Who The Heck Would Buy One Of Those?...Zeiss
Hey, look over here, Fred! There's a bunch of lenses that don't have any autofocus. And they don't have any automatic stabiliser switch. And they don't have a zoom. And they don't even have a rubber ring around the lens. Who the heck would buy one of these?
Well, professional architectural photographers for one. Professional landscape photographers for another. People who carefully construct images - or carefully observe them - and who can evaluate the focus before they press the button. Slow workers.
Then there are the photographers who are making images for fussy clients - clients who demand the utmost in resolution for their advertising images. Clients who demand the absolute minimum of chromatic aberration in the product.
People who shoot Nikon, or Canon, or Leica , or....Zeiss Ikon cameras. Note that the last named are becoming rare and are film cameras.
Sometimes Zeiss lenses are used by careless and forgetful clients. NASA left a number of their Zeiss lenses on the moon back in the last century and this was taxpayer's money too...
Well, apart from governmental agencies, scientific workers, and advanced enthusiasts, I guess that's all. Can we sell you a lens, Fred?