Whats the difference between 16mm and 35mm microfilm?
16mm microfilm means that the film is 16 millimeters in width. This film is commonly used to film office documents measuring up to 8 = x 14 inches. 35mm microfilm means that the film is 35 millimeters in width. This film is commonly used to film documents that are larger than 8 = x 14 inches and are considered archival.