Archived posting to the Leica Users Group, 2004/02/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I find the increase in effective DOF negligible with 1.5:1. OTOH digi P&S with 4:1 and 5:1 sensors have huge DOF. Frank On Monday, February 16, 2004, at 08:04 pm, Daniel Ridings wrote: >>> That may be true, but I really detest the increase in DOF you get >>> with >>> the 1.5 multiplication factor. >>> >> >> Thatr should have been: >> >> Does the depth of field really increase? >> >> Normally if you change focal length, an object framed to the same size >> (using the same f stop) has the same depth of field? (or that's how I >> always >> understood it...) > > Something like that, Tim. > > My daughters digital has a focal length somewhere down there in 5mm - ? > (not much) with autofocus. > > With autofocus? I ask myself. Why bother focusing? > > But evidently it's connected to the size of the take-up media (sensor, > film etc). > > All I know that it is hard enough focusing with a 35mm in an SLR > (manually). It gets harder every year. :) > > Daniel > > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html