Forgotten in its old age

by Aditya

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8
votes
2answers
640 views

Does reciprocity failure (Schwarzschild effect) exist in digital photography?

In analog photography (film) there was an effect called "Schwartschild effect", or Reciprocity failure when making long exposures (usually more than few seconds). Some film brands created ...
21
votes
1answer
886 views

What is “reciprocity failure”?

What is "reciprocity failure" when used in the context of film?