Image Quality
shorpy.com wrote an interesting post today on Image Quality
Here’s a quick excerpt
In reply to Culpeper: 1862: Wet-plate collodion photography, especially glass plate negatives, are considered to provide the clearest images providing in some cases far more detail than digital. The out of focus effect is you observe at the edge of the image is called “bokeh” and caused by the fall off of the petzval-type lens. A wet-plate artist would have to make his own “film” for each image. Pouring collodion on a glass plate and sensitizing it in a sliver nitrate bath before exposing in
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