YongNuo YN-E3-RT & YN600EX-RT Released – Canon RT COMPATIBLE !!

YongNuo have officially dropped the bombshell for real this time!

Releasing the new flagship YN-E3-RT Speedlite Transmitter, and soon to follow YN-600EX-RT Flash unit!

Both directly COMPATIBLE with Canon’s RT built in TTL radio flash system, and the Canon 600EX-RT flash!!

This is real, directly from the YongNuo lead engineer –


YongNuo YN-600EX-RT


The flagship YN-E3-RT Speedlite Transmitter will be coming first, and likely to be available around Mid to late October 2013 (as there is a National Holiday from 1st to 6th in China now). To be followed later by the YN600EX-RT flash unit.

Both will be fully compatible with Canon’s existing built in RT radio system and the Canon 600EX-RT flash unit.

The YN-E3-RT also features an AF assist light, which is something the Canon ST-E3-RT sadly lacks, and most importantly a USB port for firmware updates.

The coming YN600EX-RT flash unit will also have a USB port and AF assist light.


YongNuo YN-E3-RT


Unfortunately the new YN-E3-RT Speedlite Transmitter, and coming YN-600EX-RT flash units built in radio system, will not be directly compatible with the current YN-622C TTL trigger system.

Though the coming new YN-622N-TX / YN-622C-TX have also just been revealed. Likely to help appease current YN-622 owners, as those won’t actually be available until late November and December respectively.



This is a huge development, as no one really knew if direct compatibility with the Canon RT built in radio system would even be possible! YongNuo are now in a very unique position, having direct compatibility with the leading Canon RT flash system.

Phottix have also just released their own 600EX-RT style radio based flash in the Mitros +, and Pixel are expected to have a TTL radio flash at some point as well. Cactus have announced a Manual radio flash, and even Profoto have announced an “off camera flash” coming in November. But non of these are likely to be directly compatible with the Canon system, as YongNuo have now achieved.


Though this does now leave some very interesting decisions for current YongNuo flash and YN-622C owners looking to expand their system.

In the mean time the original Canon 600EX-RT flash is also at a fairly good price of $499 at the moment. They will go nicely with the YN-E3-RT transmitter, until the YongNuo flash comes later.

The advantage here is that you can have one (or more) original Canon flashes, and expand the system with less expensive YongNuo flashes and transmitter etc.

See also – YN-E3-RT Features


  1. Alex 2 years ago

    Ermaghod! Yongnuo just keeps on steaming ahead at full speed. USB port is a promising new feature too :)

  2. Michael 2 years ago

    Any word on the price?

  3. Author
    Flash Havoc 2 years ago

    Hi Michael,

    No real detail as yet. Though –

    “YN-E3-RT/YN600EX-RT is our high end products, the price will certainly be more expensive than YN-622/YN568EX”

    Which you would expect. How much more is the question though.

    • Michael 2 years ago

      Makes sense. Thanx!

  4. Matthias 2 years ago

    Great news.
    YN600EX-RT, is it likely to be a YN-568 with build in radio?

    • Author
      Flash Havoc 2 years ago

      Hi Matthias,

      The image at the top of the page is the YN600EX-RT. A completely new flash, and a little disturbingly like I predicted, very much an imitation of Canon’s design.

      • Silver 2 years ago

        I have canon 600ex-rt flash, if i buy this 2 of this units one on flash another on camera and what can i use to trigger my camera?

        • Author
          Flash Havoc 2 years ago

          Hi Silver,

          I would assume the YongNuo system will work just like the Canon RT systems with regards to the shutter release (which does get a bit confusing).

          There is a good explanation here of how the Canon RT shutter release can function.

          From what I understand, you can use either an ST-E3-RT or 600EX-RT as the wireless release in hand if you’re just firing the remote camera with no remote flashes. To fire a camera and remote flashes you can only use the 600EX-RT in hand. Thanks.

  5. Tron 2 years ago

    What are the real advantages for the Canon RT-system over the YN-622c-system now that a YN-622TX will be available? I was hoping for a YN-568 with a built in YN-622-receiver….

    • Author
      Flash Havoc 2 years ago

      Hi Tron,

      Well its a very unusual situation now.

