WeiHe 8"/20.5cm Double 1" Ball Arm for Connecting Strobe/Video Light to Underwater Housing

Hello Ocean People! Welcome back to Brent Durand  Underwater. Do you ever wonder what all those   numbers on the back of your strobe actually  mean? There's positives, there's negatives,   there's decimals, there's numbers 1 to 100. Right  side down, upside down, every which way. Well,   today we're going to break that down so that we  can understand what exactly those numbers mean.   We'll talk about TTL or automatic strobe power.  We'll talk about flash exposure compensation.   We'll talk about manual strobe power  and guide numbers and what those mean.   And then we'll talk about a few pro  tips like distance to subject and   how that affects your strobe power or your  strobe intensity. So hang tight. Let's dive in!   The numbers on the back of our strobes can  be broken down usually into two different   categories, which are TTL or automatic shooting  and manual strobe power. Now th