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Yongnuo YN-E3-RT Flash Speedlite Transmitter for Canon 600EX-RT as ST-E3-RT
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- Power Source: 2 AA/LR6 alkaline batteries Ni-MH batteries
- Wireless flash shooting time: Approx. time: 10 continuous hours ** when using AA/LR6 alkaline batteries
- Power saving: Power off after 5 min. of idel operation
- Weight: Approx.110g(transmitter only, excluding batteries)
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This item YN-E3-RT Speedlite Transmitter is directly compatible with the Canon 600EX-RT flash, and a coming YongNuo YN-600EX-RT flash unit.
It includes all the features of the Canon ST-E3-RT, as well as extra features including
- AF Focus Assist light
- USB port for firmware updates
- Second curtain sync (in manual only)
- - Full GR Group Mode functionality has also now been added for pre 2012 model cameras
- Slave flash charge status does not stop other flashes from firing
-Two-way 2.4G radio communication, fully compatible with Canon ST-E3-RT/600EX-RT
-Control up to 5 groups (15 units) of Speedlites
-15 Physical Channels, 1 Auto Channel, Up to 10,000 customizable photographer ID
-Transmission Range: 100M
-Multi YN-E3-RT can share slave flashes
-Display group/charge status of slave flashes
-Firmware can be upgraded via USB ( You need to buy extra USB Cable )
-High resolution Dot-Matrix LCD, Backlight for LCD/keys
-Fast lock mechanism
-Built-in AF assist beam emitter, buzzer
-Remote shutter release, Linked Shot ( (Need extra shutter cable for cameras released before 2012)
-Flash Mode: ETTL/M/Multi/GR 4 flash modes
-A/B/C/D/E 5 groups
-Supports 1st Curtain, 2nd Curtain (Only in M mode)
-Supports ETTL Ratio, Flash Exposure Compensation,Flash Exposure Lock, Flash Exposure Bracket, Modeling Flash
-9 Custom Functions
ALL Canon DSLR Camera with E-TTL II / E-TTL autoflash
Canon ST-E3-RT Yongnuo YN-600EX-RT
NOTE: batteries and camera is not included.
Top customer reviews
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I had to download two programs from the yongnuo website (I downloaded them onto a virtual machine so no virus/malware could be on my main one, it's often a bad idea to install obscure chinese software on your main computer), plugged device into usb and updated the firmware on it. 5 seconds later it was perfectly controlling both my 430ex III-RT wirelessly just like the official device, and for something like a quarter of the price.
A few minutes of extra work is certainly worth saving three hundred bucks in my own opinion.
Though the real drawback is I've heard if the device does malfunction sometime in the future, the cost of shipping to china, questionable repairs and wait time may make it easier to simply buy a new one.
Of course, if the alternative costs as much as 4-6 yongnuo transmitters, it's hard to be mad about eventually having to buy a single cheap replacement or two.
The inclusion of the AF assist beam on the Yongnuo transmitter is GREAT as the Canon transmitter does NOT have it (which is ridiculous, IMO). The range of the Yongnuo transmitter is 100 meters whereas the range of the Canon transmitter (ST-E3-RT) is only 100 feet. So the Yongnuo transmitter will work more than 3x the distance vs the Canon.
Additionally, I was able to set a unique channel with a specific ID and have all the speedlite working together. I guess the latest firmware fixed both problems mentioned in previous reviews. I'll be using this at weddings and for portrait so I will update if there's any problem.
Here is the firmware update: