#Kamiokande

PMTs used in Super #Kamiokande and Hyper Kamiokande.

#PMTs used in Super #Kamiokande and Hyper Kamiokande, displayed at #Gifu #Kakamugahara Air and Space #Museum. They are huge (20 inches). Wondered what S/N we would get if these are used in #confocal #microscopes.