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Re: [Rollei] Why the 6-element lens for 3.5Fs

In <  >, on 05/01/03 
   at 10:02 PM, Marc James Small <msmall  > said:

>From five to six elements, of course:  look at the subject heading!

Things don't appear to me to be quite so transparent. No one can seem to
agree whether the change in the Planar was to correct falloff in
illumination in the corners, or to improve sharpness. 

What was the reason or reasons for changing from five to six elements in
the Xenotar?

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les clark / edgewater, nj / usa
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