Carl Zeiss Planar-ZF.2 1.4/50mm T* - Photospecialist
Rare Zeiss Planar 50mm F0.7 lens designed for NASA could fetch $150,000 at auction: Digital Photography Review
Carl Zeiss Planar T* 50mm f/1.4 Hands-on Review - YouTube
Zeiss 50mm f/1.4
Amazon.com : Zeiss Classic Planar ZF.2 T 1.4/50 Standard Camera Lens for Nikon F-Mount SLR/DSLR Cameras, Black (1767825) : Digital Slr Camera Lenses : Electronics