Olympus has introduced two new lenses in its M.Zuiko Pro F1.2 prime lens lineup, the Digital ED 17mm F1.2 Pro and the Digital ED 45mm F1.2 Pro. Both lenses promise to give Micro Four Thirds shooters excellent flexibility in low light situations, in addition to providing shallow depth of field and excellent image quality.

The two prime lenses join the existing Digital ED 25mm F1.2 Pro in the Olympus lens lineup.

Olympus says the design philosophy for its Pro F1.2 prime lenses is to deliver aesthetically pleasing ‘feathered’ bokeh without sacrificing any sharpness or resolution, even when shooting wide open. Both lenses use Olympus’ new Z Coating Nano technology to suppress flares and ghosting in order to Provide extremely clear image quality.

So, what is ‘feathered bokeh’? Olympus says that unlike many lenses which Produce ring-shaped or solid bokeh (with sharper outlines), the Pro F1.2 primes deliver bokeh with extremely smooth transitions from in-focus to out-of-focus areas, resulting in smoother backgrounds that make a foreground subject stand out better, creating a sense of depth.
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https://www.dpreview.com/articles/6850948080/hands-on-with-the-new-olympus-m-zuiko-digital-ed-17mm-f1-2-and-45mm-f1-2-pro-lenses