> If there is sufficient light, I usually stop down to somewhere between f2.8 > and f5.6 with the 85mm lenses. Wide open the depth of field often is simply > too shallow. Also there is light fall-off at open aperture, and some lack of > contrast - which on the other hand is nice with kids and especially > girls....You can get a nicely blurred backround at f4, too, if you choose a > better background than I chose for those 85mm lens comparison test at > http://www.arnoldstark.de/pentax.htm or rather > http://www.physnet.uni-hamburg.de/hp/stark/pentax85/Portrait/portrait.htm
Arnold, Ah, so that was you. Actually you chose an excellent background, and I would like to thank you kindly for performing and posting those tests. Very helpful. --Mike