      Being able to work in with Canon flashes is a big advantage. But it puts people in a difficult situation of knowing whether to pursue the Canon compatible system now or the YN-622 system.

      The advantages of either will have a lot to do with what YongNuo decides to offer for each. I think they may have more to announce yet, but hopefully they will reveal more so people know where they stand.

      Personally I think things always keep moving forward, and the new system is likely to get most of the attention.

  6. Armin 2 years ago

    Now it’s getting weird: 560 system, 622 system, new 600 system.

    As a Nikon user I expected a 568 with 622 build in.

    Will there be a YN600 system for Nikon as well? Of course then without compatibility to Canon 600EX.

    • lianggc 2 years ago

      No, RT system is for Canon only.

      • Armin 2 years ago

        Thanks. So this is best news I can think of for Canon users.

        Any chance of a 568 with integrated 622 for Nikon?

  7. Scott 2 years ago

    These 2 new YongNuo pieces look identical to Canon’s 600ex-rt/St-E3 set-up, but do you have any type of rumored specs yet ?
    Like does the new flash’s zoom go from 20-200 like the Canon’s ?
    How about power 58 to 60 GN. ?
    And does the transmitter and or the flash have 5 different groups ie…. (A,B,C,D,E) like the Canon does ?
    Thanks !

    • Author
      Flash Havoc 2 years ago

      Hi Scott,

      I think they are releasing details after the Chinese holiday. The YN-E3-RT should be close to available then.

  8. the Flasher 2 years ago

    Hmmm i thought i was going to be happy but now I’m not sure??????

    SO will this RT system be fully compatible with older canon cameras? (The canon RT flashes only fully X-sync at 1/200 sec with the latest canon cameras!)

    No backward compatibility with current 622 triggers????????

    I was hoping for a 568 with 622 built in so i can use it with my existing 5x 622 triggers.

    But I will wait for the new 622c TX because i know it works with my equipment.

  9. the Flasher 2 years ago

    one more question…… will the YN-600EX-RT have both HSS and external power socket?

    Or will it only have HSS and then you release a YN-608EX-RT which has external power but not HSS?


  10. Amir 2 years ago

    That’s a great development! It didn’t take YN that long to reverse-engineer Canon’s RT system. Impressive if it’s truly fully compatible.

  11. Singapuree 2 years ago

    It would be nice if the new transmitter could trigger the yn-622’s too. That way people with investments in the current system and older flash guns could have a way forward without having to ditch their old system.

    Otherwise the new upgraded yn-622tx will be the way forward as they can communicate to all e-ttl flash guns.

  12. Jacques 2 years ago

    Sure wish they’d pay some attention to Micro Four Thirds. I’m shooting Panasonic MFT alongside my Canon pro gear for event work.

  13. john h 2 years ago

    wow! this is just getting out of control… the minute i think i know which system I’m going to by is when they just keep coming out with more. I really just don’t know what to go with anymore ..
    And I’m pretty sure this will be expensive no? I’m a canon kind so I’m not complaining but we all know its not going to be as much as canons system right

    SINGAPUREE….. I hear you on that …. I’m afraid that once i go with this system, that something even better will come and it wont be compatible …… But then again this would be all i really need as i am only a beginner

  14. George 2 years ago

    Hi am looking for manual or TTl system for my new system fuji XE 1

    Regards G Christofi

    • Author
      Flash Havoc 2 years ago

      Hi George,

      There’s not much in the way of off camera TTL with the Fuji. For a manual system take a look at the YN-560 III and an RF-602 transmitter. Later in the year there will be a new YN-560-TX transmitter unit released which will provide remote manual power control from the camera.

      That’s about the closest you will get to a radio flash system at this stage. Cactus will be another option coming a little later. Thanks.

  15. Meddin Studios 2 years ago

    Please give us:

    Ext Power Port
    Timing Adjustment
    Manual Trigger support (Whatever new trigger just something to implement Cheetahs into the mix)
    Fast Group Selection
    Decent Build Quality
    600EX as a master (similar to using Mitros+ as on-camera TTL controller

    I’ll happily pay $200-250 for the E3-RT and $400-450 for the 600EX

    • Amir 2 years ago

      $400-450 for the YN600EX-RT? At least where I am, Canon 600EX-RT can be had at that price. Why would anyone pay almost the same for a third-party flash? $300 will be more realistic given the price of YN’s current flagship flash.

