Eg 500C, 500C/M, 501C, 501C/M, 503CX, 503CXi, 503CW, etc. Hasselblad 180mm F4 CF Sonnar T Lens. Made by Carl Zeiss, it is known for its high image quality, sharp resolution, and pleasing bokeh, making it a popular choice for portrait, fashion, and product photography.
eBay