f64 aka "Group f64" is more Foto ideology _ methodology than real world lens performance.
Unless contact prints are made, which f90 can be acceptable in many ways, there is about zero reason to use f64 as a taking aperture.
Modern view camera lenses are typically optimized at f22, typically good at f11 to f32 then f45 as the smallest reasonable taking aperture.
These pages from the Linhof view camera book was scanned some time ago then posted as a camera movement guide for those new to this view camera stuff.
https://www.largeformatphotography.i...ong-amp-Linhof
Majority of the view camera image made almost always used some degree of camera movement, even if they are small. Reason for this is to force the taking aperture to be as large as possible while holding what is needed to be in perceived focus.... in sorta-focus. Know only what the lens is focused at will be in focus, all else is the perception of being "in focus". This is why properly applying camera movements are SO very important this view camera stuff. Simply stopping down should never be the cure all for the image goal of perceived to be in focus.
As for Ansel Adams images, stop by the Weston gallery in Carmel, CA to have a gander at some of their AA prints and others. Consider their work as examples of what has been and was done instead of an emulation goal.
https://www.westongallery.com/
Bernice
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