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Yongnuo RF-603C II Wireless Remote Flash Trigger C3 for Canon 5D 1D 50D

Yongnuo RF-603C II Wireless Remote Flash Trigger C3 for Canon 5D 1D 50D

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Features:
The new RF-603 II is improved version of RF-603, it is a remote shutter release as well as a multi-functional flash trigger which can synchronously trigger flashes and studio strobes. 
Through the transceiver based system each item can be used flexibly as trigger or receiver. 
Only 2 AAA batteries are required as power source for each item.
The 2.4GHz wireless frequency is suitable in most countries and guarantees high speed, distance and stability. Within capacious areas, the remote control distance may reach to 100m. 
The synchronization speed can reach to 1/320, depending on the situation.

Improved features:
1. Hot shoe locking system to prevent from slipping off
2. Switch on side for easy operation
3. Enhanced self-detecting system

Functions: 
Supports single contact triggering.
Can achieve wired and wireless remote shutter release function.
Flash Trigger: to fire the Flash Speedlite; to fire the Studio Strobe light (You need to purchase an extra 6.35mm cable to fulfill this function).
You can use ABOVE TWO FUNCTIONS simultaneously.

This listing is for C3 version: 
For Canon 1D 5D 7D 10D 20D 30D 40D 50D 
 
Specifications:
Type: FSK 2.4GHz wireless remote sustem
Transmitter distance: 100M
Channel: 16 channels
Release: half-way press, full-way press
Receiver interface: one is 2.5mm socket
Studio flash light interface: Standard PC socket
Battery type: 2 * AAA (not included)
Stand-by time: Up to 45hours (TRX); up to 400hours (TX)
Item size: 80.7 * 31.3 * 25.9mm / 3.2 * 1.2 * 1.0in
Item weight: 44g/ 1.6oz (each)
Package size: 16 * 9 * 4.5cm / 6.3 * 3.5 * 1.8in
Package weight: 177g / 6.2oz 

Package List:
1 * Tranceiver
1 * Receiver
1 * Shutter connecting calbe C3
1 * Manual (English)

Customer Questions & Answers

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2 votes
Q

Does the Yongnuo RF-603C II work with a Canon 6D, or a 580EX flash? I can't make them work. Wrong contacts?

A
  • Hi, I use three RF-603c II's with my 6d. I use one on the camera as a trigger, and two as receivers on two flashes (Yongnuo YN568EX [which also has five contacts] and a Neewer TT560). They only work on the TRx mode, but they've been working perfectly so far. You've checked that the channels on the trigger/remotes are s… see more Hi, I use three RF-603c II's with my 6d. I use one on the camera as a trigger, and two as receivers on two flashes (Yongnuo YN568EX [which also has five contacts] and a Neewer TT560). They only work on the TRx mode, but they've been working perfectly so far. You've checked that the channels on the trigger/remotes are set to the same combination? I can't think of anything else that could be a problem. Like I said they work perfectly with my 6d. So much so that I'm about to order two more RF-603C II's to go with another flash that I just got. Hope you get it sorted out. Best of luck. see less

    By Solaceinsorrow on May 1, 2018

See more answers (1)
2 votes
Q

Would this work for a Canon 6D?

A
  • Yes it will. I've used them with my 6D numerous times.

    By Police Box on January 14, 2018

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1 votes
Q

does anybody know if this comes with a Sync connector for Canon 7d? If it doesnt, what model should i get for my 7d? Thanks in advance.

A
  • Yes, it does come with a sync cord for Canon EOS cameras. In this case I also have a 7d and it works perfectly.

    By Greg Hoover on April 21, 2018

See more answers (3)
0 votes
Q

Would this work with a canon m3?

A
  • All Canon flash mounts are identical.

    By Jerry B on June 29, 2018

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0 votes
Q

Does it require any additional cables if using for T2i / 550D?

A
  • Hello It is included Thank you

    By Raibeart on May 15, 2018

0 votes
Q

Will this shutter trigger work with an 80D camera?

A
  • --yes, C1 cable will help you use RF603 trigger as a wired and wireless shutter releaser. if use as flash trigger,

    By Mckenna on May 8, 2018

See more answers (3)
0 votes
Q

will it work for 550D?

A
  • Yes Thank you

    By Donal on May 12, 2018

0 votes
Q

will these work with the pentax k3?

A
  • They will work as long as you have the right cord for the camera

    By Mr imperfection on May 10, 2018

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0 votes
Q

Do you know if this is the right one for my canon 7D? It says it is, but the Sync

A
  • It doesn't have HHS or any high sync speed but it will work on canon Dslr also you can't control your flash with the camera manue only on the flash

    By Joseph Pal on May 7, 2018

0 votes
Q

I have canon 5dm, Can I control from the menu camera the YN-560 II???

