Improved `makePrisms` support for #243
Improved `makePrisms` support for #243

timjb/lens,Fuuzetsu/lens,Gabriel439/lens,hvr/lens,rpglover64/lens,Icelandjack/lens,cdepillabout/lens,danidiaz/lens,cchalmers/lens,omefire/lens,ddssff/lens,hvr/lens