The Canon EOS M mirrorless system may be dead, but one of its cameras is being exhumed and reincarnated into a new model for the ongoing EOS R series. The EOS R100 is the latest of Canon’s APS-C mirrorless offerings. It features a 24.1-megapixel sensor, eye-tracking dual pixel autofocus, and a very compact size for $479.99 body-only, launching in July. It will also be sold for $599.99 in a kit with the RF-S 18–45mm f/4.5-6.3 IS STM lens or $829.99 in a two-zoom kit with that same slow…