Pentax ES

The Pentax ES was announced by Asahi in 1971, as a continuation of their succesful Spotmatic cameras, [1] as the world's first SLR with 'fully-automatic electronic shutter'.[2] The Electro Spotmatic was designed by Mr. Minoru Suzuki. The first lot of cameras was limited to Japan, where testing was carried out, as electronics at the time were finicky and not reliable. Several improvements were carried out for the production model for export simply named the ES and the home market as Asahi Penta