Yousuf Karsh.

[Don Wallace]

Karsh shot in 4x5, 5x7, and 8x10. Smaller formats too on occasion. But I do think that negative was an 8x10 and there were a number of them taken in that session (in fact, they were shot just down the street from me No, I wasn't there).

[hec]

Originally Posted by Jeremy

I think part of this is how the modern lenses (the rodenstock and schneider mentioned above) are mounted in Copal 3 shutters which have few shutter blades as opposed to the Ilex or Kodak Universal #5 shutters which the 14" Ektar is usually seen mounted. These puppies have buttery smooth circular apertures which greatly helps with the out of focus areas when shooting stopped down.

yep it's a shame they are not made like that anymore.
I read about it here:
http://www.hevanet.com/cperez/test/BigMash210.html

cheers!
Hector