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Mine Exploration Forum

Author Pics and Lighting.
Morlock

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Joined: 31/07/2008

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Posted: 13/03/2010 21:05:13
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Dinas Silica Mine (Upper) pics updated using the Oldham 'Redwinch' conversion.

Forgot my glasses so all pics at the preset manual settings on the camera.

15 seconds @ f2.8, lamp stationary throughout exposure times, next trip take glasses and try a bit less aperture/time I think. Smile



(click image to open full size image in new window)
IP: 82.26.116.55 Edited: 13/03/2010 22:27:42 by Morlock
Dean Allison

Joined: 13/01/2008
Location: Northumberland

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Posted: 14/03/2010 00:15:05
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That looks ace. The beam must be really wide on that lamp, if that was stationary. I could do with one of those myself. IP: 90.203.50.151
Morlock

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Posted: 14/03/2010 11:15:53
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Dean Allison wrote:

That looks ace. The beam must be really wide on that lamp, if that was stationary. I could do with one of those myself.


Thanks Dean, the lamp is one of these fitted into an Oldham, The reddish shadow in some pics must be mine as the lamp man was behind or to one side.
One pic also looks burned out in the wrong area so not sure what happened there.


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IP: 86.31.252.12 Edited: 14/03/2010 23:07:42 by Morlock
Dean Allison

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Posted: 14/03/2010 11:23:21
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Nice one. I might have to get one of these. I havent been able to find a decent torch with a wide spread. All mine have a nasty hotspot in the middle. IP: 90.203.50.151
Morlock

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Posted: 14/03/2010 11:45:57
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Dean Allison wrote:

Nice one. I might have to get one of these. I havent been able to find a decent torch with a wide spread. All mine have a nasty hotspot in the middle.


The unit has a brighter spot but I think passage dimensions mask a lot of it, the spot is a long way off and it does not have a sharp focused edge.
Inverse square law also helps, I think?
IP: 86.25.14.69
Dean Allison

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Location: Northumberland

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Posted: 14/03/2010 13:29:16
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I see the spot you mean now. I use a Fenix led torch mainly. It has a horrible tight spot but I have been using a latex glove recently and it makes an amazing difference. IP: 90.203.50.151
Morlock

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Posted: 14/03/2010 13:47:04
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Dean Allison wrote:

I see the spot you mean now. I use a Fenix led torch mainly. It has a horrible tight spot but I have been using a latex glove recently and it makes an amazing difference.


I'll remember my glasses and, as you suggest, take a few bits of diffusing material next time.
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Dean Allison

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Posted: 14/03/2010 13:52:35
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Yes , putting the torch inside a thin latex glove is good. You get less light output but for close up artefact shots its excellent as you dont need to keep the light moving, its very diffused. IP: 90.203.50.151
rhychydwr

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Joined: 09/06/2007
Location: Cwmparc, Rhondda, South Wales, UK.

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Posted: 14/03/2010 19:48:16
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Oh dear. No scale Bored

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Cutting coal in my spare time.
IP: 89.240.221.97
Peter Burgess

Joined: 01/07/2008
Location: Merstham. Or is it Godstone ...... ?

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Posted: 14/03/2010 19:52:08
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Aw, bless. The old gentleman still thinks it's funny! Smile

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Hé ! Ki kapcsolva le a villanyt ?
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rhychydwr

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Posted: 14/03/2010 19:57:14
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I had better be carefull what I say, as Morlock lives just over the hill from me, but I think a photo without some form of scale is useless. Even Roy fellows agrees with me Tongue

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Morlock

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Posted: 14/03/2010 20:03:59
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rhychydwr1 wrote:

I had better be carefull what I say, as Morlock lives just over the hill from me, but I think a photo without some form of scale is useless. Even Roy fellows agrees with me Tongue


I did think of you Tony when I posted but thought it would be OK as you've been there alnost as many times as me. Tongue Tongue

Wish you had posted earlier when I was in the Rhondda, pitchforks & torches etc. Devil Big Grin
IP: 86.23.78.220
Morlock

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Posted: 15/03/2010 12:53:16
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The more I look at the perfect water surface reflection I wonder how much extra range has been gained by reflected light, if any? IP: 82.26.221.150
J4M35

Joined: 21/11/2009

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Posted: 17/03/2010 18:41:12
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rhychydwr1 wrote:

Oh dear. No scale Bored


Still looks good though!
IP: 92.1.78.177
Morlock

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Posted: 17/03/2010 19:25:14
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J4M35 wrote:

rhychydwr1 wrote:

Oh dear. No scale Bored


Still looks good though!


Thank you. Smile If you look at this pic full sized there appears to be a white plastic bottle for scale (lower right).



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IP: 86.23.23.167
J4M35

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Posted: 17/03/2010 20:29:40
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Just photoshop yourself in Tongue IP: 92.1.78.177
Morlock

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Posted: 17/03/2010 20:54:54
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J4M35 wrote:

Just photoshop yourself in Tongue


I'll have to get Tony to train me in the use of Photoshop. Big Grin
IP: 86.31.22.136
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