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Offline GoldDigger1950
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« Reply #100 on: May 30, 2010, 06:21:53 am »
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Quote:Posted by Darren in NC
I was under the impression that IR "sees" discoloration of vegetation which may mean leeched metals nearby. Could be gold, but maybe not.


Not a chance with a hand held camera. You need a gas chromatogrph or a mass spectrometer to analyze the vegetation. A camera with IR is sensitive to heat or light in the infrared only. Infrared that is emitted in plants is from residual heat not from the content. Irradiating a plant with IR will only cause the plant to absorb it and get warm damaged from it. Ultraviolet reflected from the plant when it is illuminated by UV might be of value but only in identifying the plant species. Again, not for the content of the vegetation. The analysis of the content requires some sophisticated equipment costing gazillions of dollars.

Basically, this entire thread has amused lots of people but has no basis in fact.

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It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
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« Reply #101 on: June 15, 2010, 03:18:44 pm »
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looks like the olympus c2020 z and the nikon d1 , coolpix 950 and the canon pro 70 are the  ir sensitive cameras that was able to find doing some reading on the internet . also the fuji IS-1, would any of you know if any of these cameras would work for near and far pass filters? print in ir sensitive digital cameras and you come up with a ton of information on the internet.

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« Reply #102 on: June 16, 2010, 01:54:56 am »
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There was an edition of "Meteorite men" where they were trying out an incredibly sensitive I/R handheld to see if they could spot meteorties on the desert floor.
The theory was that being mostly iron and nickel they would retain more heat than the surrounding rocks and could be seen.
It didn't work.......nothing......zilch...... even when held right up against the lens....
IT DOESN'T Work! ....... don't waste your time / money!
 No no!

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« Reply #103 on: June 16, 2010, 03:40:57 am »
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My photographic experiments in the field work for me but I'm only a greenhorn so what do I know?  I've been doing aerial photography so I'm applying some of what I learnt over the those far gone years.  I'm just starting on potential sites with prominance but it looks good to me so far.  It certainly saves on long hours of leg work and means I go straight to where I need to and helps with the digging hours too.  However, there is much time spent on the PC sifting the areas before walking in the not so good weather.

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« Reply #104 on: June 16, 2010, 09:22:23 am »
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Hi Pete,
Yes, understand aerial and field photography being very useful (crop marks etc)
But infrared to spot buried coins etc.......? ........ don't think so.........

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« Reply #105 on: June 17, 2010, 10:12:21 am »
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I recently purchased a Sony Handycam HD camcorder and filters to see if I can get it to work picking up aura's.  I have had some success with my other Sony camera, so hoping for the best.

As I posted before I bought the book "The Successful Treasure Hunter's Secret Manual" last year and have had pretty good luck with it.  Anyone interested in purchasing the book from me will get TWO FREE digital treasure hunting and metal detecting related E-Books for FREE!  You must use this link

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secret manual
.  If you want to see what books you can get for free look at my drawing page at

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In fact, if anyone orders ANYTHING from my store they will get TWO FREE E-Books!

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« Reply #106 on: June 19, 2010, 02:07:30 am »
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Quote:Posted by Hunter Pete
My photographic experiments in the field work for me but I'm only a greenhorn so what do I know?  I've been doing aerial photography so I'm applying some of what I learnt over the those far gone years.  I'm just starting on potential sites with prominance but it looks good to me so far.  It certainly saves on long hours of leg work and means I go straight to where I need to and helps with the digging hours too.  However, there is much time spent on the PC sifting the areas before walking in the not so good weather.

How about giving us a few tips on getting the photographic experiments to work?

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"Gold rides an iron horse." (Old prospector Homefire)

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« Reply #107 on: June 21, 2010, 05:25:15 am »
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Hello Paul
What experimentation have you done to be so categoric?  You may find that it is not quite enough!

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« Reply #108 on: June 21, 2010, 06:13:29 am »
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OK. We have a former aerial  photographer and a chap with handycam selling e-books. Both claim some form of success (presumably to the topic of this thread). Share your methods of success, guys!

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"Gold rides an iron horse." (Old prospector Homefire)

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« Reply #109 on: June 21, 2010, 12:31:59 pm »
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I have a Cannon A640 it takes great pic's but no aura's but I did have some fun with them filters.

Xavier

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So many questions so little time

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