Slit scan cameras are quite a unique breed. Rather then exposing a complete frame with every shutter click, they expose a small slit and advance the film while exposing.
You know whats cool about that, you can create very long photos, as long as your subject is moving in a predictable speed. (which will correlate the speed in which you advance the film)
Take this DIY slit-scan medium format camera from Hugo Cardoso. It was built on the remains of an old hand-drill, some plywood and some scraps.
The drill’s motor is used to advance the film, and a box keeps the light away. Quite a simple build. The results, however, are quite unique.
Hugo started with a hand drill.
Which was fitted inside a homemade plywood box
Gears and a potentiometer were added to control the film advance-speed
And a narrow slit fitted over the film plain
A plate was introduced to mount a 90mm Pentacon Six lens, and the build was done
Here is a photo taken with this medium format slit scan camera
And here is a short video that shows how the camera was built and how it operates

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