Why do you suppose.."it never hit the resolution of the 35mm lenses"? Only a curiosity, not my characterization. =))
Jack --- Adam Maas <[EMAIL PROTECTED]> wrote: > I'd disagree with that characterization. The MF lines that ended up > dominating the market (Hassy, Pentax, Mamiya) all are known for being > > quite high resolution and sharp for MF glass. It simply never hit the > > resolution of the 35mm lenses. > > -Adam > > > > Jack Davis wrote: > > Image size off-set is, of course, the savior of MF. Interesting to > > consider that the MF segment wholly accepted lower resolution > lenses to > > dominate as a way of increasing profits. > > > > Jack > > > > --- Adam Maas <[EMAIL PROTECTED]> wrote: > > > >> 35mm lenses are typically of higher resolution in terms of lpmm as > > >> compared to MF lenses. However MF still has higher effective > >> resolution > >> because the increase in negative size is larger than the decrease > in > >> lens resolution. a 25% decrease in lens resolution per mm (pulling > a > >> number out of a hat, based on lens resolution numbers I've seen in > >> the > >> past) is much less notably when the size of the negative is > increased > >> by > >> 75% or more in each dimension. And that's only the case of 645, > >> larger > >> formats have more notable increases (6x9 for example has more than > >> 100% > >> increase in both dimensions). > >> > >> -Adam > >> > >> > >> Jack Davis wrote: > >>> This may not be true any longer, if it ever was, but 35mm lenses > >> have > >>> been tauted as having greater resolving power than MF lenses. > >> Reason > >>> that I heard offered many years ago was that wedding > photographers > >> used > >>> mostly MF and they found a "creamy" image more acceptable to the > >>> customer. > >>> Lens tests, over the years, seemed to bare out the disparity. > >>> LF lens resolving power v image size is another matter, > obviously, > >> and > >>> one I'm not even prepared to guess about. > >>> > >>> Jack > >>> > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
