Donate SIGN UP

Sunday Times Concise

Avatar Image
cruciverbals | 09:52 Tue 27th Oct 2015 | Crosswords
3 Answers
20 DOWN: Film speed unit: D?N



THANKS ALL
Gravatar

Answers

1 to 3 of 3rss feed

Best Answer

No best answer has yet been selected by cruciverbals. Once a best answer has been selected, it will be shown here.

For more on marking an answer as the "Best Answer", please visit our FAQ.
DIN

a formerly used logarithmic expression of the speed of a photographic film, plate, etc, given as –10log10 E, where E is the exposure of a point 0.1 density units above the fog level; high-speed films have high numbers http://www.collinsdictionary.com/dictionary/english/din
Din
Din

1 to 3 of 3rss feed

Do you know the answer?

Sunday Times Concise

Answer Question >>