Zeiss Milvus 50mm F/1.4 Zf.2 Nikon
F Mount Lens/FX Format Aperture Range: f/1.4 to f/16 4 Anomalous Partial Dispersion Elements 1 Aspherical Element Distagon Optical Design Zeiss T* Anti-Reflective Coating Manual Focus Design Manual Aperture Ring Can Be De-Clicked Anodized Metal Barrel, Rubber Focus Ring Weather-Sealed Construction ZEISS