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| Re: Official: Sony A7 and A7R Fullframe Mirrorless |
That\'s because in general the bokeh is excellent---if you like sonnars anyway.
The \"Sonnar\" lenses of the e-mount and RX1 line aren\'t exactly the traditional Sonnars, in terms of lens designs, so I\'m not sure that the name has much to do with it, in this case. I can\'t think of two lenses more opposite in vibe than my RX1\'s Sonnar and the ZM 50/1.5 Sonnar. Sony seems to be using the designation \"Sonnar\" for their mirrorless lenses that have only a few elements in front of the aperture and have a long exit pupil to sensor distance. The Sigma 30/2.8 would likely also be a \"Sonnar,\" if it were made by Sony/Zeiss.
If anything, as others have mentioned, these new lenses are kind of a Sonnar in reverse.