Yongnuo YN568EX III Version 3 Wireless TTL 2.4Ghz Speedlite Manual Flash with High-Speed Sync for Canon DSLR Cameras

Overview:

Jam-packed with features and functions, is a stellar addition to nearly any lighting kit. This model is directly compatible with Canon's E-TTL / E-TTL II system, permitting on-camera use with automatic exposure capabilities and high-speed sync. It can also function as an optical TTL master for other Canon-compatible flashes or as an optical TTL slave for either Canon or Nikon systems. It is quite powerful as well with a rated guide number of 190' at ISO 100 and 105mm and is versatile thanks to a head that can tilt from -7 to 90° and rotate 270°. for controlling light, the flash has a zoom head able to be set from 24-105mm along with a wide-angle panel that optimizes coverage for focal lengths as wide as 14mm. This unit also has a fast recycle time of just two seconds. The operation has been improved as well with an AF-assist light and audio signals available. Additionally, it has a 2.5mm sync port and a USB interface for firmware updates.

Key Features

• Compatible with Canon E-TTL / E-TTL II
• Guide Number: 190' at ISO 100 and 105mm
• Zoom Range: 24-105mm (14mm with Panel)
• Tilts -7 to 90° and Rotates 270°
• Wireless TTL Master Mode for Canon
• Optical TTL Slave Mode for Canon & Nikon
• Recycle Time: Two Seconds
• High-Speed, 1st & 2nd Curtain Sync
• AF-Assist Light and Audio Signals
• 2.5mm Sync Port and USB Interface

Specifications: 
Flash Head

• Guide Number: 190.29' / 58 m at ISO 100 (105 mm Position)
• Coverage: Full-Frame 24 to 105 mm, 14 mm (with Wide-Angle Adapter)
• Auto Zoom Head: Yes
• Bounce Head: -7 to +90°
• Swivel Head: 270°
• Recycle Time: Approx. 2 Seconds
• Secondary Illumination: None

Exposure Control

• Exposure Control: Canon E-TTL / E-TTL II, Manual
• Flash Modes: Hi-Speed Sync, Second-Curtain Sync
• Power Range: 1/1 to 1/128
• Flash Compensation: -5 to +5 EV (1/3 EV Steps)

Wireless

• Wireless Operation: Optical Pulse (TTL/Manual) Up to 82.02' / 25 m
• Wireless Channels: 4
• Wireless Groups: 3
• Remote Timing Modes: Instant Sync, Skip Preflash

Power

• Internal Power: 4 x AA (Alkaline, NiMH)
• External Power Pack Compatible: No

General

• Mount: Shoe
• Off-Camera Terminal: 2.5 mm
• Dimensions (W x H x D): 2.4 x 2.9 x 7.5" / 60 x 73 x 190 mm
• Weight: 12.35 oz / 350 g