What are the medium format 120 cameras?

There are many types of medium format cameras, such as Kodak's "Browning" square box, folding (commonly known as "skin tiger"), single-lens reflex, dual-lens reflex, and news box There are many varieties, such as rangefinder-linked focus type, dual-track leather chamber type, single-rail leather chamber type, etc. The mainstream of modern medium-format cameras is single-lens reflex cameras. There are also some rangefinder-linked focus cameras (such as Mamiya 7II), dual-lens reflex cameras (such as Rollei 2.8GX) and monorail leather chamber cameras ( Such as Linhaff M679). Most 120 single-lens reflex cameras adopt a component design, in which the body, lens, viewfinder, focusing screen, film box (back), accessories, etc. can be replaced at will, and each part can be assembled as quickly as building blocks. . The medium format camera system is huge and has a large number of accessories to choose from. Photographers can choose the appropriate accessories according to different needs.