Digital BW, The Print

Hi Jerry,

I'd check with Erwin's web site for that info, and then with B&H or someone
for prices.  I assume he is talking about Leitz lenses for the Leica R or M
cameras.

Regards,

Austin

> -----Original Message-----
> From: Jerry Olson [mailto:jerryolson@...]
> Sent: Tuesday, January 29, 2002 12:30 PM
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Subject: Re: [Digital BW] From the horses mouth.
>
>
> 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