Alternative process

Examples

• Caffenol
• Daguerreotype
• Gum bichromate and other Pigmented Dichromated Colloids which are used to directly generate a photographic print
• Platinum Process and Palladium Process
• Carbon print and various similar processes which use a non-sensitive intermediate layer to generate a photographic image
• Van Dyke Brown, Cyanotype and various other iron-based processes
• Wet and Dry Plate processes based in silver using a hand coated emulsion on a tin or aluminum or glass base
• Resinotype and several similar processes which rely upon unexposed dichromated colloids to accept an insoluble pigment
• Inkodye, a light-oxidized vat dye.
• Oil pigment processes, such as bromoil process
• Other processes which use silver halide but in various different ways other than the typical silver-gelatin formula, such as Salt Print
• Any number of processes which use more exotic materials, such as uranium chloride, gold chloride, and any number of other salts to directly or indirectly generate a photographic print
• Non standard digital manipulation or printing.

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