Lens-fitted photo film unit and method of producing the same

摘要

A lens-fitted photo film is pre-loaded with a photo film. Imaging frames are created on the photo film by releasing the shutter. There is aspect ratio information optically prerecorded on the photo film outside of the imaging frames, and associated with a respective one of the imaging frames. The aspect ratio information includes two dots, and represents an aspect ratio in two bits. The imaging frames are printed in accordance with the aspect ratio. The lens-fitted photo film unit has a viewfinder with a view field of the aspect ratio represented by the aspect ratio information.