Analysis of information sources in references of the Wikipedia article "DX encoding" in English language version.
1984: Pentax introduces its second leaf-shutter sport model, the Super Sport 35 (PC 35AF-M). The new addition offers all of the features of the Sport 35, plus a built-in auto winder, fully automatic loading and automatic film speed setting using the Kodak-pioneered DX coding system. The Super Sport 35 is the world's first non SLR camera to incorporate the DX film sensing system.
1985: The Pentax A3000, a fully automatic SLR, is introduced. Its automated features include: exposure, film loading and winding, and film speed setting with DX-coded film. The A3000 was the world's first 35mm SLR camera to utilize the DX film sensing system. This new SLR also allows for creative flexibility with features such as: aperture-priority, backlight compensation and a 12-second self-timer. The camera's Pentax KA bayonet lens mount makes it compatible with more than 50 Pentax lenses.
1984: Pentax introduces its second leaf-shutter sport model, the Super Sport 35 (PC 35AF-M). The new addition offers all of the features of the Sport 35, plus a built-in auto winder, fully automatic loading and automatic film speed setting using the Kodak-pioneered DX coding system. The Super Sport 35 is the world's first non SLR camera to incorporate the DX film sensing system.
1985: The Pentax A3000, a fully automatic SLR, is introduced. Its automated features include: exposure, film loading and winding, and film speed setting with DX-coded film. The A3000 was the world's first 35mm SLR camera to utilize the DX film sensing system. This new SLR also allows for creative flexibility with features such as: aperture-priority, backlight compensation and a 12-second self-timer. The camera's Pentax KA bayonet lens mount makes it compatible with more than 50 Pentax lenses.