      • Mike 2 years ago

        I don’t see why it should cost much more than YN-568. If we are buying direct from Yongnuo and eliminating layers of middle-men throughout usual distribution channels, why would we egg Yongnuo on to want to approach Canon’s speedlight pricing?

        I can imagine strobists selling off their two or three Canon speedlites to buy five or eight Yongnuos. You’ll probably agree that carrying a bag of Yongnuos, spreading them around a building for say interior photography feels a tad more in the comfort zone financially than doing so with a bag of Canons. This is in large part what has made Yongnuo so great. You probably feel this way too if you can make circles with your Yongnuos around you Canon or Nikon speedlighted colleagues. I bet you they feel it too and are only a few more sessions like that away from conversion.

        Listening to this price bidding rant, I am beginning to worry about Yongnuo’s new found focus or the lack of focus on the good thing they already had going for them. I would have preferred to see some marriages between their own systems instead of this exciting new development.

        Kind of reminds me of several business operations here in town that once had a good thing going and ended up neglecting he good thing they had for a one-time over-sudden growth burst in dizzily multiplying trigger happy directions. Loyalty needs regular attention or it will wither.

  16. the Flasher 2 years ago

    ok i think i made my decision……. i think i’ll ebay my existing equipment and go with the YN-600EX-RT system……..


    Because i’m betting Canon is going to incorporate RF flash trigger function into the camera body (probably not as complex as the functionality of the STE3 but good enough) and then I won’t need any extra TX or RX units in my camera bag when I’m traveling light!

  17. Penn 2 years ago

    Wow! Nice. I know I’m in the minority but I wonder if they’ll ever make these for Sony alpha systems? Probably not until they’re ready for something newer. Sony usually gets the scraps. :-(

  18. john 2 years ago

    This is the system I have decided on and I truly can’t wait. The anticipation is killing me for updates on how much it’s going to be and when this is actually coming out……

    Another thing…….being the fact that it looks identical to Canon’s system I’m assuming that it will work exactly the same way right. I’m already studying Canon’s manual on the 600ex. Lol. Hopefully I’m not wasting my time.

    Yongnuo!! Please HURRY!!!!

    • Dave R 2 years ago

      I would not presume that it will work exactly the same way as the Canon flash. The outer body shell and the buttons may be nearly identical but the internal workings and the LCD user interface could be quite different. Canon dramatically changed the LCD display on the 600EX-RT to a context sensitive Dot Matrix display from the static icon placement of all their previous LCD displays. In my mind that design change makes the 600 flash much more user friendly than my previous 580EXII. We will just have to wait and see how they behave when someone can get hold of a working copy of the new units.

      I am positive Yongnuo will make sure their new trigger can communicate with Canon 600 series flash units in addition to their own 600 RT flash. I am also sure their new 600 series flash will talk to a Canon ST-E3-RT trigger. The fact that the new Yongnuo trigger has a focus assist lamp is reason enough for me to consider it over Canon’s ST-E3-RT which lacks that important feature. I’ll have to wait and see whether Canon’s new Group Mode is supported, providing independent control of 5 groups, as it is on the Canon equipment. I’ll be pleasantly surprised if it does. I would not be surprised if the Yongnou equipment only supported the traditional 3 group system. If those 3 groups can be mixed between ETTL, Manual, and off I’ll be satisfied.

  19. h13131 2 years ago

    Can someone tell me pls,,, does it mean 600 ex rt equals 568 ex II plus 622 c/n ? if yes, why do you really need this new flash?

    • Dave R 2 years ago

      The new units have built in radio receivers in the flash so you don’t have to mess with additional triggers on all your remote flashes. The Canon RT system that Yongnuo is implementing here offers 2 way communication between the remote flash and the master flash/trigger on the camera so they report when they are recycled and ready to fire. Depending how fully Yongnuo copies the Canon RT system there may be other advantages. I love my 622C’s but the Canon RT system is very nice.

