The lineup included several cameras, differentiated by their focal length and by some cosmetic features: The GS645, GS645W, and GS645S. The cameras, released between March 1983 and October 1984, are medium format and accept either 120 or 220 film. It combines portability with the superior image quality of 120 film. Ideal for travel, street photography, and documentary work, offering a perfect balance between convenience and medium format’s rich detail. The GS645 is best suited for photographers who want a portable yet high-quality film camera without the bulk of traditional medium format systems. Its quiet shutter and quick handling make it great for candid shots.