Archived posting to the Leica Users Group, 2005/06/25
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]correct. for example, the 4x5 2.8 xenotar has approximately the same DOF as the Noctilux in 35mm. http://www.shinozuka.org/20040914-xeno/ -rei On Jun25 22:22, Jacques Bilinski wrote: > > > hlritter@mindspring.com wrote: > > >Two prints at the same scale, one from a small sensor and one from a > >large > >one, will have identical depth of field if shot at the same f-ratio. > > > > > > > I don't believe this is true. As Steve pointed out the 'circle of > confusion comes into play'. In fact 2 prints from different size sensors > will have identical depth of field if shot at the same absolute > aperature (ie measured in millimetres), not the same f-ratio. > Photographers who have shot portraits with large format cameras and > subminiatures may know empirically that the large format camera will > show a shallower depth of field at the same f-ratio. Has anyone seen any > prints from a subminiature with shallow depth of field? -- Rei Shinozuka shino@panix.com Ridgewood, New Jersey