A
  • 603 can help 5DIII trigger the YN560II. but flash mode have to do setting on the flash light itself.

    By Kasandra on May 3, 2018

See more answers (1)

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Customer Reviews

Average Rating:

4.8

based on 518 Customer Reviews

  • 5 stars
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  • By E. Milkunic

    December 30, 2017

    I've owned this product for about 3 months now and I just fallen in love with it. I own 3 Pocketwizards II which I use with my studio lights but I've been looking for a trigger cable which would trigger the camera and flash simultaneously. That set up for Pocketwizard would have cost me about 60 to over 100 bucks alone so I took a chance with the Yongnuo's. I got the 2 Trigger package which came with a shutter release cable for about 30 bucks. I love it so much that I ordered another set for a 2 light set up and wireless trigger system. I've read many negative reviews on where people are having trouble putting the flash on it and securing it on the light stand! Not to be rude or anything but those people should probably stick to natural lighting or educate themselves more on how to properly set up a lighting system. The only negative thing about the trigger would be that you have to turn it on before you mount the flash but beside that love those little buggers!

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  • By inkista

    October 16, 2017

    My RF-602 triggers are aging and that CR2 battery is a real PITA, so I thought I'd try picking up a set of the RF-603II triggers not only for the numerous improvements (locking ring, on/mode switch on the SIDE of the unit, the test button working in hand, etc.) but because these would be compatible without modification with my micro four-thirds camera (Panasonic G3). Worked great out of the box on both my Canon and Panasonic cameras. But. Whether I got a bad unit or a bad cable, I don't know, but the set could not be used as a shutter release with my 50D and 5DMkII, so I am returning them. In addition, I could not get another feature that was mentioned in the specs to work at all, which was the use of the PC port as a triggering input (from, say, a camera's PC port or a light meter) in Tx mode. I like to use a small optical slave in conjunction with the pop-up flash of my Powershot S90 to do radio off-camera flash triggering sometimes (I'm just weird that way), and it works fine with my RF-602s (which are old enough to still have the PC input port on the Tx unit). Couldn't get it to work. And the manual that came with the triggers describe the PC port as an output only (just like on the Mk I 603s). So if this was the feature you wanted the triggers for, you may want to wait and see if anybody reports success on this. Other than that, the triggers were great are popping off remote flashes in my testing, and I'm sorry the other features didn't work as I expected them to.

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  • By Charlie Bass

    August 23, 2017

    They arrived packed very securely in 2 per box in 1 package. I was immediately impressed with the packing and thickness of the boxes. I opened them, installed the 2 AAA batteries in each (they do not come with any so have some ready) got my Canon 580EX II out and started taking pictures right away. There is a small instruction manual with each kit, but unless you just want to know the names of the parts, setting the RF-603 up is a breeze. After shooting several pictures around the house, I attached the cable to make it work as a wireless trigger for my camera--worked like a charm. Several have commented that there is no locking mechanism for attaching it to the hot shoe on the camera--while that it true, I found that all 4 of the RF-603 transceivers I received fit snugly on the camera. I intentionally shook the camera to try to get it to slide back and it stayed firmly in place. I have absolutely no complaints about the transceivers. They work as described and saved me a whole lot of cash.

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  • By brnt

    August 17, 2017

    Outstanding little devices. I've only had them a week, but I already can't live without them. They are very well made, have screw-downs for securing to other hardware, and work without line-of-site--which is a huge improvement over the official Canon remote I was using previously. Oh, and they use standard AAA batteries--no more hunting for weird form-factor batteries and payin an arm and a leg for them. One feature that isn't getting much notice here is that the trigger button has a half-press state which will activate the camera's auto focus! Pretty cool.

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  • By J Ike

    August 14, 2017

    I use the RF-603 with my YN565ex and my Canon T3i. Initially I was a little frustrated getting these set up but once done I must say they work very well. The frustration had s much to do with my big fingers as it did with the actual transmitters. I fired about 100 test shots and they didn't miss once. I didn't do a distance test yet but they did trigger the flash while the camera was in another room with a wall between them. Works well as a wireless remote to fire the camera (say for long exposure night shots) and considering the cost of a wired trigger this feature makes the unit worth buying unto itself. This is an excellent value whether you are on a budget or not. They get the job done for a low cost which allows you to put that money into things where money should be spent...like lenses.

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  • By Tim L.

