In addition to the 7Artisans/DJ-Optical lenses I reported last week, there is another new and cheap ($170) Chinese lens designed for APS-C cameras: Kamlan/SainSonic 50mm f/1.1. The lens is currently available for Sony E-mount and Canon EOS-M mounts. A Fuji version is going to be released soon. Additional information:
Here are two video reviews of the lens:
