000 lumen headtorch which was comparable (almost) to something with a measured 1,000 lumens.

So if 15,000 lumens is 5,000 lumens or even better 7,500 lumens (half the stated output) it's still going to be a very bright torch indeed and a lot of bang* for your buck Thumb Up

--

my orders are to sit here and watch the world go by
IP: 194.28.139.41
royfellows

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Location: Great Wyrley near Walsall

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Posted: 25/11/2015 10:08:56
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Absolutely.
But a slight warning, don't take for granted "waterproof", better to read this as "splashproof", other than this you will be OK.

Another tip is to put decent batteries in it, avoid the cheap "fire" brands like the plague.

I do wonder why the necessity to lie?
So many do it.

Honesty is part of my honour code, I wonder how politicians would get on with this?
Laugh

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May the Dragon shine upon you. Aaarrrrrrrr......
IP: 88.105.216.153
risy76115

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Joined: 30/10/2011
Location: consett co durham

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Multiple-LED Lamps
Posted: 25/11/2015 18:09:52
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yep can say the skyray is a good torch but defo not waterproof it has the o ring seals Roll Eyes but the switch lets it down Cursing that's no way near waterproof i use one for underground photography


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royfellows

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Posted: 26/11/2015 14:33:57
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Mine purports to be a "Skyray", its probably a pick and choose brand like "Ultrafire"

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IP: 88.105.216.153
rufenig

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Joined: 18/03/2008
Location: Shropshire Hills

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Multiple-LED Lamps
Posted: 26/11/2015 15:10:46
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Mine has no name, just "Cree XM-L" on the side.

5 led's which "appear" to be directly driven from 4 off 18650 cells.
It certainly is best with freshly charged batteries.

Quite nice for lighting up big stopes, compact enough to go in a pocket, and worth the money
If you already have the cells and a charger.
IP: 146.200.180.28
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