Yashica-B is medium format film TLR camera made by Yashica and introduced in 1959. 

It is as Yashica-A but shutter and aperture controlled by levers at sides of shutter. The lens is Yashimar 80mm f/3.5 in Copal shutter with speeds 1/25-1/300 and X sync. It has plain filter mounts and film counter. There was a rare grey covering version also. It uses 120 roll film for 6x6cm frames.

Comes with case