  20. Adam 2 years ago

    Im intrigued!!!
    Couple questions from a Nikon guy
    1. Is there a ttl flash available with built in radio transmitter to fire a remote flash with a built in Rt kind of like the 560 III?
    2. If I were going to purchase a new flash for my Nikon is the new 600ex something I would benefit in waiting on compared to the 568?


    • Author
      Flash Havoc 2 years ago

      Hi Adam,

      There has been no mention of a built in radio flash option at all for Nikon as yet. The YN-568EX II for Nikon was postponed though, so you have to wonder if there will be a flash with YN-622N radio triggers built in coming instead.

      If not the only option for now is the YN-622N triggers, which can put a TTL flash on top of the pass through hotshoe.

      I think its obvious the flash will come though sooner or later, its just a matter of when.

  21. scott villalobos 2 years ago

    Any idea if you will be able to remotely zoom flash heads of remote strobes?

    • Author
      Flash Havoc 2 years ago

      Hi Scott,

      No there is no remote zoom currently supported, as that’s not a function of the Canon RT system either. I’m not sure if that’s a function that could be added through firmware later or not.

      The YN engineer did make a comment somewhere saying he didn’t think it was that desirable off camera, so I don’t know if its something that could be changed if a lot of people are asking for it or not.

  22. dave 2 years ago

    Do we have any updates on the release date of the YN-E3-RT or the YN-600EX-RT

    • Author
      Flash Havoc 2 years ago

      Hi Dave,

      Sorry no, there has not been any indication of an expected date on the flash at all as yet. The YN-E3-RT is due this month. If we don’t hear anything by the end of the month I will try and get an update, otherwise the more we all bother them the longer it will take.

  23. john 2 years ago

    You would think it was the other way around but whatever I’m waiting cause the idea for me is to have nothing but this system. As of right now I have absolutely no flashes in my collection due to the fact that the only 2 that I had just broke about a week ago. I am feigning to do some flash photography and just don’t see any point in buying any cheap flashes as I want to just keep saving for a bunch of yn 600s.

    My little boy got a hold of one and was throwing it around for a good half hour before I even knew that it was my flash. Lol lol. Ooooppppssss.
    The other was just garbage.

  24. Bart 2 years ago

    Very curious if the Canon ST-E3-RT trigger will be able to talk with YN600?

  25. Dave R 2 years ago

    Any word on the current status of the YN-E3-RT out of Yongnuo? It’s now late October. I wonder if the firmware revision to provide group mode for older bodies delayed the production release date.

    • Author
      Flash Havoc 2 years ago

      No word yet sorry. The RF-603 II have still not emerged and they were due first, so YN are obviously running a bit behind at the moment. I don’t think firmware revisions would be the issue a that can easily be updated later anyway. There’s likely some production delays somewhere.

  26. Adam Bolt 2 years ago

    Hi Flash Havoc,

    I was about to buy the Canon ST-E3-RT until I saw that you were bringing this compatible model out with a few extra features.

    If they need someone to test the final product I would be more than happy to trial the YN-E3-RT with my 3 x Canon 600EX-RT’s and Canon 650D and give a full report. Really interested to see how it performs in group mode and in 2nd curtain (Manual mode)

    Kind Regards
    Adam Bolt

  27. Mike 2 years ago

    Would anyone else besides me like to see YN-560IV, 568EXIII, or YN600EX-RT with Li-ion?

    • Adam Bolt 2 years ago

      I think all camera/flash manufacturers should go to Li-on batteries.for their flash units… you don’t see the camera bodies using AA’s anymore… I was just thinking the other day if someone could make a li-on battery moulded to suit say a Nikon or Canon flash battery housing they could sessentially make alot of money for themselves… I’m no tech expert so I don’t know if this was technically possible, but if it is then where to I signup to create this! :-)

      • Author
        Flash Havoc 2 years ago

        Hi Adam,

        I think the problem is even if they could match the size and voltage etc of the cells to fit into the flash battery compartment, that’s likely still not going to achieve fast recycle like using a HV battery socket, as they power directly to the capacitor. So external packs are still the most convenient option there. They could become more compact though.

        Replacing all the batteries like this is just far less hassle all round though. Particularly if you have a number of flashes.

