The Pentax Auto 110 and Pentax Auto 110 Super were fully automatic single-lens reflex cameras

manufactured by Asahi Pentax for use with Kodak 110 film cartridges. The Auto 110 was introduced with three interchangeable, 

fixed focal length lenses  

The camera system was sold until 1985 The camera system also claims

 to be the smallest interchangeable-lens SLR system ever created.