Silver Halide Darkroom Tools & Reference
3D Studio
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Camera & Film

Everything that happens before the darkroom door closes: choosing an emulsion, understanding formats, and the tanks and bags that get exposed film safely into chemistry.

1Shooting2Developing
Camera & Film illustration

About this category

Everything that happens before the darkroom door closes: choosing an emulsion, understanding formats, and the tanks and bags that get exposed film safely into chemistry.

How these pages are written Specifications come from published manufacturer documentation. Development times are stated for a small inversion tank at 20 °C. Always treat them as starting points and confirm against the data sheet for your own materials.
Wear PPE & Ventilate Nitrile gloves Eye protection Cross-flow air Label every bottle Dispose of fixer properly
Camera & Film Shoot

35mm Film

The format that defined documentary photography — 36 frames on a 24 × 36 mm strip.

Shooting stage
Camera & Film Shoot

120 Medium Format Film

A wider negative on a spool, with backing paper instead of a cassette.

Shooting stage
Camera & Film Shoot

Large Format Sheet Film

One sheet, one image — the slowest and most deliberate way to expose film.

Shooting stage
Camera & Film Shoot

Film Cassette

A light-tight metal can with a felt light trap and a spool you can rewind.

Shooting stage
Camera & Film Develop

Developing Tank

A light-tight vessel that lets you develop film in full daylight.

Developing stage
Camera & Film Develop

Changing Bag

A portable darkroom that folds into a pocket — total darkness anywhere.

Developing stage
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