Digital Pinhole Cameras

[Orio]

This is a thread to collect your experiments with digital cameras and pinhole photography. Let's provide our digital beasts with pinhole apertures and see what we can come up with!
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[LucisPictor]

I have tried something like that.
But my results were real cr&p so far.

I will stay tuned, though...

Carsten
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[Orio]

[Maxim]

Today I made a pinhole camera using my E-300, piece of cardboard and alu foil. I haven't experience with pinhole cameras, everything was totally provisional

Results from first hole weren't good. I know, this picture is overexposure Very low contrast and sharpness:



Second hole was also bad... Poor results:



Third hole was a bit better Good contrast, but poor sharpness.




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[Jesito]

Are you shooting with a tripod?.
The third and fourth ones are very good...

Best regards,
Jes.
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[Maxim]

Yes, I used a tripod and self-timer.
In the photos you can see many dirt spots. When I take pictures with normal lens, this problem doesn't exist

Digital pinhole camera is good for macro with DOF from 0 to infinity (but IMHO the angle of view should be wider). ISO 200, 4 sec:



Interesting results with long exposure, also in sunny afternoon. ISO 200, 10 sec:



I'm going to make better pinhole
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[Katastrofo]

Hubert, really like that last picture, very unusual but nice effect.

Steve, like the shots of the French press set and hammock detail!

Bill

[Orio]

Well, congratulations. None of my awkward tentatives of doing pinhole with my digital reflex has ever come out so sharp.

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[shad309]

New to forum. I did some recently with a DIY conversion (body cap, coffe can metal, needle, hammer, tape, & hot glue...)
you can see them at www.flickr.com/photos/shadarington

[Attila]

Nice to see you here!
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[Rob Leslie]

The New Lensbaby range now has the option of being able to fit different optics one of which is a f177 pinhole. The new Composer lens is the ideal one to go with it.
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[kds315*]

I tried pinhole photography some time ago, but was not really impressed:
http://photographyoftheinvisibleworld.blogspot.com/search?q=pinhole
BUT it has the advantage to show all the dirt on your sensor!

1/4sec, f240

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[vilva]

Here are two more pinhole photos taken with a 0.25mm pinhole body cap (f/190) on 5D and post-processed.

In the first photo, the edge of the body cap touched the nearest edge of the plate:



In the second photo the distance from the sensor to the nearest lens is 10cm, and to the farthest lens about 35cm:



The final IQ is the result of multi-phase post-processing with GIMP:

1. add Gaussian blur to hide some diffraction noise, radius=4.0
2. down-sample to 3000 pixel wide
3. USM radius = 5.0, amount = 0.50
4. down-sample to 2200
5. USM radius = 3.8, amount = 0.40
6. down-sample to 1500
7. USM radius = 2.1, amount = 0.40
8. down-sample to 900
9. USM radius = 0.8, amount = 0.40
10. refocus = 0.8, noise = 0.02

I'm not sure whether this procedure is optimal, but the results are OK. This isn't your traditional pinhole photography, but the idea is to chart out the technical possibilities for those situations where lenses are simply inadequate and even layered focusing breaks down.

Veijo
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[Orio]

Brilliant compositions, Veijo. I especially like the second one.
What is your feeling regarding digital and pinhole?
Do you think digital is better/same/worse than film as pinhole "medium"?

I somehow seem to prefer film to digital for this application (I am speaking purely on aesthetical level)
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[vilva]