[Rollei] Lens charts

["Dan Kalish" <kaliushkin >]

Thanks, Richard Knoppow, David Seifert and G. King.  Now for the hard part:
reading this stuff.

> Date: Thu, 08 May 2003 15:10:38 -0700
> From: David Seifert <dseifert  >
> Subject: Re: [Rollei] Lens charts
> Message-ID: <5.1.0.14.0.20030508150946.00ac8378  >
> References: <001201c3157a$bf5555a0$55440a0a@Gostenin>
>
> Unfortunately some things just can't be explained in a few words, dammit!
> Here is a link to a tutorial explanation of MTF:
>
> http://www.normankoren.com/Tutorials/MTF.html
>
> David
> At 05:30 PM 5/8/2003 -0400, you wrote:
>
>
>
> >  Where would I find a guide, preferably on-line, to understanding lens
> >charts?  Alternatively, if
> >  it could be put in a few words, please explain here?
> >
> >  I've come across two types of charts:
> >
> >  MTF: http://www.butzi.net/rodenstock/apo-sironar-n/180mm.htm
> >
> >  Modulation:
>
>http://www.schneideroptics.com/photography/large_format_lenses/apo-symmar-L
/pdf/ApoSymmarL_56_180.pdf
> >
> >  Thanks,
> >
> >  Dan the K.
>
> Best Regards,
>
> David Seifert
> dseifert  

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