Canon Speedlite 600EX II RT

Canon Speedlite 600EX II-RT Flash Flash Performance • Maximum Guide Number: Approx. 60m / 197ft at ISO 100, 200mm • Flash Coverage: 20–200mm • Wide Panel Coverage: Approx. 14mm • Exposure Control: E-TTL II / E-TTL Autoflash • Manual Flash: Supported • Manual Flash Output: 1/1 to 1/128 Power • Stroboscopic Flash: Supported • Flash Exposure Compensation: ±3 Stops in 1/3- or 1/2-Stop Increments • Flash Exposure Bracketing (FEB): ±3 Stops in 1/3- or 1/2-Stop Increments • FE Lock: Supported Bounce & Flash Head • Upward Bounce: Up to 90° • Downward Bounce: Up to 7° • Left Rotation: Up to 180° • Right Rotation: Up to 180° • Catchlight Panel: Built-in • Wide Panel: Built-in • Bounce Adapter: Included Flash Synchronization • First-Curtain Sync: Supported • Second-Curtain Sync: Supported • High-Speed Sync: Supported • Modelling Flash: Supported Recycling Time • Quick Flash with AA Alkaline Batteries: Approx. 0.1–3.3 sec. • Normal Flash with AA Alkaline Batteries: Approx. 0.1–5.5 sec. • Quick Flash with Ni-MH Batteries: Approx. 0.1–1.8 sec. • Normal Flash with Ni-MH Batteries: Approx. 0.1–3.3 sec. Continuous Flash Performance • Improved Continuous Flash Capability: Approx. 1.1–1.5× compared with Speedlite 600EX-RT when using the flash alone • With Compact Battery Pack CP-E4N: Approx. 1.5–2× compared with Speedlite 600EX-RT • Heat Control System: Helps suppress temperature rise during continuous flash shooting Radio Wireless Flash • Wireless System: 2.4GHz Radio Transmission • Wireless Function: Sender and Receiver • Transmission Distance: Approx. 30m / 98.4ft • Transmission Channels: Auto / Channels 1–15 • Wireless Radio IDs: 0000–9999 • Receiver Control: Up to 5 Groups • Receiver Units: Up to 15 Units Optical Wireless Flash • Wireless System: Optical Transmission • Wireless Function: Sender and Receiver • Transmission Channels: Channels 1–4 • Receiver Groups: Up to 3 Groups • Indoor Transmission Distance: Approx. 0.7–15m • Outdoor Transmission Distance: Approx. 0.7–10m AF-Assist • AF-Assist Beam: Supported • System: Infrared AF-Assist Beam • Compatible AF Points: Supports up to 61 AF Points • Effective Range at Centre: Approx. 0.6–10m • Effective Range at Periphery: Approx. 0.6–5m Power • Power Source: 4 × AA/LR6 Alkaline Batteries • AA Ni-MH Batteries: Supported • External Power: Compact Battery Pack CP-E4N Compatible • Power Saving: Auto Power Off Supported Flash Capacity • AA Alkaline Batteries: Approx. 100–700 Flashes • AA Ni-MH Batteries: Approx. 140–1000 Flashes Flash count varies according to battery condition and shooting conditions. Display & Controls • Display: Dot-Matrix LCD Panel • Flash Settings via Compatible EOS Camera Menu: Supported • Custom Functions: 15 • Personal Functions: 6 Construction • Mounting Foot: Metal • Dust & Water Resistance: Dust- and water-resistant design when used with compatible equipment • Colour Filter Detection: Supported • Colour Temperature Information Transmission: Supported Dimensions & Weight • Dimensions: Approx. 78.7 × 143.2 × 122.7mm • Weight: Approx. 435g excluding batteries