Voigtländer APO LANTHAR 50mm F2.0 Aspherical II is a high performance manual focus standard lens optimized for the imaging sensors of the Nikon Z mirrorless cameras. Inheriting the apochromatic optical design, the lens is highly corrected to eliminate optical aberra tions including longitudinal chromatic aberration. In addition, it is optimized for the ultimate performance of the resolution and contrast reproducibility. (Ref. MTF chart) The lens constructed with 8 groups 10 elements has five abnormal partial dispers ion glasses, two out of eight elements, each with two aspherical surface, and also floating lens elements system built in. The lens has a proud performance that will drastically change your image of familiar standard lens “50mm F2”.