WEAVE spectrograph cameras: the polishing of the spherical lenses by Izazaga, R, Carrasco, E, Hidalgo, A, Aguirre, D, Terlevich, E, Terlevich, R, Dalton, G, Trager, S, Aguerri, J, Bonifacio, P, Vallenari, A, Abrams, D, Middleton, K