Mamiya 4B

The Mamiya 4B is a medium format camera introduced by Mamiya in 1961. Based on its designation and the era, it likely utilized 120 roll film, producing 6x6 cm or 6x4.5 cm negatives, though the exact format is undocumented. Representing Mamiya's mid-range offerings, it was a practical camera built for amateur photographers and hobbyists, prioritizing reliable functionality over advanced features or exceptional build quality. Its design would have followed contemporary conventions, featuring a simple viewfinder, basic shutter speeds, and perhaps a coupled rangefinder for focusing, embodying a straightforward approach to 1960s medium format photography.