Archived posting to the Leica Users Group, 1997/10/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Dan: Thats what I am asking - the perfect lens would have enough aperture blades to be perfectly round and have no aberations at all. The out of focus points would then be all the same (round) and one manufacturers lens would be the same as all the others that produced this hypothetical perfect lens since you agree that this "bokeh" is caused by the aberations in any particular lens and has almost disappeared today from Leica's almost perfect asphericals; leaving Leica with a lens that takes almost perfect pictures but no individual characteristics (Bokeh). How many aperture blades does it take to make a perfectly round circle and why is this desirable? Marvin (just call me Alf) Moss *************************************************************************** In a message dated 97-10-16 09:08:48 EDT, Dan writes: << > My understanding is that the term "Bokeh" refers to the way the out of focus parts of the photograph appear. You cannot eliminate Bokeh without eliminating the out of focus portions of the picture. The Bokeh can either look nice, or not so nice, and is determined in part by the mechanical construction of the lens (aperture blades) and to the extent that certain aberations (I believe spherical is the main culprit) have been controlled. Dan C. >>