  28. SY Pang 2 years ago

    Can the RF622C work on XE-1? I have a Canon 5D Mk2 and XE-1, so I would like a set of wireless trigger that works on both.

    Also, I may venture into High Speed Sync in future with other cameras so I don’t want to have to change another set again.


    • Author
      Flash Havoc 2 years ago

      Hi SY Pang,

      The YN-622C should work on the XE-1, but only as a basic manual trigger, nothing more.

      When the new YN-622C-TX transmitter arrives, there may be some chance that will allow remote manual power control on non Canon cameras, but we will have to wait and see.

      You definitely won’t be able to use HSS (or TTL) with the same transmitter or triggers from one camera to the next. These need to be specifically dedicated to the camera to function. Thanks.

  29. T Salaz 2 years ago

    I was just looking at the phottix and saw this….did this get released or is it still just in the rumor mill ?

    • Author
      Flash Havoc 2 years ago

      Hi T Salaz,

      The YN-ST-E3-RT is about a month behind now, and the YN600EX-RT Flash has not been given an expected arrival time at all as yet.

      Phottix gear is generally higher quality and more reliable though as well. Thanks.

  30. john 2 years ago

    What is going on …….not even an update from them or nothing.?

    • Author
      Flash Havoc 2 years ago

      Hi John,

      I’d say they still don’t have any definite idea of the release time. They appear to be running behind what was expected with a number of triggers now. Thanks.

  31. ElToten 2 years ago

    Somebody is talking quite an amount of cattle dung here. These two are 100% the same as the Canon 600EX RT and E3 RT. Somebody is having a laugh by replacing the Canon labels with Yongnuo labels. Good old Photoshop, eh?

    • Author
      Flash Havoc 2 years ago

      Hi EIToten,

      Actually if you look close enough they are not exactly the same. This has already been well discussed. Thanks.

  32. John 2 years ago

    I mean I think I’m getting a little tired of waiting
    I’m sure a lot of people are but why can’t they at least give you something
    Ya know. Anyway I don’t think I can wait anymore. I need something. I don’t know
    Maybe at least a cheap flash for now will hold me over until it comes.

  33. Alexandre 2 years ago

    The YN560 in slave mode will work with the Yongnuo YN-E3-RT Speedlite Transmitter?

    • dave 2 years ago

      no the yn560 will not work with the yn-e3-rt or the canon 600ex rt

  34. William 2 years ago


    I hope not, I just bought 3 canon 600’s for 399.95 each, factory sealed not referred flashes.

    I would have expected 299 for the yn model…..

    Any updates on these coming to market?

    • Author
      Flash Havoc 2 years ago

      Hi William,

      Going by the price of the YN-E3-RT, the YN-600EX-RT will be around half the price of the Canon flash as well.

      No updates on arrival time. I doubt we will hear much until they are actually released.

  35. Óran 2 years ago

    Any news on the YN600EX-RT? release date?

    • Author
      Flash Havoc 2 years ago

      Yes, next year some time!

      (sometime after Chinese New Year that is :-) )

  36. Jason 2 years ago

    Not sure why everyone is going so crazy over this. Seems to me like you’d be buying into the same limitations that actual Canon versions saddle you with: namely, incompatibility with older camera bodies and flashes.

    Plus, Yongnuo build quality is hit or miss at best. I see a lot more functionality and freedom of expansion using the Phottix Mitros+ system, and the build quality is EXCELLENT.

    To each his/her own though.

    • Mike 2 years ago

      Nope, from reviews posted elsewhere, the Yongnuo trigger restores full sync speeds to older Canon cameras, as well as manual control and firing with ANY camera! I’m using the Canon system at the moment, with the ST-E3-RT and 4 600EX-RT’s. It works incredibly with my 1DX, and less so with my 5D MkII. I just ordered the Yonguo trigger to have AF assist, full sync with my 5D2, and manual control from my Fuji X100s.

      So, not exactly “going crazy”, but for 140 bucks on eBay it’s a no-brainer even if only HALF the functions work.

  37. Mel 2 years ago

    Do you know if you can trigger the Yongnuo YN 622 with the YN-e3-R3, I’m asking this because id like to combine my 2 strobes with my 2 600ex-rt, thanks a lot for your comments.

