Archived posting to the Leica Users Group, 2000/04/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>>>>Mike Quinn >I think you mean image size rather than object size... >Still, remember that depth of field is not symmetrical around the point of >focus. Usually 2/3 is beyond the focus and only 1/3 in front of it. >That's why we can focus on the eyes and get both the nose and >hair OK. Yes, the 1/3-2/3 DOF is what the scale of the lens shows. However, Merklinger shows convincingly that this is not the real DOF. See: http://fox.nstn.ca/~hmmerk/HMbook14.html - --Mitch