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Anyone Using Iphone 15 Pro Plus For Coin Photography?

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 Posted 02/06/2025  10:39 pm  Show Profile   Bookmark this reply Add Hondo Boguss to your friends list
Ok, I've got it figured out!!! Macro must be turned off and phone at least 7.5" above coin.
Macro is the default setting and must be turned off by clicking the little flower.
Next, position the phone on a stable platform overlooking the coin - minimum 7.5". I had been trying to use the same box as with my i7+, but it is 5". The i15 will not focus at that distance.
I'm quite satisfied with the results. Here are a few examples:
Bhutan 25 Chetrums 1975

Bhutan 25 Chhertum 1979

US 50 Cents 1995: 50th Anniversary of World War II

US 50 Cents 1992-S Columbus Voyage - 500th Anniversary

San Marino 5 Euro 2007: Equal Opportunity

Honduras 2 Centavos 1974
China 1 Fen 1937 (new photo)
Inordinately fascinated by bits of metal with strange markings and figures
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 Posted 02/07/2025  10:55 am  Show Profile   Bookmark this reply Add CollegeBarbers to your friends list

Quote:
Macro must be turned off and phone at least 7.5" above coin.

That's interesting! I'll have to try that. I just upgraded from an iPhone 8 to a 16 Pro. The new camera is incredible, but I'm also having trouble with the lighting. I've been placing my phone only a couple inches above the coin and that captures the most detail, but then the lighting can be tricky. I'll try your suggestion.

What level of zoom do you use from that distance, if any?
Edited by CollegeBarbers
02/07/2025 11:07 am
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 Posted 02/07/2025  11:48 am  Show Profile   Bookmark this reply Add Hondo Boguss to your friends list
CollegeBarbers, it took me almost two months to figure this out. Once you move the phone up away from the coin, lighting is no longer the problem it was.

Quote:
What level of zoom do you use from that distance, if any?

I try to keep it below 5X - enough so that the coin fills the frame but also leave some wiggle room for rotating the image. At higher magnification, the images have strange squiggly pixilation. This is a problem with very small coins, so with those I go back to the macro lens up close. I put the phone on this contrivance - a power cube box with a carpenter's pencil taped to it. Lighting is still an issue, of course. Having the phone at this slight angle does help, however. I'm using a Voncerus LED goose neck lamp which is really nice - https://www.amazon.com/Voncerus-Eye...B5ZBT42?th=1
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 Posted 02/07/2025  3:02 pm  Show Profile   Bookmark this reply Add CollegeBarbers to your friends list
Good to know, I will give that a try! I've been experimenting and found that coins with reflective prooflike surfaces from modern mint sets are the most challenging (I haven't tried regular proof coins yet). Circulated coins are definitely easier.

Quote:
I'm using a Voncerus LED goose neck lamp which is really nice

Great, thank you! I'll order one. Right now I use two Jansjo lights and a table lamp with an incandescent bulb. Do you use more than one Voncerus lamp? What color mode and brightness setting do you use? Do you diffuse the light?
Edited by CollegeBarbers
02/07/2025 3:22 pm
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 Posted 02/07/2025  6:01 pm  Show Profile   Bookmark this reply Add Hondo Boguss to your friends list
I just use one Voncerus - that's all you need. It has an integral diffuser, so you don't need to wrap it with a paper towel or piece of milk carton (like I've done with my other lights).
I set it on the "normal" light - not the warm and not the "blue". It's set at max bright or in the upper range but I change it as needed. But for each, it doesn't seem to matter that much - the phone automatically corrects for both. There are times when I wish it wouldn't, but haven't figured out the proper settings for that.
Proofs (especially silver) and other highly reflective coins (nickel-plated) are a real challenge. You're trying to take a picture of a mirror without getting a reflection of your phone. Also sometimes the coins appear black. Playing with the light angle and the phone angle often lets you get a good image. I also will hold a piece of white or black paper above the coin so that the reflection is lighter or darker as desired.
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 Posted 02/08/2025  2:07 pm  Show Profile   Bookmark this reply Add CollegeBarbers to your friends list
That makes sense, thank you! I ordered one. How do you ordinarily position the light relative to your phone and the coin?

Quote:
Also sometimes the coins appear black.

I'm experiencing the same problem with some reflective coins.

Quote:
Playing with the light angle and the phone angle often lets you get a good image. I also will hold a piece of white or black paper above the coin so that the reflection is lighter or darker as desired.

Those are good ideas! I'll try them. I have a lot of recent mint and proof sets to crack for albums, so I'll be taking plenty of photos to take of those reflective coins.
Edited by CollegeBarbers
02/08/2025 2:07 pm
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 Posted 02/08/2025  2:14 pm  Show Profile   Bookmark this reply Add cptbilly to your friends list
Great photos, Hondo. The proofs are especially nice.
" Even a clock that's stopped is right twice a day. "
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 Posted 02/08/2025  6:12 pm  Show Profile   Bookmark this reply Add Hondo Boguss to your friends list
Thank you, cptbilly!
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 Posted 02/08/2025  6:23 pm  Show Profile   Bookmark this reply Add Hondo Boguss to your friends list
CollegeBarbers, I have the light at the same level as my phone and perpendicular to the coin and phone. It's generally about 5" away from the phone, so it's about a 30 degree angle. I do move it back and forth or rotate it to get the picture to be the best representation of the coin.
When you get pictures of the liberated coins please post them and tell us about your protocol.
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 Posted 02/09/2025  12:11 pm  Show Profile   Bookmark this reply Add CollegeBarbers to your friends list
I think I'm following you. I'll give it a try when it arrives and post my results.

What background do you use? I have an 18% gray card that I use, although I've also read black is better.
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 Posted 02/09/2025  1:20 pm  Show Profile   Bookmark this reply Add jbuck to your friends list

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Ok, I've got it figured out!!! Macro must be turned off and phone at least 7.5" above coin...
Looking good!
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 Posted 03/05/2025  01:13 am  Show Profile   Bookmark this reply Add Hondo Boguss to your friends list

Quote:
I have an 18% gray card that I use, although I've also read black is better.

I use a white coin-flip insert. The phone's mysterious image processing sometimes turns it grey, sometimes not. It depends on how reflective the coin is. I tried using black cardstock but the coin color was shifted.
Here are my most recent photos:
Prince Edward Island Half Penny 1858


India 1 Rupee 1862

US 1 Cent 1839

French West Indies 10 Centimes 1839

Cuba 1 Centavo 1958

Jordan 1/4 Dinar AH1389 (1969) FAO

Slovenia 50 Stotinov 1992

Rwanda-Burundi 1 Franc 1960

Cook Islands 5 Dollars 1978

Inordinately fascinated by bits of metal with strange markings and figures
Edited by Hondo Boguss
03/05/2025 01:15 am
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 Posted 03/05/2025  01:22 am  Show Profile   Bookmark this reply Add Hondo Boguss to your friends list

Quote:
What level of zoom do you use from that distance, if any?

At 7.5", zoom is definitely required. I zoom so that the coin almost fills the frame - roughly 10% slack - because I invariably have to rotate the image a bit when processing it.
For some tiny coins, I will use 7X or more, although I don't fill the frame with them. Here's a tiny one - 15 mm.
British Virgin Islands 1 Cent 1981


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