sentences:  Asahi Optical was an early and enthusiastic participant in this competition.The Asahi Pentax Electro Spotmatic (Honeywell Pentax Spotmatic ES in the USA) of 1971 was the first 35 mm SLR with electronic aperture priority autoexposure and the Pentax ME was the first electronic autoexposure-only 35 mm SLR.Asahi Optical was also the first company to offer publicly available anti-reflection multicoated photographic lenses with their SMC Takumar lenses in 1971.