Technical Resources

The Handmade Film Intitute offers these resources with no guarantee of any kind, and welcomes any thoughts or corrections!


ECN-2 color negative and ECP-2A color positive

Color Reversal

Black and White Processing

Coffee Ascorbate

Developer Time Calculator

Molecular Weight Calculator (excel workbook)


Silver Gelatin Emulsion

Notes on Bucket Processing
A guide to low-tech but effective hand-processing