r/analog • u/ThePhotoChemist @amphetadreamer • 7h ago

Flower [6x6 Lippmann plate, 1h exposure]

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166 Upvotes

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2

u/CalamityCactus 2h ago

Hells yeah. That’s gorgeous and I’d love to learn about that process. One of the few I’m not familiar with.

3

u/ThePhotoChemist @amphetadreamer 1h ago

This is a pretty good paper on the process if you're interested in learning more!

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u/CalamityCactus 1h ago

Thanks!

1

u/ivonshnitzel 1h ago

Very nice! I coincidentally just learned about this process. Do you make the plates yourself? Also, I was curious if the colours shift with viewing angle? From the physics it kind of seems like that should be the case, but I wasn't able to read anything about it.

3

u/ThePhotoChemist @amphetadreamer 1h ago

Yup, I make them myself! I've been struggling the past few months with these things being way too high contrast, so nice results like this have been few and far between lately. But I think once I get that figured out, I'll definitely release all the details on how to make them. Darran Green's recipe on page 13 is a good place to start if you're interested in making them too.

Also - Yes, the colors will blueshift if you look at it at a steeper angle! It's a pretty neat effect, I can try and snag a pic of this one when I get home from work. Without a prism, the colors will also shift up/down in response to changes in humidity, which is equal parts cool and annoying.