Olympus Pen

A small, cheap camera that took two pictures on each frame of 35 mm film.
Maitani wanted a camera as easy to carry as a pen. The Pen became a best-seller and was followed by many models.
Materials: Metal and plastic, glass optics
Manufacture: Made in Japan.
The narrow, upright body.
The half-frame format, giving 72 pictures on an ordinary film.