    July 14, 2017

    If you are looking for a budget flash trigger, look no further. For the price, these just can't be beat. Some of the things I really like about these: Small, takes AAA batteries Work at great distances, a 100m actually seems accurate Triggers each time (tested for two days, about 1000 shots and fired every time) Each trigger can be used as a transmitter or transceiver (transmit and receive), great for when you want to use a light meter On and Off switch on the side (actually switch between OFF, TX, TRX) 1/320 sync speed, I could only test with my Canon 7D at 1/250th Comes with cable for triggering camera remotely, make sure to get correct model for you camera (C1, C3, N1, etc...) Has a Nut so it can be tightened to camera and/or flash Works with Yongnuo 560III So far I have not found anything I don't like about these. Make sure to get Yongnuo RF603 II, the originals RF603 do not have the same options. Ok, so I've had these for several months now, they are still working great, I've even ordered a few more, have about 8 now. The distance that these triggers work is amazing, inside and outdoors.

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  • By glennducusin

    July 13, 2017

    I owned the first version of the RF-603 wireless transceivers and there were a couple issues I had with them including the absence of a locking mechanism to keep the transceivers securely in place on the hot shoe. (I broke one of the transceivers because it fell off my camera's hot shoe as I was walking around with my bride & groom shooting photos around the venue). The RF-603II transceivers now have a locking mechanism and the on/off switch was moved from the top to the side. I have owned the pair for a couple years and have had zero issues with them. this is an absolute bargain.

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  • By Rob

    July 12, 2017

    I have 6 of these. 4 of the old style and now two of the new. They are reliable and compact and work with any camera when paired with the right cable. I mostly use them to trigger my camera but they can also be used to trigger strobes. I am glad to see the power switch has been moved to the side so you can reach it when something is mounted above the trigger. Now if they can make the battery doors not fall apart when dropped that would make this review 5 stars. I dropped one and broke the clip on the battery door the first day I got these new ones. Out of the 6 triggers I have, 4 of the battery doors are broken and I have to tape them on. Hey Yongnuo, fix that and these would be nearly perfect.

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  • By J. K.

    July 12, 2017

    Have tried to order these before and a different company sent the wrong model...or then I tried a different brand and they misfired more than they worked. Finally I was able to get these and I am thrilled with them. I have used these twice so far and I do not think I have had any misfires.Have also used it as a remote trigger..,both devices seems to have to be set to TRx to make the trigger function work that was not obvious from the devices nor from the manuals. The other thing that is cool is that I have a yungnuo 560 flash and the device will fire that without a receiver on it....so with the two devices I can trigger both of my speedlights.

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  • By E

    June 23, 2017

    The 603s do not work with the sony without a mod. open up the unit and solder a 120K ohm or 130K ohm 1/4 watt resistor between the VIN (+ terminal) and the J6 terminal (yellow wire). It works, at first you might think that it doesn't, if the screen on your flash has this -- instead of a flash power, just hit the buttons to cycle through the powers and then your flash will work great. That was my dumb mistake that took a moment to realize. There is some questions about it matching up with higher speeds. I didn't get a chance to test that yet. I did take a few test shots after the mod, with the 603 on my sony a58 and it worked well. The resistor I bought was from eBay and came in a pack of five. Received them in an envelope in two days.

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  • By Hollie Swanson

    June 1, 2017

    these guys (i have 4) have allowed me to really change the way i light and take pictures. i use external lights manually (the YN560 strobes are my tool of choice) so i really don't care about ETTL or IR focus of the fancier models. at this price these guys are virtually disposable, though i haven't broken one yet. i use rechargeable batteries, and these units inevitably outlast the speedlights on battery power. they would get 5 stars if the on/off switch wasn't so easy to bump on in the bag, and especially if i could get TO it with the strobe mounted. but at this price, i am delighted with their performance. GET THAT FLASH OFF YOUR CAMERA WHERE IT CAN REALLY WORK FOR YOU! just do it. and forget the cheap duo-fold westcott umbrellas. talk about design obsolescence. get the single-fold photoflex with they nylon ribs. da bomB!

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  • By Moises F.

    April 16, 2017

    I was a little skeptic in buying this product but once I did I was really surprised with how easy it is to use and how well it work. The first time using this product I was shooting an engagement shoot and the only issue I found was that there was another photographer at the venue. it seemed that he had either the same transmitter or was transmitting on the same frequency as I because I was noticing that my 430X II was being triggered when I was not taking pictures. I was able to work around it. This may be a problem depending the situation but it was something I saw this may be an issue for some people. My photo session was outdoors and the flash was being used as a fill light.

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  • By Jeremy D Lundquist

    March 24, 2017

    Picked these up with the Yongnuo YN 560 III flash and am pleased with the flash trigger function when I have the flash off-camera (the 560 has internal receiver so only one camera-mounted RF-603 is needed here). The wireless shutter release was a function I wasn't planning to use but have used quite a bit to sharpen landscape shots by getting my finger off the camera's push button. The wireless shutter release function also worked great during the holidays to hold one RF-603 while posing to take family photos, eliminating the need to run back and forth to reset the camera's timer function. I'm not a professional photographer and some of my family photos now have me with one of these RF-603 in hand, oops. Overall these units exceeded my expectations.

