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YongNuo radio triggers

Low cost radio triggers for flash and camera
by Gisle Hannemyr
Published: 2011-03-07.

This article discusses YongNuo radio triggers for flash and digital cameras. These triggers are among the most popular at the lower end of the radio trigger marketplace. The YongNuo triggers are produced in China and are sometimes referred to as Poverty Wizards or FleaBayTriggers.

For an introduction to wireless triggers, you may also want to read our general articles about radio triggers and optical triggers.


In my opinion, TTL power control is great for a single on-camera flash, but when you start using several off-camera remote flash units, leaving control to the camera system does not always work well. I tend to use manual flash when I have several lights off-camera, so plain radio triggers is what I actually prefer to use.

YongNuo has received a lot of praise for the RF-602. It was the first really reliable low-cost radio trigger. In March 2011, they introduced its successor, RF-603. This is a modest update on the original model. Below is a my review of both.

Common characteristics

Both YongNuo models use the 2.4 GHz band for signalling. This band is unregulated ISM-band worldwide, so you don't have to keep a separate set if you travel between Europe and the USA.

If you are a Canon-user, it is also nice to know that the 2.4 GHz band is not affected by 344 MHz radio noise emitted by certain Canon Speedlites.

Note that these units should not be connected to a flash with a trigger voltage above 12 volts. All modern dedicated flash units designed for use with digital camera are well below this limit, but older flashes may have trigger voltages as high as 380 volts and may fry modern electronic equipment.

Both units are manual triggers, and does not support TTL. They are unusual as far as manual triggers go, because they come in two different versions, one with the hot-shoe that fits Nikon, and another one that for fits Canon. The main reason for having two different versions is to be able to “wake up” dedicated system flashes. A flash unit usually “goes to sleep” (standby) if it is left idle. The standby feature helps you save power and preserve batteries. The YongNuo triggers are supposed to “wake up” a compatible flash in standby-mode when you half-pressing the camera's shutter button.

The mechanical construction is solid. The only negative aspect is that there is no locking collar or locking pin on either model. When you mount the transmitter or transceiver on the camera, it is only held in place by friction. The shoes are reasonable tight, but I always like to lock the equipment down.

Both models feature 16 selectable channels, to reduce the risk of interference from other triggers in a crowded environment. Units must be set to the same channel to be able to communicate. The channels are selected by tiny dip-switches that have a rather awkward placement and are difficult to operate without a tool such as a tiny screwdriver.

YongNuo RF-603

The YongNuo RF-603 from YongNuoPhotoEquipment is probably one of the best low cost radio triggers currently available. It typically sells on eBay for USD 37 for a basic kit. (Search eBay for this item).

The RF-603 is the successor to the popular RF-602, and shares a number of characteristics with its predecessor, but also some improvements.

Tranceiver pair.
YongNuo RF-603N (for Nikon) transceiver pair. Photo: YongNuo.

The main difference, compared to the YongNuo RF-602, is that there is no longer a separate transmitter and receiver. Any unit may act as either transmitter or receiver, and roles are assigned automatically by by the unit by sensing whether it is connected to a camera or a flash when the photographer pushes the round button on top of the unit.

The hot-shoe on top of the unit is the same for both models (see image above). In addition to the edge contact (ground) it has six round contacts. The centre contact is of course the x-sync trigger. The four in front is of the centre contact matches the extra pins of a Canon hot-foot, the three closest to the centre contact matches the extra pins of a Nikon hot-foot.

Since the transceiver has a hot-shoe on top, you can install another radio transmitter, or, in theory, a flash, on top of the camera mounted transceiver. However a typical Speedlight such as the Nikon SB-900 is quite heavy. The omission of a locking collar means that if you move around with such a combo on top of the camera, you hazard that it will slide out of the hot-shoe and fall crash to the ground. So I do not recommend that you do this. The hot-shoe is useful for mounting a radio trigger from a legacy system (e.g. YongNuo RF-602) to combine the two systems, but it is in my opinion to risky to put a flash there without being able to lock the unit in the camera's hot-shoe.

