We have published a deep review and comparison between two popular lenses for compact Sony mirrorless (APS-C format, E-mount) like A5100, A6000, A6300, NEX: Sony E 50 mm f1.8 OSS versus Sigma 60 mm f2.8 DN (Art series).

Two great primes compared: the review is at this link.

Referenced brands in this article: Sony, Sigma