A 4x5 wet collodion image taken through an Industar 11M 300mm f/9 at f/16
![](https://cdn.myportfolio.com/24b35816-bac0-4faf-a3b4-6bb535511421/21c18ec9-8bbf-464c-aed9-9d2d01973f4c_rw_3840.jpg?h=2d52752ea796426f50cc8a2f770a9fa9)
The same image with a macro shot of a section of the plate overlaid.
![](https://cdn.myportfolio.com/24b35816-bac0-4faf-a3b4-6bb535511421/8463b984-1aa0-4fc1-ab1c-85f73982c002_rw_3840.jpg?h=0b7acb7e66dfbcd203bfa6136a67a721)
That macro section, and below a further digital crop.
![](https://cdn.myportfolio.com/24b35816-bac0-4faf-a3b4-6bb535511421/2aff4438-befa-45e6-8f98-dd7adaf6c5e3_rw_1920.jpg?h=43f8ae8fef0244cfc239b285fb678f58)
The section of the plate that the macro shot takes up represents about 2.5% of the whole plate, and that section has about sufficient detail to require a 24 megapixel scan. Extrapolating up gives this 4x5 plate a resolution just below 1 gigapixel (1000 megapixels).