Over time, the combination of iodide and bromide has become the golden standard. Premixed collodion 'poe boy' wet plate supplies is a uk based store selling a range of supplies for alternative photographic processes, namely wetplate collodion, cyanotype, gum bichromate, kallitype, van dyke and pt/pd. The plate is removed from the box, the back is wiped, and excess silver nitrate solution dripped off, before it is. The photographic community learned that iodide gives speed and density while bromide expands the tonal scale and the colour sensitivity. Coffer's poe boy collodion, as a test subject. "poe boy" collodion septem2 fourtoes misc in the past, i first shot with a quick clear collodion ready mixed from john brewer which is an excellent starter recipe which gives great results, then last year when at coffers jamboree, i shot with his old workhorse and produced some of my best plates ever. Le collodion une technique riche en émotions Photons from
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