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Camera Hates This Coin

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Jon K's Avatar
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 Posted 01/28/2014  10:10 am Show Profile   Bookmark this topic Add Jon K to your friends list Get a Link to this Message Number of Subscribers
I have an MS-67 Washington that is really quite nice in hand. In hand, the eye goes right through the tone and captures the underlying luster and character of the coin. Not perfect, but very, very nice.
The photographs that I have shot show the obverse to be horribly mottled and uuuuuuugly. That is not the case at all.
And the reverse photos show to be almost black. Untrue!! The reverse is very pleasing to the eye, with a bit of blue metallic color just starting to show.
Any suggestions as to how to de-emphasize the mottled tone?
And capture some of the coin underneath?
I would not be so concerned, but I am upgrading my collection and need to sell this one. Whatever I do, I can't be deceitful. But my camera is just murdering this coin. I can generate no interest at all with these pics, and understandably so.
Camera-Hates-This-Coin

Camera-Hates-This-Coin
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BStrauss3's Avatar
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 Posted 01/28/2014  10:50 am  Show Profile   Bookmark this reply Add BStrauss3 to your friends list Get a Link to this Reply
Simply, your eye and the camera sensor are sensitive to different wavelengths of light in different ways.

See this which shows the dip in sensitivity to some blues: http://hyperphysics.phy-astr.gsu.ed.../colcon.html

vs this for a camera sensor: http://www.dxomark.com/About/In-dep...-sensitivity or this: http://www.cis.rit.edu/jwgu/research/camspec/

note especially charts d and e - d shows the sensitivity by color and the unevenness of it and e shows the difference between what they measured and the actual daylight.
-----Burton
50+ year / Life / Emeritus ANA member (joined 12/1/1973)
Life member: Numismatics International, CONECA
Member: TNA, FtWCC, NETCC, EveryCountry (online) coin club
Owned by three cats and a wife of 40+ years (joined 1983)

Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/
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United States
110 Posts
 Posted 01/28/2014  12:22 pm  Show Profile   Bookmark this reply Add Duncan_Doenitz to your friends list Get a Link to this Reply
It's perhaps a bit unorthodox, but you could try photos in direct sunlight, at different angles. Sometimes the bright sunlight can cut through the darkness, it has sometimes worked for me, showing more of what the eye sees.

I have a Civil War token, one of really only a couple examples of strong toning among my coins. It has so far resisted good photography, and you have inspired me to dig it out and try again. Beautiful rainbow hues on it, but dark, so it looks like soot or fire damage in photos. I did recently do a few other dark coins in sunlight, and if there is a problem, it seems that they can come out TOO light, but thanks for the nudge, it's minus 10 degrees F outside so this is a good indoor project.

-Duncan

PS: I'd also suggest a careful description, it sounds like a nice coin, let potential buyers know about it.
Edited by Duncan_Doenitz
01/28/2014 12:26 pm
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Jon K's Avatar
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 Posted 01/28/2014  1:00 pm  Show Profile   Bookmark this reply Add Jon K to your friends list Get a Link to this Reply

Quote:
Simply, your eye and the camera sensor are sensitive to different wavelengths of light in different ways.

See this which shows the dip in sensitivity to some blues: http://hyperphysics.phy-astr.gsu.ed.../colcon.html

vs this for a camera sensor: http://www.dxomark.com/About/In-dep...-sensitivity or this: http://www.cis.rit.edu/jwgu/research/camspec/

note especially charts d and e - d shows the sensitivity by color and the unevenness of it and e shows the difference between what they measured and the actual daylight.


OK, I clicked those links. Now I know how Penny feels when Sheldon speaks to her.



Olympus 510 SLR Digital. Full manual. I have tried every aperture and shutter speed under the sun.
To Duncan's point, I have not actually tried "under the sun". And that ain't happening today either! It is snowing in Louisiana!! Ice on all the bridges. They's about to shut down the state!
I will try some natural light when I get a chance.
Anybody deal with a similar problem? Got a button to push?
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BStrauss3's Avatar
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 Posted 01/28/2014  1:17 pm  Show Profile   Bookmark this reply Add BStrauss3 to your friends list Get a Link to this Reply
Not yet - reason I jumped in is because I have a proof birth year set and the Ben has the same problem.

-----Burton

-----Burton
50+ year / Life / Emeritus ANA member (joined 12/1/1973)
Life member: Numismatics International, CONECA
Member: TNA, FtWCC, NETCC, EveryCountry (online) coin club
Owned by three cats and a wife of 40+ years (joined 1983)

Author: 3rd Edition of the Sample Slabs book, https://www.sampleslabs.info/
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SsuperDdave's Avatar
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 Posted 01/28/2014  1:22 pm  Show Profile   Bookmark this reply Add SsuperDdave to your friends list Get a Link to this Reply

Quote:
Anybody deal with a similar problem? Got a button to push?


