EXCERPT page containing first few paragraphs. 2021-04-12 16:20:57
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In April 2015, an asymmetry/skew problem with the Sony 35mm f/1.4 Distagon was presented in Examples at f/1.4, Bad Sample Lens (Pescadero Creek, A7R).
In August 2015, your author obtained another brand-new Sony/Zeiss 35/1.4, this time to shoot on the new Sony A7R II. It is shocking, but the second sample shows a very similar skew/asymmetry as the first, if anything worse. As if the lens manufacturing is calibrated to produce defective lenses consistently. See the note by James K after the conclusions.
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Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.
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