Originally Posted by Mustafa Umut Sarac
I think he mimics Weston did with vegetables. Weston used high stop and hours of exposure and he did with homemade apertures.
I've never seen a reference to E. Weston making his own apertures. Anything in his biographies/daybooks refer to commercial products.
The small stop and long exposures were results of the films available at the time.
Heavily sedated for your protection.