Underneath the transceiver is a Canon or Nikon hot-foot in a metal-mount. There is not a tripod mount.

The tiny dip-switches to set channel is located inside the battery compartment – ergonomics is obviously not a high priority in the YongNuo design department.

Unlike the Phottix Strato II (that also features a hot-shoe) this hot-shoe does not pass through enough of the signal to let you use a dedicated flash with TTL-control. However, you can use it to trigger a camera-mounted flash in manual mode.

The RF-603 comes in two basic flavours, RF-603C (for Canon) and RF-603N (for Nikon), each with a dedicated hot-foot underneath for the corresponding system. The dedicated foot means that you need to get the correct transceiver for the brand to want to use it with. In particular, a transceiver put on the “wrong” brand will not detect the camera and will therefore not understand that it is supposed to transmit. The Canon and Nikon versions are compatible, so a RF-603N transceiver mounted on a Nikon camera will communicate fine with a RF-603C transceiver hooked up to a Canon flash unit.

The proprietary socket on the RF-602 has been replaced with a screw-lock pc-socket for the flash triggering signal, and a 2.5 mm stereo jack socket for the shutter release cable. There exists different shutter release cables for different camera models.

Another big improvement is that the new transceiver units runs on two standard AAA 1.5 volt batteries. The expensive disposable CR2 lithium battery used in the RF-602 transmitter is gone.

The basic kit consists of transceiver pair, and also includes two cables: One cable with a 1/4" (6.35 mm) mono jack-plug for connecting studio strobes, and one cable that can be used to trigger the shutter of a compatible camera by radio. A 1/4" to 3.5 mm mono-plug adapter included in the basic kit.

Unlike the RF-602, the RF-603 has a special channel to be used exclusively for camera triggering. The timing of this channel is separate from the timing of the channels use to trigger remote flash units, because the camera and remote flash units need to be triggered at slightly different times (the camera's shutter does not operate as quickly as the flash. RF-603 require only 3 units to perform both functions: One in hand to start the process, one on camera to trigger its shutter, and one under the remote flash unit to trigger the flash.

This illustration (taken from the manual) shows opp to use separate channels to trigger the camera's shutter release and off-camera flashes. Youngnuo refers to this in the manual as “function extend”.

  1. Install one of transceiver in the hot-shoe of the camera. Also connect the tranceiver to the camera's shutter release socket with the shutter release cable.
  2. Install an off-camera flash unit in the hot shoe of another transceiver, and/or connect an off-camera studio flash to another tranceiver with the approproiate sync cable.
  3. To trigger the both the camera's shutter release and the off-camera flash units. handhold one of transceiver and use ut as a remote control transmitter. Press the shutter release button halfway on the handheld transceiver to focus. Press the shutter release button on the handheld tranceivercompletely to trigger both the camera's shutter release and the off-camera flash units via separate channels.
Function extend.
Using “function extend” with the RF-603. Illustration: YongNuo.

On the downside, the separation of channels means that you can no longer trigger a remote flash by means of a handheld unit. Pushing the round button on top of the unit will only trigger the shutter channel, not any of the flash channels. (The off-camera flash channel is triggered by the camera-mounted tranceiver.)

The YongNuo RF-603 appears to be very reliable as long as you use good batteries. As long as we had line of sight between the units, we experienced no problems with reliability within the claimed range is 100 meters.

Both Canon and Nikon flashes (except the Nikon SB-600) are reported to benefit from automatic wake up from sleep mode on a shutter half-press. The RF-603C is wirelessly compatible with the RF-603N, allowing Canon cameras to wake up and trigger Nikon flashes and vice versa.

The bad news is that the RF-603 units are not compatible with the older RF-602 units. However, by putting a RF-602 transmitter in the hot-shoe of the RF-603 transceiver, you will be able to wirelessly trigger remote units hooked up to either type.

