Introduce the medium format camera, which has no concept at all.

Medium format cameras are also commonly called 120 cameras, which refer to those cameras that use 120 film (or 220 film or 70mm perforated film). According to different formats, it can be divided into 6cm*4.5cm, 6cm*6cm, 6cm*7cm, 6cm*9cm, 6cm* 12cm, 6cm* 17cm and other cameras. In addition, there are cameras that can shoot 4.4cm*6.6cm frames (such as cameras that shoot 5cm* 12cm, 5cm* 165438+ panoramic frames). Most large-format cameras over 4 inches *5 inches can shoot 6cm*7cm, 6cm* 12cm and 6 cm *. By replacing the film box (back), they are not designed to use 120 film, so they are not traditionally classified as medium format cameras.

Medium format cameras used to be very popular in history. At present, the medium format camera is mainly used for professional photography. Because the medium format film can shoot high-quality final images (such as advertising light boxes and large-size photos), and the medium format camera is also quite operable, it is often the best choice when high-quality images and good operability are needed. Because of this, in fashion photography, still life photography, portrait photography, landscape photography and other fields. The medium format camera is still very useful.

There are many types of medium format cameras, such as Kodak Browning's square box type, folding type (commonly known as "leather tiger"), single-lens reflex type, double-lens reflex type, news mirror box type, side-axis view linkage focusing type, double-track leather cavity type, single-track leather cavity type and so on. Modern medium format cameras are mainly single-lens reflex cameras, and there are also some paraxial view linkage focusing cameras (such as Mamiya 7II), double-lens reflex cameras (such as Lulai 2.8GX) and single-track leather cavity cameras (such as Lin Hafu M679). 120 single-lens reflex cameras mostly adopt modular design. The body, lens, viewfinder, focusing screen, cassette (back) and accessories can be replaced at will, and all components can be assembled as quickly as building blocks. The medium format camera system is huge, and there are a large number of optional accessories. Photographers can choose the appropriate accessories according to different needs.

At present, there are not many manufacturers producing medium format cameras in the world. The famous ones are Hasselblad (Sweden), Lulai (Germany), Alpa (Switzerland), Axaltai (Germany), Noble (Germany), Mamiya (Japan), Pentax (Japan), Bonnica (Japan), Fuji (Japan) and Kiev (Japan). Lin Hafu and Japanese knights mainly produce large format cameras, but they also produce medium format cameras of 6cm*9cm, 6cm* 12cm and 6cm* 17cm.