Large format, medium format, Quan Huafu, what's the difference between these cameras?

The origin of large, medium and full-frame cameras is in the film age.

1, common film SLR cameras generally use 135 film, and the imaging size is about 36 x 24 mm. In the digital age, digital cameras with 36 x 24 mm sensors are called "Quan Huafu" cameras.

2. Medium format film cameras generally use 120 film, and the imaging size is usually 6X4.5 inches, 6X6 inches or 6X9 inches. In the digital age, digital cameras larger than Quan Huafu sensors are called "medium format" cameras. For example, Pentax and Fuji's medium format products have an imaging size of 33X44mm, which is slightly smaller than the medium format cameras in the film era.

3. Large format film camera is a professional camera, which generally uses dry film, and the imaging size can reach 8X 10 inch. You need to change the film box if you take pictures. Such as the famous forest (or) camera. There is no "large format" civil camera in the digital age.

Rienhoff camera