TT520III Camera Flash – SummaryThe TT520III Camera Flash features a built-in 433MHz wireless receiver with 16-channel triggering when used with an RT transmitter, ensuring reliable flash synchronization. In Manual (M) mode, it offers 8 adjustable power levels from 1/128 to full power in ±1/3-stop increments, displayed clearly on an easy-to-read screen.With a Guide Number of 33 (ISO 100), the flash delivers up to 400 full-power flashes on NiMH batteries and a fast 1.8-second recycle time. Flash duration ranges from 1/510 to 1/31,000 seconds for sharp, well-exposed images.The TT520III supports multiple triggering options, including on-camera use, RT wireless triggering, S1/S2 optical sync, and PC sync. Its adjustable flash head rotates 0°–330° horizontally and –7°–120° vertically for flexible lighting. The single-contact hot shoe ensures wide compatibility with major camera brands. It runs on 4 AA NiMH batteries, includes a built-in reflector and wide-angle diffuser, supports Godox AK-R1 accessories (with optional adapters), and allows connection to an external PB960 power pack for faster recycling.Key Specifications:Wireless Frequency: 433MHz Channels: 16 Guide Number: 33 Flash Modes: Manual / S1 / S2 Power Supply: 4× AA NiMH batteries Recycle Time: approx. 1.8 seconds
