"Medium Format" is a term used in photography to describe a category of cameras, and the film they use, which is larger than 35mm but smaller than 4 by 5 inches, which is the starting size of large format photography.
Determining the age of most Hasselblads is generally a more interesting process than with most camera brands. Where most cameras have a sequential serial number which usually has no special built-in meaning, and which requires a table associating ranges of serial numbers with manufacturing dates, Hasselblads have a built-in code for easily identifying its age.
HASSELBLAD 500 SERIES The Hasselblad 500 series began with the revolutionary 500C, one of the most iconic cameras in photographic history. Modified throughout the years, the 500 series cameras represent the pinnacle of Victor Hasselblad's V System.