On the subject of compatibility: It is possible to modify the RF-603 to work as a transmitter with any camera, not only the camera system it is designed to work with. This DIY modification entails fitting the unit with a mechanical switch to toggle between transmitter and receiver modes. See NikonRumors for details.

YongNuo RF-602

YongNuo RF-602RX and RF-602TX. Photo: YongNuo

The YongNuo RF-602, introduced in 2009, was the first really reliable low cost Chinese radio trigger. It has been replaced by the RF-603, but is still available on eBay for USD 30 for a basic kit. (Search eBay for this item). Since it the channels are not compatible with the RF-603, it may good idea for photographers invested in the RF-602 model to stock up with extra units while stock lasts.

A basic kit consists of one transmitter, one receiver, batteries, and two cables: One cable with a 1/4" mono-plug for studio flashes, and one cable that can be used to trigger the shutter of a compatible camera by radio. There is also a 1/4" to 3.5 mm mono-plug adapter included in the basic kit.

It is unusual as far as plain triggers go, because it comes in two different versions, one for Nikon, Fuji and Kodak DSLRs, and another for Canon, Pentax and Samsung.

The main reason for this is that it is supposed to support the “wake up” functions of dedicated system flashes. A flash unit usually “goes to sleep” (standby) if it is left idle. The standby feature helps you save power and preserve batteries. You're supposed to be able to “wake up” a compatible flash in standby-mode with the RF-602 by half-pressing the test button on the transmitter.

The wake-up function does not work with all flash units.

  • For the Nikon version, it is reported to work with all the legacy (pre i-TTL), while the Speedlight SB-800 is the only i-TTL compatible flash it is able to wake up. As for the SB-900, it simply will not go into standby when mounted in the RF-602 RX hot-shoe.
  • It will not wake up the Sunpak PZ42X. To disable the sleep mode on the Sunpak PZ42X, hold down the mode and select (SEL) buttons as you power up.

The transmitter uses one CR2 3 volt disposable lithium battery (included) The receiver uses two standard AAA 1.5V alkaline batteries (included).

I've tested the Nikon model with the following Nikon flash units: SB-28, SB-600, SB-800, and SB-900 as well as the Nikon version of the third party Nissin Di866, and have experienced perfect reliability. I've not myself tested the unit with the Metz 45-series hammerhead flash units, but have been told this combination does not work, even with low voltage models of the Metz. I know of no other issues.

The transmitter RF-602TX has a metal hot-foot that matches the camera's hot-shoe. It has no locking collar, but the unit is light weight and friction is sufficient to hold it in place. Unlike the RF-603 transceiver, there is no hot-shoe on top, so you can't mount anything on top.

Underneath the transmitter there is four dip-switches for the 16-channel selector. There is a test/shutter release push button that has two steps, half-press and full-press. The battery door is is located at the back of the transmitter gives access to the CR2-battery. There is also a pc-socket of the screw-lock type. The transmitter has no on/off-switch. Normally, the transmitter uses no power when it is not in use, but it is possible for the its battery to run flat if something presses the Test button when it is stored in your camera bag.

The receiver RF-602RX has a metal hot-shoe on top. On the back of the receiver is there a proprietary port for connecting the included cables for camera and flash triggering. At the bottom of the receiver is a plastic cold-foot which has a standard 1/4" metal tripod mount and allows mounting the receiver on a flash stand or tripod. There is a sliding-type battery cover. The on/off-witch and four dip-switches for 16-channel selector are on the top of the receiver. Unfortunately these are not easily accessible with a flash mounted.

When you receive the units, the dip-switches to set the channel is behind a thin sheet of orange plastic. This plastic must be removed before you can change the switch setting. It is very thin. Use your fingernail or a toothpick to peel it off.

The switches are tiny, so a toothpick is also handy for setting channels. You will normally set the TX and the RX to the same channel in the range 0 to 14. If you set channel 15 (all switches in the “up” position) on the TX, it transmits on all channels 0 to 14 simultaneously, and the receiver will trigger no matter what channel it is set to.

