Learn how to use a flash when doing sports photography. (Find yours here: http://amzn.to/2A5Aune) Features: – Available with TTL, manual and repeating flash modes. – Supports high-speed sync and rear-curtain sync. – Features advanced wireless lighting, and wide-area AF-assist illuminator. – 360° horizontal swivel and a 90° vertical swivel zoom head. – New backlit detailed…