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OmahaNebraska's avatar

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This is a test shot of my newest creation.

So, I've made myself a 360 degree panoramic pinhole camera. It's a little over 8 inches tall and 24 inches in diameter. The inside of the camera is home to a round particle board 'drum' on which I can mount light sensitive materials up to 8x10 inches. It's been spray painted matte black on the inside and has 6 pinholes spaced evenly around the surface.

Each hole has a focal length of ~65mm and each hole is ~.4572mm in diameter. This gives me a relative f/stop of 142

Exposure is aprox 79x more than f/16.

These were made on 2 5x7 pieces of photo paper taped together and developed in my bathroom. I'm expecting the quality to improve vastly when I add a tripod mount and have access to unfogged paper and better quality chemicals. I've had my developer, stop, and fixer sitting on a shelf in glass jars for ..oh, about 8 months now and the paper was under my mattress, so I'm pretty sure I can do better when I buy new supplies for it :giggle:
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© 2008 - 2021 OmahaNebraska
Comments19
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Art2mys's avatar
Great experimentations! :clap:
inayaART's avatar
really great!
Disphotic's avatar
Haha nice idea!
mixdown's avatar
Dream patches.
MrMushroomMan's avatar
I've heard Rodinal developer [the agfa stuff] keeps pretty much until the end of time :paranoid:
OmahaNebraska's avatar
I don't even remember what I'm using, i mixed them in wine bottles and had only written what they were on paper which has since gotten wet and kind of bled together :O

I'll probably just use the school darkroom for everything else. I really need new paper though D: I'm kind of worried by the way the images came out SO vignetted, they are like little 2 inch circles instead of filling the whole piece? D: troubleshooting shall be long and boooring I'm sure.
sweetzoomer's avatar
Wouldn't the distance between the pinhole and the paper be the factor?
MrMushroomMan's avatar
Well if you ever buy some more developer, Rodinal seems right up our ally when it comes to cheapskates like us [link] :paranoid: and it lasts forever [link] :groucho:

You could always try some positive paper [link]
It's probably the pinhole size in relation to the size of the paper and/or distance from the paper.
OmahaNebraska's avatar
I don't know, I'll have to ask my teacher I guess. Because the pinhole to the film plane shouldn't cause too much of a problem, just make it a super wide angle and the pinhole size is, well, it's .018 inches instead of the .0113 inches that is optimal for the camera but I don't know. Maybe it's one of those. I think what's going on is that the holes I drilled in the actual cardboard part of the camera are too small and I need to open it up so there isn't as much interference between the light and the thickness of the cardboard :O
MrMushroomMan's avatar
did you ever figure out what it was? :paranoid:
OmahaNebraska's avatar
It's the size of the holes drilled in the cardboard, the light is getting restricted -_- now i have to go find a drill. damn it all!
psychictv's avatar
your explanations really help me out alot. thank you.

are you doing all of this for school?
OmahaNebraska's avatar
Yup, I'm taking photo history class and we all have to make a pinhole camera, and since I've made some before I've decided to make things a bit more complicated with the full 360 view. I think I goofed up some calculations though because it's vignetting so much :O lots of troubleshooting for me.
Birgit-Zartl-Art's avatar
wow, that's wonderfully creative, I love it :heart:
VampiricKitsuneKit's avatar
:O That's very interesting.

I like it a lot. :)
Mysterious-Spirit's avatar
The result almost looks surreal.
I love it :heart:
OmahaNebraska's avatar
pinholes can do that :nod: thank you :dance:
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