Collodion Descriptions

Jun 28th 2019

Collodion Speed Chemistry Notes Storage
Lea Formula 1 Medium Cadmium & Ammonium Ages Quickly - Good General Collodion. Similar to Quinn's QC Use mixed collodion within 2-3 weeks for best results
Lea Formula 3 Medium/Fast Cadmium Super stable - Medium Contrast Can be used for 12 months or more
Lea Formula 7 Medium Cadmium & Ammonium Ages Quickly - Developed for landscapes, but makes a nice portrait collodion Use mixed collodion within 2-3 weeks for best results
UVP-1 Medium/Fast Lithium & Ammonium Cadmium Free - Ages quickly - Very similar to Lea Formula 1 Use mixed collodion within 2-3 weeks for best results
UVP-3 Fast Lithium Cadmium Free - Ages quickly - About 1/2 to 1 stop faster than other collodions Use mixed collodion within 2-3 weeks for best results
UVP-4 Medium/Fast Cadmium & Lithium Super Stable - More Contrast than Lea Formula 3, Easy to see development Can be used for up to 12 months
UVP-X Medoum Fast Cadmium & Lithium Stable - More Contrast than UVP-4, Easy to see development Can be used for 6-12 months