With its fast and almost silent autofocus action, this lens developed especially for the Sony Alpha system as a standard prime lens (or moderate telephoto lens with APS-C sensors) always remains discreetly in the background.(1) In contrast, the Planar T* 1.4/50 ZA takes centre stage when it comes to optical performance. You can look forward to richly detailed and crystal-clear exposures with outstanding contrast, even in unfavourable light.