Complex sentence: It is the successor of the Canon EOS 30D and can accept EF and EF-S lenses, and like its predecessor, it uses an APS-C sized image sensor, resulting in a 1.6x field of view crop factor.
Split into simpler sentences: It is the successor to the Canon EOS 30D and can accept EF and EF-S lenses. Like its predecessor, it uses an APS-C sized image sensor, resulting in a 1.6x field of view crop factor.