Ugh - I just need to stop posting here from Tapatalk on my iPhone. I overlook these funny autocorrect mistakes too much.
I'm posting this from the phone BTW and it tried to make "funny" above into "grubby." At least I caught it!
I've shot a couple of rolls with this film. It's totally different from any other 120 I've shot so far, but not in the way you might think.
Loading them in my 120 backs, I wind it along up to the arrows which I assume is the start point before you close the back and wind onto the first frame.
When shooting them in my Mamiya, the backs tend to stop winding around frame 8 or 9 of 10, and I realise I have to unload them in the dark. Taking them out in my darkroom, they usually end up exploding open and I have to respool them back onto the spool to get it right. But then when I check in the light, it's the black side of the backing paper facing forward instead of the coloured side as normal. So I usually have to end up unrolling the roll and then re-rolling it the other way so that the coloured side of the backing paper is facing outward.
Both test rolls ended up being blank.
Was this some foible of Agfa film, or what? I have a feeling I may have to open a sacrificial roll just to see how it was rolled and whether I will have to re-roll it or not.
Can't tell you. I've run a couple of rolls through my Mamiya 645 Pro with absolutely no problems at all, but mine are 220 rolls I got in a batch deal.
It sounds like you've loaded the film in backtofront. It doesn't go directly around the spool to the dark slide, it goes under the spool, then back around to the dark slide. I had this problem myself when I first used the camera.
I still have some Optima 100 in 35mm that has been cold stored since new. I shot a couple of rolls a year or so ago and it was as good as new -- no speed loss, no color crossover. It is a bit "retro" with fairly high contrast and saturation. I really like it.
I have about 2,000 feet of 35mm Agfa Portrait that's unperforated and which I can shoot in a modified Nikkormat Ftn. It hasn't kept as well. It seems to be around ISO 100 (expired '06) but has very little exposure latitude. Very retro grain, and doesn't compare well to films like Portra. Maybe this is because of degradation more than anything. It's still very useable but I am apprehensive because of the lack of latitude. Maybe I'll get some out of the freezer to play with tomorrow.