Underexposed negative = positive

[pound]

If you do wetplate photographgy, you might have heard of the saying "a positive is just an underexposed negative." Or " a good negative is a bad positive."

Will this work on film? What happens when I underexposed Shanghai film by 5 stops?

You get a positive. Watch my video to see my tryout


https://youtu.be/OV5Rb25enfE

[Tin Can]

Very interesting Pound

Keep on trying things

Thank you

[John Layton]

Very similar in principle to tintypes/ambrotypes. I always like to look at my underexposed negatives this way...kinda makes up for goofing up the exposure!

[pound]

Yup.. X-ray film seems to exhibit this easily ..maybe due to the fact that it is coated on both sides.

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