48mm
48mm denotes a measurement of 48 millimeters, equal to 4.8 centimeters or 0.048 meters. It is used as a dimension in a range of products and specifications across different fields.
In photography and cinematography, 48mm refers to a focal length. On a full-frame 35mm sensor, 48mm is
In wristwatches, 48mm is a common case diameter for larger, rugged models, particularly dive and professional
In optics and camera gear, 48mm also appears as a front-diameter specification, indicating the size of filters
Other engineering contexts use 48 mm as a standard dimension for components such as tubes, bushings, or