Having used this before in 35mm, I had to try it in 120 as well. Used in my Pentax 645 and developed in rodinal. Echoing what others have said, if you want maximum contrast then this is the film for you. I dont think its a film for all conditions and subjects, but if you get it right, and are aiming for a contrasty image you wont be disappointed.

I'd previously used a roll of this in 35mm, ignoring the advice and shooting on a bright sunny day. The two-tone results would have delighted any Madness fan! This roll in 120 was saved for bright but overcast day to try and tame the insane contrast a little.

It sort of worked, but really REALLY showed up the vignetting of my 1930s Zeiss Iconta at full aperture. But ignoring that, careful metering and NOT developing in Rodinal certainly seemed to bring out a good range of mid-tones and some beautifully smooth graduations.

Unfortunately, there also appears to be a focus issue with the Iconta. It won't quite reach infinity and closer focus (with distances checked by rangefinder) is short on the scale which makes judging the sharpness of the emulsion a little difficult. Still, where there was something in front of the intended subject the sharpness and resolution does seem to be excellent.

Will undoubtedly be buying more of this because I feel sooo close to getting the hang of it that I can't give up just yet. May have to use a better camera (the Lubitel??? :P ), avoid wide open apertures, and possibly increase development by 30 secs or so to bring the shadows up a little. But it certainly feels like it's one well worth mastering!

Shot at 50iso, developed 9 minutes @ 20 deg C in HC-110 dilution H (1:63).

I've been meaning to shoot this film for a while but I'm always a little skeptical about unusual film stocks. They don't come much more unusual than sound recording film. I'd heard about its very fine grain structure and high contrast but was wondering what would best suit the look of this emulsion. I needn't have worried, it's beautiful for architecture or landscape which is what I was interested in.
I shot it at box speed in my Hasselblad 500c/m on a bright, sunny day. On reflection, I should have slightly underexposed it or used a polariser, as I found the highlights became easily blown out with the highly reflective stonework on the abbey in some of my shots. When it comes together though, it pops but I would say it's not for the faint-hearted or beginner.
I had mine processed at a lab rather than doing it myself and, as suggested in the other reviews, the film curls a lot. After wrestling with it for some preliminary scans, I sandwiched them between some heavy books for a couple of days, which made it much better. Definitely recommend this film if you're looking for something different for architecture or landscape.

The contrast here is insane, while not my typical style of photography I really enjoyed shooting this film. Grain is nonexistant, even relatively 'flat' scenes are rendered stoic and stark. Read some reviews before shooting this to make sure you get the best from it - mainly, it's easier to work with in subdued flat light, and will probably require the use of a tripod at smaller apertures.

Developing:
Ilford Ilfotec DD-X at 1:4, for 8 minutes at 20°C

Scanning:
Tricky to scan as the film curls badly. Extremely difficult to focus on the miniscule grain when DSLR scanning.

So the blurb says it doesn't like the sun much and it's ISO 50. That's never a good start, and my experiments with this on 35mm have been pretty miserable, but I recently picked up a couple of rolls of 120 and I much prefer it in the larger format.

[Pentax 645n at ISO 50, Rodinal 1+25]
It's a contrasty film, of that there's no doubt, but it's not a big fan of low contrast scenes. Skies lose any definition very quickly and only a moody dark sky will show through. Flat scenes still look flat, so it's worth concentrating on the shadows in your image because they will be inky black if you're not careful (unless that's what you want)

Shot this today in pretty miserable light and was very pleased with the results. I can see this being a great Urbex film and wonder if it woudld be good at picking out things like graffiti.

It's very curly and annoying to scan, but the grain is very fine. I can't really comment on sharpness because I was hand-held today often at 1/15 or 1/30 wide open (f4) and so it's difficult to know if the issue was shake, mis-focus, or lens-not-sharp-wide-open issues. As mentioned in the other review, I may well take this out for a spin with some studio lights and see what it's like when I can shoot it at f11 & 1/125.

Will definitely keep a couple of rolls on standby. 8/10