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The same photographer has two other photographs[^1] which previously were ranked highly in the contest. All seem to focus on chemical reactions and are stunning.

Interestingly, the previous two—of a candle and match—used 2.5x magnification, where as this one required 20x magnification, which just goes to show as to how tiny the printer mechanics really are.

[^1]: https://nikonsmallworld.com/people/ole-bielfeldt

Interesting, the Match Strike (2nd place in 2023) seems counter intuitive to me. The flames are leading the match with the following edge clearly visible.

When I first saw his inkjet shot I refused to believe it wasn't completely CGI. So, I take it there is a degree of artistic freedom to compose a shot that may not be indicative of the actual subject? Then the line is drawn with AI enhancement?

Regarding this image, the article states: "Bielfeldt does not use AI in his images, preferring to rely on traditional techniques."

So I would presume it also refers to his other works?

Absolutely, I'm not suggesting AI was used, just curious about the level of artistic creativity allowed when composing the image.

For me, colour enhancements are expected, compositions is where we leave reality. Either way, all of these images are an amazing insight into a world too small to see with the naked eye.

When I first saw this photo I refused to believe it was real. This is just so otherworldly, it's fantastic.
I still have misgivings that it is AI generated or modified, but assume that the judges have done their due diligence. I’m a little saddened that I now have to question things such as this.
From the article: “Bielfeldt does not use AI in his images, preferring to rely on traditional techniques.”
It's not AI, but it is a stacked photo.
It’s a great photo, but the second-place jumping spider is my favorite: it is just so adorable.

https://www.nikonsmallworld.com/galleries/2026-photomicrogra...

It is! What are the little balls, are they pollen?
This pic reminds me of the Children of Time series of novels
I will never moan again about having pollen in my eyes during hayfever season.
Is it so adorable because of the eyes? I don't think spiders have pupils. That effect seems to be a reflection of the camera/lens/apparatus taking the picture, rather than the actual spider.
For me its the seemingly cross-eyed look combined with the bits of pollen that remind me of a flower child i.e. a hippie spider.
I have hard time accepting this is a real image. Do pollen really look like that?!
I'm guessing the pollen grains on it also look neat.
Inkjet printers for their faults are some of the most insane technology that I can think of.
"Neurons in an expanded mouse brain" (3rd place) is also stunning:

https://www.nikonsmallworld.com/galleries/2026-photomicrogra...

It's hard to believe this is a real photo. Our world truly is beautiful - across all scales!

i'm not an expert but i think the word expansion here is referring to techniques they use to spread everything out in order to make it easier to see. someone told me that they use the same material that baby diapers are made out of which expands when you soak it in water.
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Yes, sodium polyacrylate is used in both expansion microscopy and baby diapers.

However you also need a few other ingredients to ensure isotropic expansion, or otherwise the expanded sample isn't scaled uniformly in all axis and you get a skewed view of the sample.

Looks like this is the instragram page of the photographer for the inkjet photo.

It's very obviously not a standard inkjet printer setup, but if you poke around you'll see some custom rigs that make it come together.

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There is an interesting video of his rig for this shot in this article: https://www.nikonsmallworld.com/masters-of-microscopy/ole-bi...
The video is nice but the movement is inverted from the photo.

I would like to redo the setup myself.

basically: some aluminum extrusion for structure, some linear actuators for adjusting the position, and a nice camera with a nice objective. Plus he took apart the printer to get the sample in frame and controllable.
Next, I would like him to visualize the "macro" economy side of things too.
Pollen (second photo with the spider) looks so sinister!
Thanks for sharing - what an incredible perspective on the mundane. Seriously seems like peering into an alien world and really it's just what's happen while someone sips their coffee and stares at a wall haha.

Anyone seen Thirteenth Floor that old 90s VR movie? Really reminds me of the power for that.

That was a very good movie. I really liked it, even if the ending was predictable.
I've been seeing this photo all over the place recently.
When you look at those globs of ink hanging from the print head, you start wondering how anything ever gets printed cleanly...
Inkjet printers are incredible technology taken for granted by how cheap the printing hardware has become in a short period of time. Printer companies moving towards rent seeking also doesn't help appreciate how incredible it is that for 50 bucks you can have technology that launches droplets with a precision measured in micrometers.
The edge of that sheet of paper looks like nothing I've seen before under the microscope when looking at edges of sheets of paper (it's a very easily accessible "small thing" to look at). Any paper I looked at was always far more irregular and fibrous, with many hanging fibers on the sides, never anything so homogeneous and clear cut.

This material looks more like the cushion pads that you'd find covering the chocolates in a chocolate box or similar application. I see the same patterns, with the plastic like top and bottom surfaces and, depending on the type, a "foamy" middle.

I read the description of the setup and that the paper was actually the moving part. Is it possible that he used a sturdier type of paper to take this strain?

“Ole Bielfeldt’s winning image embodies what makes Nikon Small World so powerful…”

PR speak is so awful. You made it a whole seven words without talking about yourself, congratulations.

It would be funny if it was a Canon printer. Their quality and reliability are another league.
This winning photo looks like a modern demoscene production!
I always try to convine my comments to the content of the article, but the captcha here has gone beyond all sense. It's presenting gen AI images of household items and asking me to identify e.g. the curtains... To prove that I'm human. It's literally a game of "guess what was in the prompt that generated this"... To prove that I'm human.
Wait till you get the captchas that are serving what appears to be local imagery data. Spooky.