Building a Super 8 continuous Film Processor
From Inspiration to Legacy
A journey of passion, persistence, and innovation that transformed film processing from an impossible dream into a working reality
The Spark of Passion
My story with film processing began at the age of 15, which was in 1980, when I developed a passion for photography that went beyond just taking pictures. I taught myself film development, mixing chemicals and loading 100-foot bulk rolls into 36-exposure cassettes.
My bathroom became a darkroom where I printed and developed my own black-and-white photos. In the late 1980s, I took my first job at a photography company in Amsterdam, where I learned to process colour negatives using an in-house "dip-and-dunk" (rack-and-hanger) C41 line. Later followed by color photo printing and RA-4 processing.
Working in the dark, controlling temperatures, and handling irreplaceable originals became second nature.

From bathroom darkroom to professional processing - the foundation of a lifelong passion
Education and early Inspiration
1
1989 - Gerrit Rietveld Academy
Application accepted to study filmmaking in the audiovisual department in Amsterdam
2
1990 - First Super 8 Film
Shot and edited my first Super 8 film, marking the beginning of hands-on filmmaking experience
3
1991 - San Francisco Art Institute
Exchange program where I learned hand-processing techniques for 8 and 16mm colour and black and white reversal film
4
1992 - Operating a 16mm Film Processor
Accepted as paid operator of SFAI's compact 16mm black-and-white reversal processor, proving consistent results were possible
Key Influences and Mentors
Ying Guo
Fellow student at SFAI who had access to the school's film darkroom. Showed me how to process film using a Russian Lomo developing tank, opening my eyes to the possibilities of independent processing.
Ruud Molleman
Trained as an instrument maker. Master technician and mentor at the Gerrit Rietveld Academie. Founder of Studio 2M, he supported countless filmmakers, including me, through his hands-on expertise and innovative analogue film solutions.
Frans Zwartjes
Legendary filmmaker who lectured at the audiovisual department. Famous since the 1960s for shooting, in-camera editing, and processing his own films. His self-sufficiency left a deep impression on my approach.
The Problem back Home
Back in Amsterdam, still a student, I started a small business. I imported Russian Lomo developing tanks through contacts at the Russian Trade Delegation, sold the developing tanks, and created ready-to-use chemical kits for black-and-white reversal.
2
Super 8 Cassettes
Per run, bathroom setup
45
Minutes Processing
Plus drying time
25-30
Films from VPRO
Dropped off Friday for Monday broadcast
Many tried home processing but soon found it too much work and too risky. When VPRO's Waskracht team dropped off 25–30 Super8 films on Friday for Monday broadcast deadlines, the maths didn't work. I knew a compact processor could solve it.
The Search for a Solution
The Challenge
By the mid-to-late 1990s, I tried to find my own compact machine. Industrial processors - even those given away for free - were several meters long, required 3-phase 380V power, and held hundreds of liters of chemistry. They were far too large for my needs.
The demand for Super 8 processing simply didn’t justify such industrial-scale capacity.
One day, a friend of mine let me use his computer with a dial-up 28k modem (we're talking 1996) to search the early internet.
There were no usable search engines yet, no eBay, and after spending hours online I found nothing.
"Since no compact film processor existed for Super 8, I decided to build one myself."
From Cardboard to Reality
I had no engineering degree, no 3D software, and no motor-control experience.
I started with paper sketches and built a small cardboard model, which I showed to my mentor Mr. Ruud Molleman for feedback. Encouraged, I moved on to a wooden frame - the skeleton and model of what would ultimately become the processor.
It took more than 2 years to build and to use it in production.
01
Paper Sketches
Initial concepts and measurements drawn by hand
02
Cardboard and Wooden Models
Small prototypes to test basic concepts, get feedback, and develop the structure
03
Steel Frame
The skeleton structure that would support the entire processor
04
Component Assembly
Tanks, pumps, sensors, and air blowing system
The Roller Challenge

The Critical Problem: Film tension!
The processor was a single-speed machine; once the motor engaged, it ran at a fixed rate. The real test was whether the film could travel smoothly across hundreds of rollers without slack or stress.
The first real parts were the rollers: several hundred grey PVC wheels turned by retired technicians at Amsterdam-Noord's NDSM shipyard.
What I didn't realize at the time was that the rollers were not precision-machined. Their diameters varied slightly, between 39.95mm and 40.15mm. (0,2mm tolerance)
1
Problem Solving Process
For a full month I did nothing but re-arrange rollers, measuring each one with a caliper and carefully recording the results. To make even a small change - swapping the position of two rollers - I first had to remove all the rollers from the axle, re-order them, mount everything back into the processor, lace the film again, and run a new test.
2
Breakthrough Achieved
Bit by bit, though, the tension evened out until the film finally ran smoothly through the entire path. That breakthrough transformed the processor from an experiment into a fully operational production tool.
The Complete Workflow
Quality Control Test
Run Kodak test strip through entire machine, compare to reference strip to ensure perfect calibration
Splice and Load
Up to 20 Super 8 cassettes spliced together onto 360m reel in daylight magazine
System Preparation
Switch on pumps, heaters, and drying cabinet air blower
Processing Run
Film travels through 1st developer, bleach, clearing bath, 2nd developer, fixer, wash, and wetting agent
Finished Films
Films emerge fully dried, neatly wound onto take-up reel - 50 minutes total
20
Super 8 Films
Per processing run
300m
Total Film Length
Spliced together
50
Minutes
Complete processing time
Legacy and the birth of SuperSens
From 2000–2007 I processed over a thousand films and supported many filmmakers. The processor didn't make me rich, but taught me practical engineering, and proved that persistence and community support can turn "impossible" ideas into working tools.
The Evolution
As MiniDV and iMacs spread, clients wanted digitisation. First to Betacam SP, then to MiniDV, and eventually straight into iMovie and Final Cut. I acquired a SONY telecine (BM-2100) and built a digitisation service.
By 2003, I founded SuperSens, which grew from serving artists to handling tens of thousands of family films. The home-built processor was the seed.
A Second Life
After nearly two decades in storage, the processor will need full servicing and testing - work planned for Q4 2025 to restore it to operating condition.
Once proven, it will likely travel abroad to a newly established international film centre, where it can train a new generation.
"With persistence, patience, and help from others, you can make the 'impossible' work. The machine saved countless films and set the course for everything that followed."