fors_img_screen_flat(7) on Linux
The text d2fff6affbbd, as Debian 10 (Buster) shipped it.
Compute master screen flat frame
Flags it lists
-
--degree -
--khigh -
--kiter -
--klow -
--maxrejection -
--minrejection -
--sampling -
--stack_method -
--xradius -
--yradius