Solargraphy

[glajciorz]

It seems that longening the exposure shifts colours towards blue. There were no blues on my 3-months exposure, but with 6 months there were.
Tom, would you try recording sun paths with your camera ? During let's say 1-2 days (for the beginning ) ?
Another idea - why not load the camera with low-sensitivity material (for example holographic plate) ? What I mean - with a pinhole camera the aperture is extremally small, so one uses relatively high-sensitivity material (photo paper). With a camera with f/2 lens a less sensitive material should work.
Or maybe a combination of Polaroid material, classical camera and long exposure would give interesting results.

greetings
Adam

[Tom B.]

With a test strip of the Ilford paper in direct sunlight, it eventually darkens to a light neutral grey after about 1/2 hour and then stops (self limiting). I might try some more things this weekend - weather permitting. I have some old unexposed PFG-01 film (a dud batch) that I can try, too.