RF 85mm F1.2 L USM DS
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RF 85mm F1.2 L USM DS

The 'DS' designation is new for Canon. Sadly it doesn't mean we should expect avant garde engineering and styling. Instead, it stands for 'Defocus Smoothing' and promises improved bokeh, compared with the standard version.

If that makes you think of apodization elements (essentially an element that's progressively darker towards the edge to prevent bright-edged bokeh), then the things we were told in our interview with senior engineers will only confirm that assumption.

The DS was the only lens not shown in mockup form as we've been told that not all the design decisions have been made yet. Despite this, a computer rendering of the lens has been issued: it says 'Defocus Smoothing' on the front, whereas the non-DS version does not.