Processos-Alternatius

Pinhole photography

Before lenses, before optics, before 35mm cameras and everything we know as photography, there was a dark box …

Cyanotype is one of the oldest photographic techniques, invented in the 19th century. To make a cyanotype photogram you …

Caffenol works thanks to the chemistry of coffee: the phenolic compounds in instant coffee act as …

Wineol is not a stable or predictable developer. Unlike Caffenol — which gives …

C-41 colour film has its own chemistry. It needs three specific baths at controlled temperature, a precise process and a …

Guinneol is essentially a Caffenol made with stout beer instead of coffee. The chemistry is the …

Cyanotype is one of the oldest photographic techniques: it dates from 1842. Two iron salts, paper and sunlight. …

Most analogue photographers use commercial developers that come as powder or concentrate and follow the …

Standard developer and manufacturer-recommended timings give a predictable result. But predictability …