Complex sentence: K-mount for both Pentax DSLRs and Pentax large-sensor MILC; and X-mount for Fujifilm MILCs, with the Canon EOS M set for release in October 2012.
Split into simpler sentences: K-mount for both Pentax DSLRs and Pentax large-sensor MILC; and X-mount for Fujifilm MILCs. The Canon EOS M is set for release in October 2012.