Jostein <[EMAIL PROTECTED]> wrote: >Hernán's lens comes from a batch of lenses bought by a pharmaceutical company >for a particular research project. They wanted a setup where the distance from >subject to front of lens was constant, and solved it by fastening the lenses to >a ring by three tightening screws. When the project was over, all the lenses >were sold on the second hand market. > >I think one of the major reatailers in NYC (B&H, KEH or Adorama) bought most of >them. > >My lens is from the same batch. I bought it through eBay from a seller in >Texas, >who had bought it from NYC. > >The marks on the lens are round, roughly 2mm across, and on the outside of the >filter ring. They are purely cosmetic, and can easily be covered up with some >black paint if desired. I have left mine as is, because I think the history of >the lens adds some curious interest.
Thanks for the background story, Jostein! I have one of these lenses too. Bought it from KEH. Other than a 50/1.4, it was the first high end Pentax lens I ever purchased. What an introduction to good glass! -- Mark Roberts Photography and writing www.robertstech.com
