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Still developed here, in our own lab

120 film developing
and format guide

Yes, 120 film developing is still available, and we do it in our own lab. Color (C-41), black & white and E-6 transparency rolls of medium format film are developed and scanned in-house, uploaded to your free web gallery, and your negatives are mailed back. 620 and 220 rolls are welcome too.

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A roll of 120 medium format film and its box, ready to be mailed to The Darkroom for 120 film developing We processC-41 · B&W · E-6 Quality developingSince 1976

Is this your film?

Found a paper-wrapped roll in a camera bag or inside an old box camera and not sure what it is? Here’s how to tell 120 film from its medium format cousins.

A roll of 120 film partly unrolled to show the spool and black backing paper
  • A roll on a spool, not a cassette. The film is wound with a strip of black backing paper on a plastic (or, on older rolls, metal) spool about 2.5 inches long, and an unexposed roll is sealed with a paper band.
  • Wide film with no sprocket holes. The strip is about 2.4 inches (61.5mm) across, and each negative has three to five times the area of a 35mm frame.
  • Frame numbers printed on the backing paper. Three rows of numbers, one each for 6×4.5, 6×6 and 6×9 cameras, show through the red window on the back of older cameras.
  • Common cameras: Holga 120N and Diana F+, Hasselblad 500 series, Mamiya RB67, RZ67 and 645, Pentax 67, Rolleiflex and Yashica twin-lens reflexes, and the Kodak Brownie box cameras the format was made for.

Developing 120 film at The Darkroom

Medium format rolls run through our Refrema dip-and-dunk developers, where the film hangs on racks instead of passing through rollers. Here’s what we process, what you get back, and what to check before you mail it.

What we process

  • Color print 120 film (C-41): Kodak Portra, Ektar and Gold, Fujifilm, Lomography, CineStill and more
  • True black & white 120 film: Ilford HP5 Plus, FP4 Plus and Delta, Kodak Tri-X and T-Max, Fomapan, Kentmere and more
  • C-41 black & white film such as Ilford XP2 Super
  • Transparency 120 film (E-6): Ektachrome E100, Velvia, Provia and other E-6 films
  • 620 and 220 rolls, cross-processed and redscale film, push and pull
  • Old and expired 120 film of any brand

What you get back

  • Developing, with your negatives mailed back
  • Scans uploaded to your free online gallery, with an email the moment they land
  • Standard, Enhanced or Super scans. 120 negatives hold a lot of detail, so Enhanced is our recommendation and Super is worth it for big prints
  • Every frame color, contrast and density adjusted, or left uncorrected if you prefer
  • Optional 4×6 or 5×7 color prints, or true B&W prints

Before you send it

  • Color rolls marked “C-22” or “Kodacolor-X” use a pre-1973 process we can’t run. We can develop them as black & white instead.
  • Tape the paper band down on every exposed roll and keep it out of bright light. 120 film has no cassette to protect it.
  • Shot a 6×12 or 6×17 panoramic camera? Pick the panoramic option at checkout so the frames are scanned full width.
  • Old film often comes back with color shifts, fading, or grain. That’s the film, not the lab, and the images are usually still worth it.

The Original Mail-In Film Lab

Since 1976
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A Darkroom employee in white gloves checks a strip of negatives beside a Noritsu HS-1800 film scanner Satisfaction guaranteed, since 1976

120 film developing prices

One price per roll of 120 film, with the add-ons you choose at checkout. No hidden fees.

Develop + Standard scansPer 120 or 620 roll · negatives returned · free web gallery $14
Add-ons per roll
Enhanced scans Our recommended size+ $2
Super scans Largest files, best for enlargements+ $6
Color 4×6 prints+ $10 per set
Color 5×7 prints+ $18 per set
True black & white 4×6 prints On real silver gelatin paper+ $20 per set
Transparency film (E-6) The slide film option at checkout+ $6
220 film Twice the frames of a 120 roll+ $10
Panoramic format 6×12 and 6×17 cameras+ $10
Push or pull processing+ $3
Cross processing E-6 film run through C-41+ $3
Do not cut negatives+ $3
Other options
Develop only, no scans Add $10 for a 220 roll$11
Inbound shipping Printable label or free postage-paid mailerFree
Return shipping Unlimited rolls per order$6.95
Prices shown are current as of this page’s last update. The checkout always shows the final price before you pay.

How 120 film developing by mail works

  1. 1

    Order online

    Pick 120 / 620 as your film type, choose your scan size and any prints, and check out. One order can hold as many rolls as you have, and you can mix in 35mm or any other format.

  2. 2

    Mail it in

    Print your free shipping label, or request a postage-paid mailer and we’ll send one to you. Tape the paper band on each exposed roll, drop the rolls in, and send it.

  3. 3

    Get your photos

    We email you the moment your scans land in your online gallery. Share, download, or order prints. Your negatives and any prints follow in the mail.

120 film questions

About 120 film

The roll film that started in a Brownie in 1901 and became the medium format standard. Part of our guide to popular film formats.