    • Author
      Flash Havoc 2 years ago

      Hi Mel,

      Sorry no, you can’t trigger the YN622 with the YN-E3-RT.

      Maybe YongNuo will eventually release a separate receiver for the YN-E3-RT, but we really don’t know at this stage. Thanks.

  38. Chris 2 years ago

    Any update on availability of the YN600EX-RT? I currently have the ST-E3-RT and one Canon 600EX-RT and would like to expand my arsenal, but it sounds like I could probably get 2 YN600EX-RT flashes for the same price as one of the Canons. :)

  39. SithTracy 2 years ago

    Just got my YN-E3-RT. Already own one Canon 600EX-RT. Shipped with 1.08 firmware. Very impressed. Will be adding another 600EX-RT and selling my old Pixel Kings. Looking forward to the YN600EX-RT.

  40. Martin Carlsson 2 years ago

    Any update on the release of the YN-600EX-RT and it’s specs?

  41. Creativjoos 1 year ago

    What’s the deal.. No sense in waiting for a product that may never come out. Might as well go ahead and get the Canon 600EX-rt speedlite. Otherwise I’ll be waiting for forever.

  42. Author
    Flash Havoc 1 year ago

    There is no news on the YN-600EX-RT at this stage.

    There is no stock of the YN-622N-TX at the moment either, and they were released a number of weeks ago. So I would expect there will be some wait yet on the flash.

  43. Grantjcassar 12 months ago

    Ok Yongnuo just add ext battery and bare bulb and i’ll be a happy man.

    Oh anyone need help with yongnuo gear join my facebook group.

  44. Will the yn600EX-RT speedlight wirelessly trigger a yn560II speedlight? I’m trying to figure out how to make it do that now?

    • Author
      Flash Havoc 7 months ago

      Hi Cindy,

      No not via radio. The only built in option is the S1 or S2 optic slave modes in the YN-560 II. Otherwise they need a separate set of manual radio triggers to fire them.

      YongNuo have just announced a separate RT receiver which could be used to fire them, but we don’t know when they will actually be available.

  45. Carlo 6 months ago

    Hello, i was wondering if the YN-E3-RT transmitter can fire the YN560 IV flash via radio.

    • Author
      Flash Havoc 6 months ago

      Hi Carlo,

      No they are not directly compatible unfortunately. You generally want the YN560-TX transmitter for the YN560 IV flashes.

      With the release of the soon to be available YNE3-RX receiver though, you may able to mount an RF-603 II or similar transmitter on they YNE3-RX receiver, and they should then fire the YN560 III and IV flashes from the ST-E3-RT transmitter. (Though there may be some reduction in maximum sync speed available).

      You could then use the YN560-TX in hand / pocket to control the YN560 III / IV power levels remotely, while the ST-E3-RT is on the cameras hotshoe.

      (Or to have one less trigger used, mount the YN560-TX directly onto the YNE3-RX receiver).

  46. Carlo 6 months ago


  47. Kryn 6 months ago

    After some investigation I found the following that could be useful to others:

    First I should state I have both the original Canon 600EX-RT and the Yongnuo variant. I used both in my testing. The firmware of the YN-E3-RT is 1.14, the firmware of the YN600EX-RT is 1.8.1.

    The YN-E3-RT has a custom Function called “Legacy”, which can be accessed by long-pressing the CFn button. The intend of this function is to allow the YN-E3-RT to be used for Non-Canon Cameras. I used this function to assess the different operation modes.

    Note that in the test cases below, only Manual mode was tested, as this is primarily a test to assess compatibility with other, non-Canon, cameras.

