File: IlfordWarm017petit.jpg (1.74 MB, 4793x2626)

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>>4313143
Only quick attempts, while making a pinhole out of a Fed 2 box

Its a lot of fun, use ilford photo paper and it's cheap too

If I remember correctly, using an aluminium can is one of the best ways to set up one of these; cut off the top, put photo paper in, place and unmask pinhole, wait a year and come back, no processing necessary before scanning

Making the pinhole is the hardest part

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File: solarografia.jpg (123 KB, 1280x714)

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>>4313143
I've made two for a photography course and I also have one filming right now since the new year, planning to stop filming in midsummer.

I've used a film canister for my solargraphs. Cut a square hole to the side and put a piece of aluminum or similar material where you make the hole.

Whatever material you use, try to keep the hole as small as possible and clean the edges with sandpaper.

>>4313347
that's when you realize a 0.3mm hole is fucking hard to make by hand, and that's almost the minimum to get any resolution

Though nice job on yours, it looks pretty great
Do you have a pic of the cannister after you modified it?

File: solarografia_canisters.jpg (116 KB, 1280x720)

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>>4313372
Pic was taken with the one on the right. Left was okay too but a bit more blurry. I used a regular pin needle to make the hole.

File: solarografia_2.jpg (152 KB, 1280x659)

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>>4313685
Here's the one taken with the left one.

Pictures were digitized with a regular DSLR with two lights pointing the photo paper in a 45 degree angle. Exposure checked with a gray paper beforehand.

>>4313347
>>4313690
How long did you expose these for? Judging by the sun rings I'd guess around 3-4 weeks, right? Also, did you develop them or just scanned them as they are?

>>4313334
I wonder where did those white marks come from

>>4313704
About three weeks is correct, since the exposing time was tied to the duration of the course. I scanned them as they were, no need to develop solarographs.

File: image.jpg (264 KB, 2048x1756)

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>>4313705
I know some people do develop solargraphs but if I recall correctly that's if you just use one of those semi-diy pinhole boxes for 20-30 seconds of exposure.

>>4313721
Film photography is chemistry