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Author Topic: Reciprocity failure chart for Bergger Pancro 400 film  (Read 252 times)

rxchaos

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Reciprocity failure chart for Bergger Pancro 400 film
« on: January 31, 2018, 03:53:42 PM »

Would anyone have a reciprocity failure chart for Bergger Pancro 400 film.  Bergger's datasheet for the film on their website only has correction information for  1s, 10s and 60s. I was looking a wider range especially between 10s and 60s.  I don't think a liner interpolation of the time between 10s and 60s would be accurate.

The only reciprocity failure app that lists the Pancro400 is for the Android, I can't seem to find any for the iPhone.

This is the information on Bergger's website.
http://bergger.com/media/wysiwyg/Fiches_techniques/BERGGER_PANCRO_400_DATASHEET_01_2017.pdf

Thanks..

-c
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Chris Livsey

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Re: Reciprocity failure chart for Bergger Pancro 400 film
« Reply #1 on: February 01, 2018, 02:39:19 AM »

Here is the chart of time increases for Pancro400 as determined by these tests:

Meter reading:      Change to:
2s                             3s
3s                             4s
4s                             6s
5s                             8s
6s                            11s
7s                            13s
8s                            15s
10s                          21s
12s                          25s
15s                          35s
30s                         1m 30s
45s                         2m 30s
60s                         3m 40s
2m                         8m

Source: https://viewcameraaustralia.org/2017/06/28/review-bergger-pancro400-sheet-film/

Other workers in 35mm and 120 have reported to use Ilford HP5+ times with success.



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