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The chemical process by which the latent image on exposed film is turned into a visible image.

2 votes
1 answer
1k views

Paper ISO with no filtering

I'm looking at the Fomaspeed VARIANT paper's technical sheet. I want to learn what is the ISO speed of this film (I need this to evaluate the exposure time in a pinhole camera) - and the spec says (se …
kamituel's user avatar
  • 247
7 votes
2 answers
3k views

Why do my prints darken too quickly in the developer tray?

I'm playing with a pinhole camera recently.¹ It's the first time I'm actually developing photos myself. On my developer bottle it says I should use 1 unit of it and mix it with 9 units of water. … Now, I've read in some old photography book, that the brightness of the photo depends on the exposure time, and contrast of the photo depends on the developing time (time spent in the developer tray). …
kamituel's user avatar
  • 247