Is the Astrum film the same as Silberra U200 and U400?
That film is so Incredibly thin that u cut it after multiple attempts getting it in the reel.
Possibly. I don’t know enough about them to know for certain though. And actually, I’ve had minimal issues getting it steel reels honestly, other then it being slightly fiddly to get stuck to the center of the reel it goes on extremely smoothly.
Photographers use this every day. It's called a half-frame camera. There are over a dozen new half-frame cameras in the last year or two -- and there are COUNTLESS older half-frame cameras out there too, even SLRs. It's far from DEAD.
http://www.subclub.org/shop/halframe.htm
I am aware that half frame cameras can double the amount of exposures you can take on a normal roll of film, actually what I am referring to here is a double length, approximately 10 ft roll of film that allows you to take 72 full frame exposures on one roll. In a half frame camera, you might get close to 150 frames!