In the course of the Forum’s lawsuit, the National Archives has just emailed the following:
Pursuant to its License with the Sixth-Floor Museum, NARA has completed its upload of the requested Zapruder Film still images to its webpage for NAID 559449. You may access the uploaded files here: https://catalog.archives.gov/id/559449.
The images were digitized according to the following specifications:
Each image file is in the .TIF format
Dimensions: 7744 X 5317
Width: 7744 pixels
Height: 5317 pixels
Horizontal Resolution: 3200 dpi
Vertical Resolution: 3200 dpi
Bit Depth: 48
Compression: Uncompressed