Adox CMS 20 II Pro - 35mm Film

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One of the sharpest black-and-white 35mm films in existence, the fine grain and low light sensitivity means that prints can typically be enlarged to over 2.5m diagonally without loss of resolution or detail! ISO 12 (up to 20 depending on development process) means you will need lots of light or a steady hand/tripod - but you will be well rewarded with a super-premium look



Format: 35mm
Colour: B&W
Type: Negative
ISO: 12
Exposures: 36
Pack size: 1


To understand more about the details above you can check out our film guide or if you want some inspiration then head over to our page on choosing your next film. And if you want the full details about the film, including technical information, read about Adox CMS over on EMULSIVE.


Adox is one of the oldest photographic brands in the world, established in Germany in 1860 by Dr. Carl Schleussner - who worked on early wet-collodion plates and X-ray plates. The company started marketing their own cameras in the early 20th Century, and introduced a line of B&W films in 1952 that became renowned for their sharpness of resolution. A difficult end to the last century saw the brand change hands multiple times - and now Adox films are produced by Fotoimpex across manufacturing plants in Germany and Switzerland. Their products remain very high quality with a focus on emulsions that resolve incredible levels of detail and contrast.

For more information about the brand check out our bio of Adox

All sample photos (c) Dennis Skley


Where we ship

When you buy your camera film from us we can ship it across the UK, Europe, USA, New Zealand, Australia and Canada (more countries planned soon!) So buy your Adox CMS Film 35mm B&W ISO 12 today and dive back into the fun of 35mm film photography!

The Analogue WonderLab

When you’ve shot your roll of film and are looking to get it developed and scanned, then look no further than the Analogue WonderLab!

We can process your film for you, scan it at the resolution you need, and email back the files quickly and securely.

We offer FREE tracked shipping to our lab so that you can send us your negatives with total peace of mind. And our lab team are all passionate film shooters themselves, so you know that your film will get the best possible treatment!

Head to the WonderLab page here to read more details, or add the bundled developing above when you purchase your film.

Please note that our long-term aim is to offer developing for every film that we sell, but this is a work-in-progress. For full details and FAQs please head here

How Does the Bundled Developing Work?

To make your analogue adventures even easier (and cheaper!) we’ve implemented the option to pre-pay for your processing when you buy your film. This means that you choose your developing and scanning options on this page, via the little tick-box above, and add everything to basket for an immediate 10% saving on all processing costs.

Your film will be dispatched in line with our usual shipping times (full details here) and you will also get an email with instructions on sending the film back to the WonderLab (with tracked shipping - on us!)

When you have shot the film - whether that takes you a day, month or year - you generate the free tracked postage label by following the simple instructions from the email, and pop it in the post with a note of your original order number. We’ll do the rest!

So buy the bundle and relax into the shooting process, knowing that you’ll get to see the final results from your photography, without having to reach for your wallet again.

Happy Shooting!

We send all parcels via TRACKED service - free in the UK for orders of film over £50.

This means that when you buy your film from us you will be emailed a tracking link at dispatch, and will be able to follow your parcel’s journey all the way to safe arrival.

Please note that it is not a signed service so you won’t need to be at home to receive your film, and our letterbox-friendly boxes fit through the vast majority of European letterboxes!

You will have different shipping options and costs at checkout, depending on how quickly you need your film. Please refer to the Delivery Details page for full information

Get Inspired

Visit our Wall of Inspiration to read different film reviews and see images from our talented Analogue Wonderland community.

Take a look

Customer Reviews

Based on 9 reviews
Perfect for: Portraits, Landscapes, Architecture, Creative/Abstract
Sharing with the Film Community: Yes
Accreditation Handles:
Stunning contrast

I'm a bit of a fan of Adox films in general, but this one really blew me away.

OK, it's a low ISO film which is very contrasty. So you need to be very particular in how you meter. I shot it in my Olympus OM10 which only goes down to 25iso, but the lighting conditions meant I should have been metering at 12iso. So that meant every shot had to be manual - not a big issue, but if you don't like shooting manual then keep that in mind. Because you will want to take a couple of readings of your subject.

But if you get all that right then it is a stunning film. Loads of lovely contrast but not harshly so. There are excellent gradients between the tones and bags of detail.

Now, if only they did it in 120.......!!!!!!

Perfect for: Landscapes, Architecture, Creative/Abstract, Studio work
Sharing with the Film Community: Yes
Accreditation Handles: @eo_pho on instagram
Eerily grainless, spookily high contrast

This film is about as totally opposite to an all-rounder as you can get... though it is something truly different for the adventurous among you. The name of the game here is contrast control, i'd advise shooting at ISO 12 unless you really want that contrast to dominate the image.

My sample shot was taken on an overcast day (low-contrast) at ISO 20 and developed in half-strength caffenol-CL for double the usual time (that you would use for full-strength) to try and control the contrast. The recommended developer may be better but is expensive and has a short shelf life, so I would only purchase that if you were planning to shoot this a lot in a short period, which for the type of film this is... I don't see anyone doing with any regularity outside of one project perhaps.

As I alluded to in the title, the results will haunt your dreams of past films shot with it's near total lack of visible grain and incredibly fine detail and acutance.

Adam Goodwin
Perfect for: Beginners, Landscapes, Travel
Sharing with the Film Community: Yes
Accreditation Handles: Insta - @adamgoodwindesign

Very nice film with a great tonal range. Perfect for landscapes - making sure you're shooting in the right conditions!
I shot the film on a overcast day, in most shots the ground looks great but the sky is a bit over exposed. Great beginner film though, perfect for helping learn cameras settings and location conditions.

Perfect for: Landscapes, Architecture, Creative/Abstract, Studio work
Sharing with the Film Community: Yes
Accreditation Handles: monkeypuncher (flickr)
Grain, what grain?

Ridiculously cheap for what it is but check how much development will cost you before committing, I was charged £20 and if you're developing it yourself you'll either want to get the correct developer or do a lot of research/testing.
I shot most of the roll hand-held at box speed on a sunny day, with some additional shots indoors to test reciprocity failure. To shoot hand-held I used my fastest lens (Minolta AF 50mm/1.4) and kept the aperture between f/2 and f/4 at all times.
The results are excellent when you get it right and grain is undetectable when scanned at 7200dpi on a plustek 8100, with clear detail down to pixel level. Yes, you could probably get better results with a medium format camera but for 35mm there's nothing that I can think of that comes close to the resolution you can achieve with this film. To provide as best an illustration I have included a crop off the sign on the post box in the photos below where it has resolved all of the lettering at a distance of roughly 3m

Benjamin Wilson
Perfect for: Street Photography, Architecture, Creative/Abstract, Studio work
Sharing with the Film Community: Yes
Accreditation Handles: @jamburrito1
Really great detail

Brilliant film, has a really fine grain and the photos come out with great gloomy contrast. Will definitely be using it again although my local development lab had trouble scanning the film.