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residual spherical aberrations (focus shifts when stopping down)
#4
[quote name='Klaus' date='06 June 2010 - 03:39 PM' timestamp='1275838747' post='274']

Don't bet on this. Many lenses show RSAs. The primary question is whether it's field relevant.

[/quote]



Just curious really, I'd never seen it referred to in a Pentax test. I tend to concentrate on taking photos these days and try not to become too involved on the technical matters. I still enjoy reading the tests and the PZ tests are very thorough, keep up the good work.



Best regards,



John
  


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residual spherical aberrations (focus shifts when stopping down) - by johnwhit - 06-06-2010, 08:00 PM

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