The Yongnuo YN320EX for Sony features the following functions:

• Manual, TTL, and stroboscopic Multi
• HSS synchronization up to 1/8000 s
• Built-in wireless receiver compatible with RF602, RF603, and YN560-TX

Its guide number is 31 (ISO 100, 105 mm) and it is powered by two AA batteries or rechargeable batteries.

Flash Zoom specifications:

• 24 - 105 mm
• Flash duration: 1/320 - 1/20000 s
• Charging time: about 2 s at full power
• Power adjustment: 1/128 - 1/1, in 1/3 EV steps
• Color temperature: 5600 K
• Head movement: vertical -7° to 90°, horizontal 0° to 270°
• Optical triggering range: 10 - 25 m
• Wireless triggering range: up to 100 m in open space
• Dimensions: 15.4 x 6.5 x 4.0 cm
• Weight: 225 g

Features:

• Illuminated LCD screen
• Built-in reflector and diffuser
• First or second curtain synchronization
• Micro USB for updates
• Sound notification
• Power saving
• Overheat protection
• Automatic storage of settings
• Built-in wireless controller

Compatibility: Sony cameras with Multi Interface shoe, Yongnuo RF602, RF603, and YN560-TX.

Package contents:

• Yongnuo YN320EX flash for Sony
• Flash case
• 1/4" threaded base
• Multi Interface shoe cover