    Camera “Legacy” Canon 600EX-RT YN600EX-RT
    D810 Off Yes No
    D810 On Yes No
    M8.2 Off Yes No
    M8.2 On Yes No
    R-D1u Off Yes No
    R-D1 On Yes No
    X-Pro1 Off Yes No
    X-Pro1 On Yes No
    E-PL5 Off Yes No
    E-PL5 On Yes No
    5D2 Off Yes Yes
    5D2 On Yes No

    During this test I also noticed that the YN600EX-RTs had a rather long power recycle time. The YN-E3-RT has an option for setting the speedlite power output when pressing the “Test” button. The function seems to work as required when working in ETTL mode for both the Canon 600EX-RT as well as the YN600EX-RT. However, the function does not seem to work for the Canon 600EX-RT nor for the YN600EX-RT when working in Manual mode. It appears that when in manual mode, this function is disabled, and the test button assumes the power setting set on the controller for the relevant speedlite. Since the transmitter requires the user to push the “Test” button each time settings are changed (applies to both the Canon and the Yongnuo speedlites), this could cause the batteries to drain unnecessarily. Also note that since it only works in ETTL, this means you can will only have this option available with Canon cameras when shooting in ETTL.

    My conclusion is:
    1) The “Legacy” Switch is not working at all. It does not have an effect when using the YN-EX-RT in conjunction with a Canon 600EX-RT.

    2) When used with a non-Canon camera, the YN-E3-RT only triggers Canon 600EX-RT speedlites. It does NOT trigger the YN600EX-RT speedlites.

    3) The Test power option only works in ETTL, which means using a Canon Camera. In Manual mode the “Test” button will result in an output from the speedlites equivalent to the setting on the YN-E3-RT.

    • Author
      Flash Havoc 6 months ago

      Ok thanks Kryn.

      For anyone following this, this issue is likely due to the firmware V1.14, and the discussion on this is continued here.

  48. Kryn 6 months ago

    Excuse the formatting, as always with IT equipment and software it screws up formatting whatever you do. It should still be understandable though: First word/acronym is one column, second word is the next column, etc.

  49. Don 3 months ago

    I just received 2 YN-600-RT’s. I also have the YN-622-C TX and I thought about getting the YN-568ex flashes until I realized these had a new battery door, had the ability to work with Canon’s radio system and zoomed to 200mm.

    What I don’t is weather or not the internal radio on YN-600’s can be turned off, to reduce battery drain.

    The advantage of using these with the current YN-622 TX is the ability to set power remotely without having to learn Canon’s ratio system plus I can control the zoom from 24mm-105mm. I’ve also taken a few shots at 8,000th of second and it work flawlessly. And lastly I can mix my Canon 430’s and 580’s with these flashes.

    Built quality seems okay so far, but reliability and MTBF will be more apparent in a year or two.

    • Author
      Flash Havoc 3 months ago

      Hi Don,

      Apart from the remote zoom I would say the only main disadvantage to the RT system is range with the YN-E3-RT transmitter (though I have ordered a new one to see if they have improved). The Canon system in GR Group mode is not really that much different to using the YN-622C-TX. HSS etc works just as well.

      You can mix 430EX II and 580EX II with the RT system now as well, by using YNE3-RX receivers with them. I think MK II flashes are needed though.

      Regarding turning the YN600EX-RT’s internal radio off, I don’t think that should be an issue as the radio would not be working when the flash is in regular TTL and Manual mode when used with the YN-622C receiver anyway.

  50. Jeff 2 months ago

    I watched a video of a Canon 600EX-RT and all of the screens/menus looked like the YN600EX-RT.

    Is there a list of the items on the YN600EX-RT that are different than the original Canon version?
    Is there a list of the items on the YN-E3-RT that are different than the original Canon version?

    thank you,

    • Author
      Flash Havoc 2 months ago

      Hi Jeff,

      I haven’t had a chance to actually review the YN600EX-RT and YN-E3-RT yet. So I haven’t really tabled all this properly.

      I think the main differences with the YN600EX-RT are

      – Lack of Optic Wireless Master Mode
      – Lack of any EXT function or sensor on the front of the flash
      – A more basic AF assist light
      – Custom and personal function options would be slightly more limited as well

      The YN-E3-RT have a number of extra features over the Canon ST-E3-RT. I can’t think of the missing features off the top of my head now, though the YN-E3-RT do do most of what the ST-E3-RT provides, plus –

      – AF Focus Assist light
      – USB port for firmware updates
      – Second curtain sync (in manual only)
      – Full Group Mode with pre-2012 cameras
      – Remote Manual Power Control with Non Canon cameras
      – Slave flash charge status does not stop other flashes from firing
      – Full sync speed maintained for pre 2012 cameras

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