IIRC the author scored a few trays on local equivalent of eBay. Obsoleted Kodak/OnSemi KAF line of sensors are rare kind of large film-sized sensors with public

IIRC the author scored a few trays on local equivalent of eBay. Obsoleted Kodak/OnSemi KAF line of sensors are rare kind of large film-sized sensors with public full datasheets; most manufacturers don't even confirm or deny existences of sensors in public.