Speedlite Yongnuo YN600EX-RT II for Canon

The Yongnuo YN600EX-RT II is a professional flash for Canon camera users. It has a built-in radio controller (transmitter and receiver) for radio communication with the Canon RT system and is an improved version of the well-known YN600EX-RT. The flash can work with the Canon Speedlite ST-E3-RT and Yongnuo YN-E3-RT controllers.

The flash has a guide number of GN 60 (ISO 100, 200 mm) and a zoom range of 20 to 200 mm, automatic and manual. It works in Manual (M), Strobe (Multi) and TTL (E-TTL and E-TTL II) modes, supports HSS up to 1/8000 s, 1st and 2nd curtain sync, FEC and FEB of ±3 (in 1/3 steps) and exposure lock (FE Lock). In Manual mode the power is adjustable from 1/1 to 1/128. Radio communication uses 2.4 GHz on 15 channels, and optical communication uses 4 channels.

• Slave modes: S1 / S2 / Sc / Sn (radio and optical signal from Yongnuo, Canon and Nikon flashes)
• Autofocus assist LED and backlit LCD display
• Power: four AA batteries/rechargeable batteries (not included); external power port (CP-E3 or CP-E4) and a USB port for software updates
• Note: there may be communication issues with the Canon 6D Mark II; the flash does not work properly with mirrorless cameras
• Rechargeable batteries such as Eneloop are recommended