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The Canon Speedlite 600EX II-RT Twin Kit is a high-performance flash kit containing dual TTL flash units and a ST-E3-RT transmitter to allow full flash control. Integrated radio frequency triggering, as well as standard infra-red wireless flash control, allows professional photographers to achieve exciting results with complex dual on-and-off-camera lighting set-ups.

Dual Kit

The Canon Speedlite 600EX II-RT Twin Kit provides a complete lighting solution for professional photographers, whether you’re looking to capture portraits, wedding, or even sport photography this kit will provide you with complete control over your lighting so you can unleash your creativity.

Improvements in Continuous Flash Performance

The redesigned flash head on the 600EX II-RT controls operating temperatures and increases the number of continuous flashes to by 50% when compared to its predecessor. This means that you get a reliable Speedlight that can shoot more flashes to capture multiple action packed shots with ease. The amount of shooting increases dramatically as well when combined with the CP-E4N (not included)battery pack.

Enhanced Flash Firing Algorithm

The flash system features an improved firing algorithm which controls recycling time in increments and this leads to better power management. This results in a reduction of tube related damage that can arise from continuous firing making sure your equipment lasts longer.

Guide Number of 60m at ISO 100

The Speedlite 600EX II-RT is versatile with a guide number of 60m at ISO 100 and can be used for in a variety of environments whether you’re in a tight space or outdoors. In terms of focal length the flash coverage extends from 20mm to 200mm and there is an extendable panel included which can be used to increase the flash range to 14mm to make your flash is hitting the entire scene even when you’re shooting wide angle shots.

Zoom Matches Sensor Size

Using the Speedlite 600EX II-RT you get a flash that is able to zoom to match the camera’s sensor size whether it is full-frame or APS-C. This ensures that your light does not fall on unnecessary areas and helps extend your battery life so you can shoot for even longer.

Optical and Wireless Transmission

Combining the ability to use either optical or wireless transmission the dual flash system can be set up quickly and efficiently but also offers extensive customisation options for the more discerning strobist. Optical triggering allows the units to be combined with older flash units and the wireless trigger can fire flash units up to 30m away offering great potential for photographers to use creatively.

Included ST-E3-RT Transmitter

With the ST-E3-RT transmitter included in the bundle you can take advantage of a whopping 5 groups wirelessly for easy set up large multi light rigs and the 15 available wireless channels for precision control of your flashes perfectly suited for multi flash setups like those used by interior photographers. Offering support for E-TTL II, manual flash, stroboscopic and auto external flash metering the ST-E3-RT is an incredibly versatile controller.

Radio Frequency Triggering

An operating radio frequency of 2.4 Ghz gives the bundle a significant advantage over other wireless systems by ensuring that physical obstacles don’t interfere with the signal so your flashes fire when you want them to regardless of what’s in front of them.

Wireless ID Code Control

ID Controlled Wireless Triggering avoids misfiring if you’re shooting in studios with other flash systems in wireless range. ID Control allows you to enter a 4 digit locking code that turns your flash rig into a closed system with no danger of interference from other controllers.

LCD Displays

LCD panels on the ST-E3-RT transmitter and the Speedlights displays status of the wireless configuration and individual settings of the flashes. The buttons on the flashes and transmitter are backlit and the LCD panels are customisable with your choice of background colours.

Quick Recycling and Fully Manual Settings

The 600EX II-RT has a recycle time of 0.1-5.5 seconds in normal mode, but this can be decreased to 0.1-3.3 seconds in the Quick Flash mode so you can start using flash faster straight after it has been fired. The power can be set manually from 1/1 to 1/128 in 1/3-stop increments allowing you increased control over the duration of the flash when you are taking shots.

Dust and Water Resistant

Built with a dust and water resistant design the 600EX II-RT matches the build of the Canon’s EOS-1D camera range. The adapter on the Speedlites lock tightly around the camera hot shoe and ensure you can use the flashes with your weather sealed camera confidently in any climate.

Tilting and Rotation Available for Bounce Flash

With the Speedlite you get the ability to rotate it 180° left and right and this can be used to bounce light in any direction. The head of the flash can be tilted up 90° and down 7° giving full control over the angle of the lights.