You can use the RF-602 to trigger both flash and camera, but this requires two pairs of TX and RX units. The first pair should be used to trigger the camera (one unit in hand and the other attached to the cameras shutter trigger port). The second pair must be set to a different channel, with a TX in the camera's hot-shoe and RX attached to the flash.

YongNuo make different shutter release cables

The YongNuo RF-602 appears to be very reliable as long as you use good batteries. The best range is obtained by mounting the receiver with its long side facing the transmitter. In open space, this gives a maximum range about 100 meters.

I measured the trigger voltage of the RF-602 transmitter to 2.9 volts, so it is safe with all modern cameras.

In the manual, YongNuo says this about the sync speed:

When use the special flashgun of Canon or Nikon, the Shutter Synchronisa­tion Speed reach to 1/250S. (p. 2) […] [When using the pc interface] the synchronisation time is reduced (p. 13).

So, according to the manual if you use it with the TX in the camera's hot-shoe, and uses the RX to trigger a dedicated flash unit of the appropriate brand, the the maximum sync speed is 1/250 second. If you use it to trigger any other type of flash, or you connect the TX to the camera with a pc-cable, sync speed will be lower.

My tests did not confirm this. Testing with a Nikon D700 and a dedicated Nikon SB-900 Speedlight, at 1/250 second I just had a tiny hint of the shutter obscuring the frame. Testing with Nissin Di866 dedicated to Nikon at 1/250 second resulted in a visible shutter covering about 1/16 of a frame. At 1/200 second both the Nikon SB-900 and the Nissin Di866 produced clean frames without any shutter in sight. However, when I used it to trigger an 1970ies vintage Vivitar 283, it synched fine at 1/250 second! Connecting the TX to the body by means of a pc-cable did bring down the sync time to 1/200 second. At 1/250 second, with a pc-cable, about 1/6 of the frame was obscured by the shutter.

I consider these units very good value for USD 29 for a pair. The fact that it can do double duty as radio controlled shutter release is a nice bonus.

Shutter release cables

As noted above, the YongNuo RF-602 and RF-603 can also be used as radio-controlled a wireless shutter release for certain cameras. The image below shows some of the types of cable available for the RF-602.

Camera cables.
YongNou RF-602RX with camera cables. Photo: YongNuo.

The table below lists all available cables and what camera each cable is compatible with:

CableCompatible camera
C1Canon DSLR: 60D 600D/T3i/X5 550D/T2i/X4 500D/T1i/X3 450D/XSi/X2 400D/XTi/X 350D/XS 1100D/T3 1000D/XS
Canon Powershot: G10 G11
C3Canon DSLR: 1D-series 5D-series 7D 50D 40D 30D 20D 10D
N1Nikon DSLR: D3-series D2-series D700 D300/D300s D200
Fujifilm: S3 S5
Nikon SLR: F6 F5 F100 F90/F90x/N90/N90x
N2Nikon DSLR: D80 D70/D70s
N3Nikon DSLR: D7000 D90 D5100 D5000 D3100
S1Sony: a900 a700 a550 a500 a450 a350 a300 a200 a100.
Konica-Minolta: 7D 5D
DiMAGE: 9 7HL 7U 7 5 4X 3
O1Olympus: E-400 E-410 E-420 E-450 E-510 E-520 E-620 E-30 E-P1 E-P2 E-PL1 SP-510 SP-550 SP-560 SP-565 SP-570 SP-590
O2Olympus: E-1 E-3 E-10 E-20 E-300 E-100RS C2500L

The cable identifiers (C1, N1, etc.) are the same for RF-602 and RF-603 cables, but the end that goes into the receiver is different (proprietary 3-pin plug for the RF-602, Stereo jack 2.5 mm for the RF-603.

The N2, S1, O1 and O2 cables are only available for the RF-602.

User reports about YongNuo radio triggers:
YongNuo RF-602 Wireless Remote Review, by Dennis Dixon
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41 responses:

Canon TTL passthrough on RF-603

My testing has shown that the RF-603 does pass TTL information to a flash mounted on the camera unit, just not all the TTL information.

