https://www.creativelive.com/class/mastering-ttl-flash Through-the-lens flash (TTL) is a powerful tool for every successful photographer — but...
Veteran photographers Mike Fulton and Cody Clinton will teach you what TTL is, how a wireless flash works, and walk you through a wide variety of flash techniques. After two days of hands-on instruction, you'll understand the science of metered light, how to troubleshoot both manual and TTL metering, and...
