Canon introduces its first mirrorless APS-C cameras in the EOS R system: the EOS R7 and the EOS R10. The EOS R7 offers the autofocus speed of top-of-the-line models, while the EOS R10 is a powerful all-rounder. Also being introduced today are two new RF-S lenses: the RF-S 18-45mm F4.5-6.3 IS STM and…