Featuring wireless slave TTL functionality and full Nikon i-TTL support, the YN565EX Speedlite from Yongnuo can increase your lighting capabilities by offering an off-camera option. The flash’s general abilities include auto zooming from 24-105mm and an impressive guide number of 58m at ISO 100 and 105mm as well as tilting from -7 to +90° and 270° of rotation. When used off-camera it is easily triggered by camera’s with built-in commander modes or other speedlights with master TTL functionality or as a simple optical slave with instant sync or skip pre-flash settings.
The flash offers a variety of other useful features, including a wide-angle diffusion panel and a bounce card built into the head. Other capabilities are a modeling light function and sound prompt for audible notifications on flash status. The LCD panel assists in viewing settings and the flash will recycle in about 3 seconds. First and second curtain sync modes are available as well and it has PC sync and a socket for an external power pack. It runs on 4 AA batteries.
Suitable Cameras and Flashes in Wireless TTL Slave mode:Commander: Nikon SU-800, Canon ST-E2, YONGNUO ST-E2Flashes: Nikon SB-900, SB-800, SB-700 and others. Canon 580EXIICameras: Canon 7D, 60D, 600D, 650D, 700D, 750D, 760D, 70D, 7D Mark II and other.Nikon D3x, D3s, D3,D2x, D700, D300s, D300, D200, D7000, D90, D80, D7100, D7200 and other.
Suitable Cameras in TTL mode: Nikon D3x, D3s, D3, D2x, D700, D600, D610, D750, D810, D800, D300s, D300, D200, D7000, D90, D80, D5200, D5300, D5500, D5100, D5000, D3200, D3300, D7100, D7200, D3100, D3000 , D60, D40x, D40 and others.
Suitable Cameras in S1 / S2 mode: Any DSLR camera with standard hot shoe
| Circuit design | Insulated Gate Bipolar Transistor (IGBT) |
| Guide No. | 58 meters (ISO 100, 105mm) |
| Flash mode | TTL, M, Multi |
| Wireless trigger | N’s & C’s wireless system, S1, S2 pre-flash-canceled mode |
| Wireless triggering distance | 20~25m indoor, 10~15m outdoor |
| Slave groups | 3 (A, B, and C) |
| Channels | 4 |
| Zoom range | 24,28,35,50,70,80,105mm |
| Vertical rotation angle | -7~90 degrees |
| Horizontal rotation angle | 0~270 degrees |
| Power supply | 4×AAsize batteries (Alkaline or Ni-MH are usable) |
| Lighting times | 100~1500 times (AA alkaline cell used) |
| Recycle time | approx 3s (AA alkaline cell used) |
| Color temperature | 5600k |
| Flash duration time | 1/200s~1/20000s |
| Flash control | 8 levels of output control (1/128~1/1), 22 levels of fine tuning |
| External interface | hot shoe, PC port and external charging port |
| External power | YONGNUO External Flash Pack like SF-18C, SF-17C |
| Additional features | Rear-curtain sync, FEC, FEB, FEV, modeling flash, sound prompt, advanced setting, automatically saving setting, power saving mode and over heat protection |
| Dimensions | 60×190×78mm (Extended state) |
| Net weight | 380g |