March 8, 2019 / By Trevor Lee / In Film Tips and Reviews,Photo Lab Blog

Resurrect Old 620 Film Cameras With 120 Film

120-film to a 620-camera

Modifying 120 Film for a 620 Film Camera

120 film spool 620 film spool Comparison

There’s a lot of awesome old cameras out there the use 620 film. To use these cameras, your options are either to buy rerolled 620 film (filmphotographyproject 620 film) or modifying an inexpensive roll of 120 film.

120 film has the same focal length characteristics and is the same size with exception to the spool, which has a slightly larger lip will not fit in a 620 film camera. With an easy hack of using fingernail trimmers, you can easily modify a roll of 120 film by trimming the edges of the spool. If your camera doesn’t have a takeup spool, you may have to buy one online are about $5. 

For developing, all you need to do is order normal 120 film processing and you’re good to go! 

Using this technique, we modified a roll of 120 Lomo 800 for a 1950’s 6×6 620 Medium format camera with a fixed f/15 lens & 30th shutter. Below are the results. [Photos: @capnknots]


The most common type of film for medium format is 120 but a lot of older cameras required 620 film which is very similar…

Posted by The Darkroom on Monday, February 25, 2019

2 responses to “Resurrect Old 620 Film Cameras With 120 Film”

  1. […] also found this post on The Darkroom’s web site with photos taken with Lomography’s (the company) ISO 800 […]

  2. […] 800 color negative film in this camera after seeing the results that Trevor at The Darkroom had in this blog post. He claims his Duaflex III is f/15 at 1/30; don’t know if he had it tested, or where those […]

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