SPECIFICATIONS Autofocus System Viewfinder Shooting: TTL secondary image-registration, phase-difference detection with the AF-dedicated sensor, Max. 45 points (Cross-type AF point: Max. 45 points)*; Live View Shooting: Dual Pixel CMOS AF (Face+Tracking, Smooth zone, Live 1-point AF) Maximum Flash Synchronization Speed 1/180 sec.; EX-series Speedlites Metering System 63-zone TTL open-aperture metering 1. Evaluative metering (linked to all AF points) 2. Partial metering (center, approx. 6.