Digital BW, The Print

Austin, what are some of these Really sharp lenses of which you speak? 
Brands? Prices, What cameras do they fit?

Thanks

Jerry




Austin Franklin wrote:
> 
> If you read the article, it says the following:
> 
> "Kodak had suggested that a photographic lens needs to have a resolution 3
> times as high as that of the film to fully exploit the capabilities of the
> emulsion."  It's apparently not quite true, but never the less, a good
> starting point.
> 
> So, even at 40 lp/mm, that's a lense of 120 lp/mm...  He also says that the
> best photographic lenses from Leica can achieve 250 to 300 lp/mm...so as I
> said, there are lenses readily available that easily accommodate high
> resolution films, even if you take the 3x "rule of thumb" or not.
> 
> Austin
> 
> >
> > I said the real resolution, i.e. that achievable in a real camera
> > with the
> > medium of your choice, rather than the theoretical figures
> > obtained with an
> > MTF machine.
> >
> > http://www.imx.nl/photosite/technical/highres.html is quite a
> > good discussion
> > of the resolution issues.
> >
> > On Tuesday 29 Jan 2002 2:18 pm, Austin Franklin wrote:
> > > Derek,
> > >
> > > > ...because the real resolution of
> > > > 35mm lenses
> > > > simply doesn't match that high a figure.
> > >
> > > High end primes can go well over 100 lp/mm...  BTW, have you
> > seen gigabit
> > > film?  Obviously, there are lenses that can accommodate that film.
> > >
> > > Austin
> 
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