Review: Canon EOS M3

Introduction and featuresCanon's first compact system or mirrorless system camera, the EOS M, seemed very good on paper, but at launch it was expensive and let down by a lacklustre autofocus system that was slow and prone to hunting. Canon issued firmware upgrades that improved the autofocus performance significantly and the price fell with the passage of time, but the damage was done.Now, in the UK at least, we have the M3. Like the M, the M3 uses an APS-C format sensor, but this time the manuf