Back in the late 1990s as the digital revolution overtook photography there were abortive attempts to develop a digital upgrade for 35mm film cameras. Imagine a film cartridge with attached sensor ...

However, if you’re scanning 120 film, aka medium format, it can be expensive to get the requisite hardware. 35mm scanners are comparatively more common, so [Christian Chapman] decided to modify ...

Here's a size comparison of the two: the 35mm camera with 135 film creates negatives that measure 24x36mm, and it's the basis of the sensor size of full-frame digital cameras (which are larger ...