Included Accessories

There are a range of accessories included with the Canon 600 EX II-RT Twin Kit from soft cases to flash filters. The light orange filter merges incandescent ambient lighting with the flash output for a warmer photograph while the orange filter removes the red fog that some interior lights can create.

Also included is the SBA-E3 adapter which can be used to soften and gently diffuse your light source leading to higher quality portraits with more even lighting.
  • Wireless Radio Multiple Flash System
  • Excellent Continuous Flash Performance
  • Powerful Guide Number of 60m at ISO 100
  • 5 Groups with 15 Channels for Flexibility
  • LCD Panels and Backlight Buttons for Better Control
  • Flash Tilts and Rotates to Bounce Light
  • Quick Recycle time
Technical Specifications - 600EX II-RT

Mount

Shoe

Compatible Cameras

Type-A EOS cameras (E-TTL II/E-TTL autoflash)

Type-B EOS cameras (TTL autoflash)

Guide Number

The Guide No. is approximately 15m at ISO 100.

The maximum Guide No. is approximately 60m at ISO 100 and 200mm flash coverage.

When the extendable wide panel is pulled out, the flash coverage is 14mm.

Number of Flashes

Approx. 100-700 flashes when using 1900mm Ah type AA/HR6 Ni-MH batteries.

Recycling Time

Normal flash: 0.1-5.5 sec.

Quick flash: 0.1-3.3 sec.

Flash Range

Effective flash range with EF 50mm f/1.4 lens at ISO 100

Normal Flash:

Approx. 0.5-27.8m

Quick Flash (at Guide No. 20.8m):

Approx. 0.5-14.8m

High-speed Sync (at 1/250 sec. shutter speed):

Approx. 0.5-14.7m

System

Infrared AF-assist beam

AF Assist Beam

Compatible AF System:

TTL second image formation phase-difference AF

Supporting 1-65 AF points (28mm or longer focal length)

Phase-difference AF during viewfinder shooting

Quick mode during Live View shooting or movie shooting

Effective Range (Approx.):

At centre: 0.6-10.0m

At periphery: 0.6-5.0m

Custom Functions

15 Functions

6 Functions

Power Source

four AA-size/LR6 alkaline or AA/HR6 Ni-MH batteries

External Power Source

Compatible
(Compact Battery Pack CP-E4N recommended)

Dimensions

Approx. 78.7 x 143.2 x 122.7mm

Weight

Approx. 435g


Technical Specifications - ST-E3-RT

Flash Type

Radio transmissions wireless Speedlite transmitter

Compatible Cameras

Type A EOS cameras (E-TTL II/E-TTL autoflash)

Sync Speed

High-Speed Sync provided (EOS-1D X and EOS 5D Mark III only)

Flash Exposure Confirmation

Flash exposure confirmation lamp lights in green

AF Assist Beam

N/A

Wireless Functions

Transmission System

Radio Transmission

Transmission Range

Approx. 30m

Flash Ratio Control

1:8 - 1:1 - 8:1, power 1/2-stop increments

Flash Coverage

Transmission Angle: 360° all around

Slave Operation Confirmation

Green Light

Lit: Radio Transmissions Okay

Red Light

Lit: Not Connected

Blinking: Transmission Error/ Too many units (Master units + slave units = more than 16 units)

Orange Light

Lit: Sub-master transmission

Blinking: Receiving remote release shooting, linked shooting signal

Slave Unit SE Mode Cancellation

The test flash button can be pressed to test if the slave units fire or cancel the auto power off status.

Power Source

AA/LRG Alkaline Batteries x2(Ni-MH and Lithium batteries can also be used)

Battery Life: Approx. 10 hours continuously *When using AA/LR6 alkaline batteries used (At a room temperature +23°C.)

SE Mode

Power off after 5 min. of idle operation

Dimensions

67.4 (W) x 61.5 (H) x 77.4 (D) mm

Weight

110g (excluding battery)

For - 600EX II-RT
  • 2 x Canon 600EX II-RT Flash
  • 2 x Soft Case
  • 2 x Flash Stand
  • 2 x Colour Filter Holder (SBA-E3)
  • 2 x Colour Filter (SCF-E1OR1 - Light Orange)
  • 2 x Colour Filter (SCF-E1OR2 - Dark Orange)

  • For ST-E3-RT
  • Canon ST-E3-RT Speedlite Transmitter
  • Soft Case
  • Reviews

    * Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.