Archived posting to the Leica Users Group, 2005/02/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Funny, this, I had attributed the 3D effect to films! I noticed as a teenager that Kodachrome films gave a very 3D effect compared to Agfachrome. I used an Agfa Silette camera at that time. Cameras were spectacularly expensive in the UK at that time and the UK had been pretty well bankrupted by WW2 so having top quality camera was not an option for a keen schoolboy. A Leica cost about 6 months wages then. The Agfa lens was obviously pretty good. Frank On 15 Feb, 2005, at 06:23, Bob Palmieri wrote: > Folks... > > Since this issue persists, to the fascination of some and > consternation of others, let me say that I'm often unsure of which of > two "3-D" effects, each basically the opposite of the other, shooters > refer to. > > One, a property of, say, the 35 ASPH 'Cron wide open, or one of the > APO teles is the stark separation of the in-focus subject sharply > separated from the background by acute edge transitions. The other, a > property of, say, the 35 4th gen, wide open, or the collapsible 'Cron > is the shaded transition of edges (due to aberrations) which gives > them a kindof "roll" and a "sculpted" effect. > > In addition to these modes of rendering, others say that what really > works is the ability to render very subtle transitions of grey zones. > > Bob Palmieri > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >