The end of August is going to be a busy time for the APS-C market. Not only will Canon reportedly announce the EOS 90D and an EOS M6 successor, it seems Sony is planning to release not one, but two new APS-C E-Mount cameras, including the long-awaited a6500 successor. The latest information, published with high confidence by Sony Alpha Rumors, claims that Sony will be rounding out its APS-C E-Mount lineup by replacing both the a6500 and the a5100, bringing…