There’s not much out there about this film, just a few images on Flickr and some random posts and remembrances on various message boards. Oh, and some expired/sold auctions and sales of old advertisements for it: General Aniline and Film (GAF) used an Irving Penn photo in an add for it back in 1961…
According to Compania Imago, the batch they rolled expired in 1964, and they recommend an EI of 100-200 for it. Now, depending on storage conditions, and depending on who you ask, film loses sensitivity at around 1 stop per decade, and the various message boards above indicate that Ansco/GAF Super Hypan was rated at “the old 320, which I think corresponds to 400” and about which I have absolutely no idea, and if you just guesstimate, rate the Super Hypan at 400 and lop off .66 stops/decade, then you can get to something like ISO 100-200, though the lone recipe filmdev.org pulled from flickr suggested 50.
Anyway.
I exposed it at 125, and developed using my times for FP4+ and D76 1+1 with 1 minute added just for grins, and because I saw some indication that maybe the film should be developed as if it was still a 400 speed film… But I did something wrong: the negatives came out very dense, with virtually no bright white highlights and totally crushed blacks. Continue reading “Ansco Super Hypan (Compania Imago)”