120formatet

120formatet refers to a medium format film size. The designation "120" does not relate to the film's length in feet but is a legacy designation from the early days of photography. This film format is characterized by its width of 61 mm and typically comes wound on a spool. It is commonly used with medium format cameras, which are known for producing images with higher resolution and better depth of field compared to smaller formats like 35mm.

The 120 format film has a backing paper that runs along its entire length, protecting the film emulsion from light and providing frame numbering visible through a small window on the back of many medium format cameras. This allows for precise framing and spacing of exposures. Popular medium format camera types that utilize 120 film include TLRs (Twin-Lens Reflex), SLRs (Single-Lens Reflex), and rangefinders. The versatility of 120 format allows for various image aspect ratios depending on the specific camera model, such as 6x4.5 cm, 6x6 cm, 6x7 cm, and 6x9 cm. Its popularity persists among professional photographers and enthusiasts seeking superior image quality.