YONGNUO YN320EX TTL Flash Speedlite For Sony (Black)

Features
1. GN31 ISO100, 105mm
2. High-speed Sync TTL Speedlite
3. Wireless transmitter-receiver, supports optical triggering and 2.4GHz radio triggering.
4. Realize 6-group flash control easily
5. Ultra-fast Charging Recycle System
6. Firmware Upgrade
7. Sound Prompt System
8. Flash Head Electric Zoom
9. Compatible with Sony 7M2 / 7M3 / 7R2 / 7R3 / 7R4 / 7C / A6000 / A6300 / A6400 / A6500 / A6600 etc.

Specifications
1. Product Model: YN320EX
2. Circuit design: Insulated Gate Bipolar Transistor (IGBT)
3. Guide No.: 36 (ISO 100, 105mm)
4. Flash mode: TTL, M, Multi
5. Trigger Mode: On-camera,2.4GHz radio trigger,wireless optical trigger
6. Zoom range: 24, 50, 70, 105mm
7. Vertical rotation angle: -7-90 degree
8. Horizontal rotation angle: 0-270 degree
9. Power supply: 4xAA Alkaline battery or AA NI-MH battery (not included)
10. Light-emitting times: Approx.220 times (with 1900mA NI-MH battery)
11. Recycle time: Approx.2s (with AA NI-MH battery)
12. Color temperature: 5600k
13. Flash time: 1/350s-1/20000s
14. Flash control: 8 levels of output control(1/128~1/1), 22 levels of fine tuning in total
15. External interface: Hot shoe, Micro USB port, Wireless trigger distance: 20-25 indoors,10-15 outdoors for photosensitive triggering; Up to 100m for radio triggering.
16. Dimensions: 40x65x154mm
17. Net Weight: 225g