120 film at a glance

Also called
Medium format film, 120 roll film
Introduced
1901, by Kodak, for the Brownie No. 2
Film width
61.5mm (about 2.4 inches), paper-backed, no sprocket holes
Image size
56mm tall; 6×4.5, 6×6, 6×7, 6×9 or panoramic, set by the camera
Loading
Roll on a spool; the empty spool becomes the take-up for the next roll
Exposures
8 to 16 per roll, depending on frame size
Processes
C-41 color, black & white, E-6 transparency
Still made by
Kodak, Ilford, Fujifilm, CineStill, Lomography, Foma and others

History

Kodak introduced 120 film in 1901 for the Brownie No. 2, a cardboard box camera that sold for two dollars and put photography in the hands of ordinary families. Kodak numbered its roll films in the order they appeared, starting at 101 in 1895, and 120 was simply the twentieth size. Dozens of those numbered rolls came and went over the next half century. 120 outlived every one of them.

For the first fifty years it was the amateur’s format, loaded into box cameras and folding cameras by the million. When 35mm took over the snapshot market in the 1960s, 120 film went the other way and became the professional’s choice: the Hasselblad 500C, the Rolleiflex twin-lens reflex, the Mamiya RB67 and the Pentax 67 were all built around it, and it stayed the standard for wedding, portrait and fashion work until digital arrived. Today it is the only medium format roll film still in full production, which is why “120” and “medium format” have come to mean the same thing.

A roll of 120 film with its spool, backing paper and box
A roll of 120 film. The black backing paper protects the film from light, and the empty spool becomes the take-up spool for the next roll.

How the roll works

120 film has no cassette. The film is taped to a strip of opaque backing paper that runs the whole length of the roll, with extra paper at each end so the roll can be loaded and unloaded in daylight. You thread the paper leader onto the empty spool in the camera, close the back and wind until the start arrow lines up, and when the roll is finished you keep winding until the paper runs off the supply spool. There is no rewind. The exposed roll comes out wrapped in its paper, and a sticky band on the trailer seals it shut.

The backing paper is printed with frame numbers in three rows, one each for 6×4.5, 6×6 and 6×9 cameras. Older cameras show those numbers through a small red window on the back, which is how you know when to stop winding. Later cameras count the frames themselves. It is also why the paper matters when you mail the film: that band is the only thing keeping an exposed roll light-tight, so tape it down.

120 film size and dimensions

The strip of 120 film is 61.5mm wide, about 2.4 inches, with no sprocket holes along the edges. The exposed image is 56mm tall, and its width depends entirely on the camera. A 120 roll is roughly 82cm (32 inches) long, so the frame size also decides how many pictures you get per roll:

Frame sizeNegative (approx.)Pictures per 120 rollTypical cameras
6×4.556 x 42mm16Mamiya 645, Pentax 645, Fuji GA645
6×656 x 56mm12Hasselblad 500 series, Rolleiflex, Holga, Diana
6×756 x 69mm10Mamiya RB67 and RZ67, Pentax 67, Mamiya 7
6×956 x 84mm8Fuji GW690, folding cameras, Brownie box cameras
6×12 / 6×1756 x 112mm / 56 x 168mm6 / 4Panoramic cameras (scanned with the panoramic option)

For comparison, a 35mm frame is 24 x 36mm. A 6×6 negative has about three and a half times that area, and a 6×9 negative more than five times. That extra film is why medium format scans look so smooth: the grain is the same size, but it is enlarged far less to reach the same print.

Size chart comparing a 35mm negative with 6x4.5, 6x6, 6x7 and 6x9 frames of 120 medium format film
35mm next to the common 120 frame sizes. See our 35mm vs 120 film comparison for sample images shot side by side.

620 and 220: the two relatives

620 film is the same 120 film wound onto a slimmer metal spool with thinner flanges. Kodak introduced it in 1931 so its own cameras could be a little smaller, and made it until 1995. The film has not changed, so an old 620 camera shoots happily today with 120 film respooled onto a 620 spool in the dark. Our how-to on resurrecting old 620 cameras with 120 film walks through it, and we develop the result as 120.

220 film, introduced in 1965, is 120 at twice the length. Dropping the backing paper behind the picture area is what makes room for the extra film, so a 220 roll needs a camera or film back with a pressure plate set for it, and it cannot be used in a red-window camera. Most 220 stocks are discontinued, but rolls still turn up in freezers and we develop them, with a $10 add-on for the extra frames.

120 film today

120 film never went away, and the last few years have been good to it. Kodak makes Portra, Ektar, Tri-X and T-Max in 120 and added Gold 200 to the lineup in 2022. Ilford keeps HP5 Plus, FP4 Plus, Delta and XP2 Super in production and brought its budget Kentmere films to 120 in 2023. Fujifilm still makes Velvia and Provia transparency film, CineStill offers its 400D and 800T in 120, and Lomography and Foma round out the shelf. On the camera side, a Holga or Diana costs less than a roll of Portra and a weekend of shooting, while clean Hasselblads, Mamiyas and Pentax 67s change hands for more than they did new. Either way, the roll that comes out of the camera is the same 120 film we have been developing since 1976.

Not sure whether to shoot 35mm or 120? Our guide to choosing between 35mm and 120 film compares the cost per frame, the look and the cameras.

Sources: Camerapedia, Kodak and Ilford product histories.

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Ready to see what’s on that roll?

120 film developing from$14
  • Developing + negatives returned
  • Free digital web gallery
  • Standard, Enhanced & Super scans
  • Optional true photographic prints
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