Strangely enough my units have proper Canon hotshoes, with four connectors on the side closest to the back of the camera, on the bottom of the units. But they have Nikon hotshoes, with two connectors to the rear and one to the front of the center connector, on the top of the tranceiver??? This means that only the two connections closest to the center trigger terminal is made on the flash. Those two connections are enough for the metering and to make the flash output the correct amount of light, but it does not allow for the operation of the zoom head.

My testing was done with a Sigma EF-530 ST flash, a flash that will only trigger when it receives TTL signals.

RF-602 with SB-900 standby/wakeup mod

I found a way to make the RF-602 wakeup the SB-900 by means of a very simple mod!

Check this out for the details:

YongNuo RF-603 with Canon 580 Ex II

I am planning to buy the YongNuo RF-603 for my Canon 580 Ex II and Canon 550D. Will the YongNuo RF-603 work?

I'm also told not to use the YongNuo RF-603 triggers with flashes or strobes of trigger voltage over 12V. Kindly tell me the trigger voltage of the 580 Ex II.



I am not aware of any compatibility problems with the Canon 580EX II and the YongNuo RF-603. The combination should work fine!

The trigger voltage of Canon 580EX II is less than 6 volt and should not give you any problems with the YongNuo RF-603.

YongNuo RF-602 and Metz 45

The issue with this combination, is that the PC-cord for Metz 45 has a male pc-connector, and the PC-cord to the RF-602 has the same male pc-connector.

Metz 45 with a cord with usual flash foot, like the SCA-343 for Nikon, works great with the flash shoe on the RF-602.


The simplest way to use the YongNuo RF-602 or RF-603 with any flash, including the Nissin Di622 mark II, is to put the transmitter in the hot-shoe of the camera (in your case the Canon EOS 550D), and the flash in the hot-shoe of the receiver. No cables are required. Note that these triggers only allows manual operation of the flash. They do not support E-TTL II.

However, since the unit can also be used to trigger the camera's shutter release wirelessly, make sure you buy a unit designated for your camera model. Then it comes with the right cable type (for the Canon EOS 550D this is C1) to connect to the camera's shutter release socket.

High Speed Sync

I've got a Canon 5d MkII and a Metz 48 AF-1. Can I use those Yonguo triggers to fire flash in high synch mode?

If not, what triggers should I buy?


No, the YongNuo RF-602 and RF-603 are basic manual trigger and doesn't support advanced dedicated functions such as HSS.

A fairly inexpensive radiotrigger that supports HSS is the Pixel Knight. HSS is also supported by more expensive TTL triggers. See this survey for an overview.

Nissin DI 622

Hi, i just got my 2 Trigger YN RF603C for my Canon 5d mk2 to be used with Nissin Di 622 (first version). I've tried many times in different ways but it doesn't work.

When i press the shutter on my camera the led on the receiver on the bottom of the flash change color so it mean that it's working but the flash doesn't make any light.

I've also try to use it as a remote control and everything works! Flash by itself or on camera also works normally.

How can I fix this problem?


as far as I know, the first version of the Nissin Di622 is not compatible with hot-shoe triggers that do not relay all TTL signals to the flash.

YongNuo RF-603 for Canon have a Canon-compatible hot-shoe, but unfortunately, it does not relay all the TTL signals to the flash, and is therefore not compatible with the Nissin Di622.

Also see the note about the Nissin Di622 on our page about flash incompatibility.

Problems with RF-603N

Can someone help me…
I understand that there should be two green lights that come on when the RF-603N's are turned on. I've turned on the flash (SB-900) which is in manual mode and the camera plus both triggers and only one light on each RF 603N's comes on and the flash doesn't go off when the shutter is pressed down. Both are set to channel same channel (two)…

Not sure what else to check.

RF-603N standby problem

Hi folks,
I have Nikon D60, Nissin Di622 mark II and YongNuo RF602N radio triggers and every time when my camera goes into standby mode my flash fire!