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  • By CBinAM

    March 20, 2017

    Excellent wireless flash trigger for the price. Since my interest was in learning/using off-camera flash, whether hand-held for more interesting light effects or remote placement to under-light or back-light a shot, I just needed a simple trigger. Any flash power adjustments I make manually before the shot. I'd have given five stars but the instructions were somewhat unclear and minimalistic. I spent quite awhile thinking the triggers didn't work and searching the web for solutions. The lights on them showed connection and the flash "should" have gone off...

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  • By Randy Lee

    March 9, 2017

    These things are awesome! Work perfectly with my Canon EOS 7D and the Neewer SpeedLight flashes that I use. I attach one on the bottom of both of my flash units, one on the hotshoe of my 7D camera (with the trigger cable attached that comes with the set) and use the fourth wireless trigger to fire my camera remotely for self portrait shots or even just shake free photos. Again these triggers are awesome. Easy to figure out how to use, the instruction booklet is very straight forward, most complicated part is open the battery cover and assigning the same "code" to all the triggers - but even this is very simple, just make sure the number sequence matches on how ever many triggers you intend to use. Simple really.

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  • By Dave Linger

    March 3, 2017

    Everything seems to work quite well. They use normal AAA batteries and use dip switches to change the channel. One LED represents the powered-on state, and the other represents when the flash is "ready" (shutter button down halfway for example). There are two minor problems, both with the physical design. First, EVEN WITH YONGNUO'S OWN FLASHES, the on/off switch is placed such that it cannot be switched once a flash is attached. It's blocked. They could have put the switch ANYWHERE else to allow me to switch the units off without disassembly. Second, there's no way to secure the shoe mount to the camera. It's pretty light and holds in there relatively well on its own, but it's hard to trust it. It slides right out with the slightest tug. This isn't a big deal using the transceivers on off-camera flashes, because off-camera flash mounts have clamps that hold onto the shoe mounts, but it's a minor thing that would have made it seem much sturdier. But other than those two minor physical annoyances, the actual FUNCTION of these units is perfect. I haven't had a single issue, and the "ready" light is great to visually tell that the flashes WILL fire when the shutter is released without actually doing so.

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  • By Kaion

    February 14, 2017

    After reading the positive reviews (on this site and others) I decided to make my purchase. I've used them on a couple of photo shoots (60D + triggering 2 YH560 and 1 430EX II) and I must say this product delivers! I'm an amateur budget minded photographer. These are budget priced, it doesn't mean low quality. Of course there are some flaws, for example: the channels are accessed though the battery casing and you'll need a small screwdriver to change the channels. In my opinion work around the flaws, its not about (with exception to glass and camera) what brand are in your arsenal, its about how you use your gear efficiently.

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  • By alxdm

    January 25, 2017

    I ordered these along with a YN560 III flash, turns out you only need one of them because the flash has a receiver integrated (which is great) and in theory you can use the extra transceiver as a shutter release remote... and here is the thing, for this feature to work you need a cable connected from the transceiver you place in the hotshoe to the shutter release port in your camera and in this package the cable provided does not fit my SL1 it only fits high end Canon cameras like the 7D... anyway, I'm yet to figure if I get the right cable would if actually work, which I think it will... Other than, and for its intended primary purpose the transceivers work great!

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  • By chphotovideo

    August 18, 2016

    Main reason I picked up the version 2 was because I started shooting with a Sony a7 and the versions 1 would not work on the camera, I read the 2 did work on the a7 so tried it out. They work like a charm! Best part is I can use the version 2 trigger on the camera and it will trigger any of the version 1's!! The on/off switch is now on the side of the trigger and easy to access. The lock wheel on the hotshoe is really nice addition. Not only is the lock wheel there, but it has nice grips on the wheel so you can actually turn it. Very pleased with this purchase.

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  • By RL Miller

    June 10, 2016

    I have 6 of these. 4 of the old style and now two of the new. They are reliable and compact and work with any camera when paired with the right cable. I mostly use them to trigger my camera but they can also be used to trigger strobes. I am glad to see the power switch has been moved to the side so you can reach it when something is mounted above the trigger. Now if they can make the battery doors not fall apart when dropped that would make this review 5 stars. I dropped one and broke the clip on the battery door the first day I got these new ones. Out of the 6 triggers I have, 4 of the battery doors are broken and I have to tape them on. Hey Yongnuo, fix that and these would be nearly perfect.

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