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Sony’s precision aspherics

By David Kilpatrick, on February 5th, 2016

In interviews about the new micron-accurate aspheric lens element moulding process used to increase the resolution of the latest Sony G Master lenses, a visual has appeared which shows the ‘onion ring’ effect that coarser mould machining causes in lens elements.

Working independently, I’ve been aware of this for years – and I have used . . . → Read More: Sony’s precision aspherics

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