This is happening when i use flash with radio triggers in MANUAL mode. There is Auto off mode on my D60 and it is set to LONG (about 10s) before camera go to standby. There is no options to switch it off, just custom setting for longer time…

Why is this happening?

Nissin Di866 mark II and YongNuo RF-603

I bought a YongNuo RF-603 for my Canon EOS 1000D and to be used for Nissin Di866 mark II. When pressing the camera shutter the led on the receiver on the bottom of the flash change color so it mean that it's working but the flash doesn't make any light, are there specific settings that needs to be done on the camera/flash?


@lance m.
When trigging the Nissin Di866 mark II with a plain radio trigger such as the YongNuo RF-603, it is important that the flash is not set to any of its slave modes or to the TTL mode or green A mode.

Just set it to its ordinary manual mode (M), or to the Av mode (both in the brown menu).


great help!
thanks so much! :-) 

Connecting RF-603's to a Konica Minolta 7D

I've purchased a Yongnuo 560 II flash, and want to trigger it wirelessly, thus purchased some RF-603C's, along with a hotshoe converter.

The flash fires when on the camera [well, ontop of the hot shoe adapter], but when I put just the trigger on the camera body, and the receiver on the flash [so the camera and flash are now seperate], it doesn't work. The second green light on the RF-603's doesn't light up for some reason.

I've purchased another hot shoe adapter, which states it can handle triggers. Hopefully this works… but would appreciate any other advice you have.


RF-603c on a Nikon

Sorry, I've just re-read the review and you have answered my question already, thanks.

Nikon d90 + vivitar 285hv

Hi, I wanted to know if I put all together the flash and the trigger through the hot shoe will fry or not my camera. Thanks!!!

Vivitar 285HV with YoungNuo RF-603N

Unlike the old Vivitars, the The Vivitar 285HV has a “safe” (about 9 volts) trigger voltage and will not fry the Nikon D90 camera or the YoungNuo RF-603N trigger.

canon 350D/400D+nissin di622 II+ rf603

Hi, I wanted to know if I put all together the flash and the trigger through the hot shoe will fry or not my camera. Thanks!!!


both the Nissin Di622 II and the YongNuo RF-603 is safe with all digital cameras, including the Canon EOS 350D and EOS 400D. This is also the case if they're used together.

Canon 580EXII with YongNuo RF-602 or RF-603

Hi Gisle,
I am new to flash photography. I am planning to buy a YongNuo RF-602 radio trigger (since it is cheap and good enough investment) for my canon 580EX II. I know that it supports only manual, but can you tell me if any triggers support E-TTL II too?

Radio triggers that support E-TTL II control

our radio trigger overview gives a fairly comprehensive overview over different types of radio triggers.

There is actually two types of triggers that support E-TTL II: Canon's own dededicated radio based remote flash, which has just been introduced; and third party dedicated TTL radio triggers which has been around for some time.

Click on the links above to read more about the products and their pricing.

RF-603c transciever RF-602rx interoperability

Is there any workaround to make the 602rx useable with a 603 set?

I'm asking because I tried to use a 602TX with a pc-synco cord to shoot a studio flash and it ended up dead, now I got a new 603 couple and I have a working 602rx laying around.

Does it worth to try fixing the 602tx (just asking 'cause I don't think so)?

Repairing a fried YongNuo RF-602

AFAIK, there no way to trigger a RF-602 RX by means of a RF-603 TX. These two models are simply not compatible.

As for repairing a broken RF-602 TX, it depends on of adept you are with a soldering iron. If overvoltage is what killed it, you may get it working again by just replacing the output transistor. There is thread in the Flickr strobist group about doing that. The recommended solution is to replace the output transistor with a P0102BL thyristor. The replacement part is less than a dollar.

RF-603C vs. RF-603N

What's the difference between RF-603C and RF-603N? It seems the only difference is the cable.

Thank you.

