👉 Microfilms are thin, transparent films used for copying and storage of photographic materials. They consist of a layer of glass or plastic that is adhered to the surface of a film (often called "the glass") using adhesive tape. The glass is then inserted into a hole in the film, which is usually drilled into a hard case or a metal frame. This process allows for precise control over the quality and quantity of the image being copied. Microfilms are commonly used for copying photographic negatives, as