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 |