Archived posting to the Leica Users Group, 2004/02/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> > 2) actual object magnification > > 2) This takes into account focal length, focused distance, enlargement > and viewing distance. > > > Oh how I dread the inevitable rebuttals. Please, please, please do your > research before you open your mouth and prove yourself an... > You were right about the rebuttals. http://www.vanwalree.com/optics/dof.html The website states: "To a first approximation, on the assumption that the F-number is kept the same, the DOF will not depend on the focal length. However, a closer examination reveals that this is too simple a statement which does not always hold." - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html