Complex sentence: Kyocera took over Yashica in 1983 and maintained the Yashica and Contax brands, but the digital onslaught induced Kyocera to abandon photographic equipment manufacture in 2005, thus drawing the Contax story to a close.
Split into simpler sentences: Kyocera took over Yashica in 1983 and continued to manufacture products under the Yashica and Contax brands. In 2005, Kyocera discontinued all phootographic equipment manufacture, including the Contax brand in 2005, thus bringing the Contax story to a close.