It's going to be a bit of work on your part, but axial lighting should help a lot with the appearance of the coin - it'll bring out the true color. Do a Forum Search in this forum for "axial lighting;" we talk about it a fair amount.
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Jon K's Avatar
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 Posted 01/28/2014  2:37 pm  Show Profile   Bookmark this reply Add Jon K to your friends list Get a Link to this Reply
Dave, I actually have an awesome axial lighting setup. I put that together a couple years ago, but I was never impressed with the results. Direct lighting has been the ticket.
If you think it would be indicated in this example, I can dig it out and throw it back together in just a few minutes.
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SsuperDdave's Avatar
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 Posted 01/28/2014  3:04 pm  Show Profile   Bookmark this reply Add SsuperDdave to your friends list Get a Link to this Reply

Quote:
If you think it would be indicated in this example, I can dig it out and throw it back together in just a few minutes.


Awesome! Axial lighting is the go-to solution for toning. It's tough for other aspects of coin imaging, but definitely worth a shot in this case.
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 Posted 01/28/2014  5:26 pm  Show Profile   Bookmark this reply Add Duncan_Doenitz to your friends list Get a Link to this Reply
Here's my tough-to-photograph Civil War token. You initially asked how to cut through to the coin itself, and here's how sunlight picks up more of the color of the coin and not the luster.

Camera-Hates-This-Coin


This is NOT expert photography in any sense, I know it is crude and it does not really show what the coin looks like when held, so it's really a false image. In real life it is very dark and has subtle deep blue toning, but what makes it look good is the way it flashes when held and manipulated so the light picks up the flash and color changes, and that doesn't seem to translate well in a still photo.

-Duncan

Oh, I should've mentioned, the token is 135/441a. And it's below zero outside, this was taken with sunlight coming in the window.


Edited by Duncan_Doenitz
01/28/2014 5:30 pm
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duncanbishop24's Avatar
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 Posted 01/28/2014  5:33 pm  Show Profile   Bookmark this reply Add duncanbishop24 to your friends list Get a Link to this Reply
Awesome token! And nice to know there is another new member named Duncan! Nice to meet you!
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 Posted 01/28/2014  5:43 pm  Show Profile   Bookmark this reply Add Duncan_Doenitz to your friends list Get a Link to this Reply
Ditto, Duncan.

I just figured out I'm DD, which seems like appropriate initials for a coin forum.

-DD
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SsuperDdave's Avatar
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 Posted 01/28/2014  5:51 pm  Show Profile   Bookmark this reply Add SsuperDdave to your friends list Get a Link to this Reply
Cool! You're an RPM!
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duncanbishop24's Avatar
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 Posted 01/28/2014  7:07 pm  Show Profile   Bookmark this reply Add duncanbishop24 to your friends list Get a Link to this Reply
I'm well familiar with the nickname donuts. Not even kidding you, our credit union branch manager when I started working for her this summer wrote memos and emails as "Dunkin Bishop". I was used to it though haha.
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Jon K's Avatar
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 Posted 01/28/2014  9:18 pm  Show Profile   Bookmark this reply Add Jon K to your friends list Get a Link to this Reply
I am having trouble getting enough light on it through the axial setup. All the light that I have, still not enough.
I can open the aperture wide open, but all the detail is washed out.
If I choke it down, say to f-8, I am looking at long exposure and still it is dark. Six second exposure.
So far nothing is working, which if I remember right is why I never got very far with the axial rig in the first place.
I need more light.
Am I doing something wrong?
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Jon K's Avatar
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 Posted 01/28/2014  10:47 pm  Show Profile   Bookmark this reply Add Jon K to your friends list Get a Link to this Reply
I am having trouble getting enough light on it through the axial setup. All the light that I have, still not enough.
I can open the aperture wide open, but all the detail is washed out.
If I choke it down, say to f-8, I am looking at long exposure and still it is dark. Six second exposure.
So far nothing is working, which if I remember right is why I never got very far with the axial rig in the first place.
I need more light.
Am I doing something wrong?
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austrokiwi's Avatar
2087 Posts
 Posted 01/29/2014  07:14 am  Show Profile   Bookmark this reply Add austrokiwi to your friends list Get a Link to this Reply

Quote:
I am having trouble getting enough light on it through the axial setup. All the light that I have, still not enough.
I can open the aperture wide open, but all the detail is washed out.


It may well be your set up. With axial lighting the beam splitting glass( or perspex) is the best. Here are two photos of my axial set up. IMHO plain glass is a waste of time. Actually to take the photographs I now wonder if it might be better to put the light where I usually mount the camera and put the camera where the light usually is...and photograph the reflection of the coin. BTW janscos are inadequate for axial lighting

Camera-Hates-This-Coin


Camera-Hates-This-Coin

For those interested photo was taken with a manual focus 24mm wide angle
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