A great example of buying the best and crying only once. Suz's rarely used, in this digital age, medium format Hasselblad has a couple of Zeiss lens and, yes, they do take some awesome pics.
Glass is everything. The only thing the film or nowadays the sensor sees is glass. Oh yah, Checkbook solves lots of problems. The big guys, Nikon and Canon and such, all have different levels of glass and construction. One should get these notations of lense levels in your understanding. Did I mention the checkbook? also don't forget the factory service people for putting things back in order.
________ OLD MAN VID