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Design Challenges for Sony FE 50mm f/1.2 GM
Sony has transformed itself into an optical powerhouse in its own right. I found the Sony design interview to be quite interesting. It is reproduced here, with emphasis on some points.
Highlights:
- Exceptionally “efficient” optical design keeping the lens compact and lightweight while delivering world-class performance wide-open.
- Special attention to bokeh including nearly perfectly circular blur circles for the first two stops. And outstanding bokeh in spite of the use of three aspherical elements including one large-diameter aspherical element.
- Exceptionally efficient and powerful lens motors for extremely fast and ultra high precision focusing even at f/1.2.
- Exceptional flare and ghosting resistance.
Turning a design vision into reality
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