This particular lens has a 0.24-metre minimum focusing distance and a 50 mm maximum focal length. As for the lens type, this is a macro lens.
From Amazon
Zeiss MILVUS 50mm F2 Lens Canon Fit
WEX Photo Video
Zeiss 50mm f2 Makro-Planar Milvus ZE Lens - Canon EF Mount
Clifton Cameras
Zeiss Milvus F2.0 50mm Lens ZE Mount