Canon Rebel XS

Will the transmitter work wirelessly with the Canon Rebel XS or does it only work when connected with a cable? Thank you!

Using YongNuo to trigger Canon Rebel XS

to fire the Canon Rebel XS (aka EOS 1000D and Kiss F) wirelessly with this YongNyo radio trigger, you need to connect the receiver to the camera's cable release socket (use cable C1). You can then fire the camera wirelessly by pressing the button on a hand-held transmitter.

Using only the transmitter (no receiver) will not fire any camera.

Special Channel on RF-603?

You mention a special channel on the RF-603. The manual makes no mention of this channel. If I trigger the shutter with the RF-603, will it also fire a manual flash (such as Vivitar 285) on top of the receiver on the camera?

Yongnuo RF-603 shutter channel

how to use the special channel to trigger the shutter release is described in the user manual under the rather obscure heading “Function extend”.

You can't use this feature to fire both the camera's shutter release and a flash in the camera's hot-shoe. Its function is to separate the radio signal that fires the camera's shutter release from the remote signal that fires off-camera flash units.

I've also added a section to review that shows the required setup to trigger both the camera's shutter release and off-camera flashes. I hope this section makes the use of this special channel for the shutter release clearer.

YN 603 N2 compatibility with D60.

Is YN 603 N2 compatible with Nikon D60?


Yongnuo RF-602 and RF-603 is not infrared shutter releases. For one of these radio remotes to be used as a shutter release, the camera body must have an electronic shutter release socket. Nikon entry level bodies, including the Nikon D60, does not have this socket. This means that you cannot use any of the Yongnuo radio remotes as a remote readio shutter release with these bodies.

While they cannot be used as remote readio shutter releases with Nikon entry level bodies, both will work fine as manual radio flash triggers with the same bodies.

Yongnuo RF-603N and Yongnuo RF-603 C3

Hi, i switch my camera from Nikon to Canon markII, and now i want to use my nikon flashes and my RF-603N.

Ii it possible ti sync RF-603C3 (for canon) with my old RF-603N ?

Or what best way use my old nikon flashes.


Yongnuo RF-603N and Yongnuo TTL Remote Cord

I have a d600 and a leica m-e. the leica doesn't trigger the 603. can i put a yongnuo ttl cord on the leica m-e and then plug a 603 to the hot shoe of the ttl cord so i can trigger the strobes with the leica?

Mod for NEX-5n and RF-603N

I'm looking for a radio remote to trigger the shutter of my NEX-5n. The camera shutter release can be modified by soldering two wires and creating a notch in the case to pass the wires outside. These could be soldered to a female 2.5 mm stereo socket.

The RF-603N, connected via a shutter release cable, should then trip the shutter. Correct? Or will the RF-603N require the switch modification described at Nikon Rumors? Many thanks.

Yongnuo RF-603 problem

I have a Yongnuo RF-603. The Speedlight flash, but on my Nikon D80 in M Mode, 3/4 of picture half, and the other 1/4 black (blank) picture.

I've ordered a RF 603 N2 for my D80 sync cord. Will this fix my problem.

Please reply.


The RF-602 does not work with my Nikon F5. Meaning, it will trigger the flash but it does not syn with the current. I tried sync speeds from 1/250th to 1/10th and all images / sync speeds have a black band across 1/3rd of the image. This is odd as to why it would not be backward compatible. Has anyone else run into this? Is there a solution?


Hi, i want to switch my camera from Nikon d3100 to Nikon d7100,

It is possible to sync RF-603NII with my old RF-603N ?

RF-603 as a synchronized shutter release

I wonder if I could use one rf-603 receiver connected to a remote camera (let's call it camera A), and a transmitter connected to another camara (let's call it B) so that when I am shooting with camera B, the camera A shoots as well...



Hi, i mount RF603N II on camera and it won't work - do you have a solution?

please watch the video


Hiya I have a nikon d3100 and sb-400 flash I bought the Yongnuo rf 602 n and I can't get it to work :( what am I doing wrong

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