35mm vs 120 — what the format actually changes
Negative area, not sharpness, is the difference that matters.
Formats
Grainlab
Shooting and developing film — formats, metering, and what actually happens in the darkroom.
Metering for negative film
Expose for the shadows. The highlights will look after themselves.
Guides
What push processing really does
It does not add sensitivity. It moves contrast.
Darkroom
Loading 120 without ruining the roll
The paper backing is the whole trick.
Guides
Reciprocity failure, without the maths
Past about a second, film stops believing your meter.
Guides