[Frameworks] Perforated images in reversal film

[Friedemann Wachsmuth]

These where Film type marks for any film coming in unlabeled daylight spools. Usually, they were letters and numbers, and punched across the full 16mm width. A 8mm strand showed this just half of the code. 

Beside Film Type codes, they often also said "HALF EXPOSED" on the other end. 

> Am 04.09.2021 um 10:21 schrieb FrameWorks Admin <frameworks at re-voir.com>:
> 
> 
> Question from a friend (as they say):
> 
> Daylight spools of reversal film used to have perforations in the image near the tail.
> I assume this was a way for the developing machines to detect the end of a roll?
> Does anyone have more information? Why have they disappeared?
> 
> Thanks,
> Pip Chodorov
> 
> 
> 
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