Frame numbers were there, but no arrow.Can't be of much help, but I've used Portra in 120 recently (Porta 400 to be specific) and my roll had the black arrow on the backing paper. Were the frame numbers, etc. also missing?
I sacrificed a roll of 120 film recently for demo purposes and while I was demoing, I discovered that the familiar black arrow on the paper backing was missing. I pulled out the roll, since it was already trashed, but no arrow. Not anywhere.
I am a senior and I forget things but I looked at the roll from start to finish. Am I losing my mind and just getting more geezery by the day? Or is the arrow no longer there?
Just for the record, it was a roll of Portra.
Without the arrow, how will one know where to start the roll?
Not all films use arrows as Start marks. Some use dots. I believe that the arrows in question are seen through the window, mid-roll.
Frame numbers were there, but no arrow.
Regarding "warning marks" prior to exposure numbers... I can't recall what Portra used (despite shooting some in a folder camera just a few months ago) but they were present.
Thanks for contacting Kodak Alaris.
Below is the standard layout for all of our 120 backing papers. The top track is 645, the middle track is 6x6, and the bottom track is 6x9. The positioning is based on ANSI / ISO standards.
This is a cut & paste, so ignore the red lines. Also, the series of vertical lines along the top track is there for the factory to verify that the film placement is correct (at spooling). The lead edge of the film should fall in the middle.
Hope this helps.
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