This RF-603C II Remote Flash Trigger Kit from Yongnuo features two 16 channel, 2.4 GHz transceivers as well as a shutter release cable for remote triggering of Canon cameras with a 3-Pin connection. Each transceiver has a male camera shoe on the bottom as well as a female hot shoe on top for triggering a flash unit. The system has a wireless range of 328' and can sync at speeds up to 1/320 second. Additionally, it has a dual-function shutter release with half-press and full-press capabilities.

The transceivers can be placed in either single transmit or transceiver modes depending on your needs and can wake up flash units and cameras. Also, it has 2.5mm and PC sync ports for using additional cables in order to connect studio flashes or to different cameras. This kit comes with a shutter release cable for the 3-Pin connection. Also, each trigger runs on 2 AAA batteries.

Frequency: 2.4 GHz    Range: 328'    Channels: 16    Flash Sync Speed up to 1/320 sec    Dual-Function Shutter Release    Can Set Transmit and Transceiver States    Hot Shoe Mount    PC Sync and 2.5mm Ports    Shutter Release Cable Included    Each Trigger Runs on 2 AAA Batteries

Canon EOS: 10D, 20D, 30D, 40D, 50D, 5D, 5D Mark II, 5D Mark III, 6D, 7D, 7D Mark II, 1D, 1D Mark II, 1D Mark II N, 1D Mark III, 1D Mark IV, 1Ds, 1Ds Mark II, 1Ds Mark III, 1D X and 1D C

Related Questions and Answers

Q: 1. Would it work with a 7D Canon?

A: This remote can work with the Canon EOS 7D by adding the Vello 2.5mm Remote Shutter Release Cable for Canon 3-Pin Cameras, BH #VERCCC225. https://bhpho.to/2DUANER

Q: 2. Will this still work or still trigger the first version which is Yongnuo RF-603 N?

A: Yes

Q: 3. Will this work on a Leica M10 to trigger a YN560 set in manual mode?

A: Technically this should work with the Leica M10 and a manual flash. The radio sync has a standard hot-shoe so it will fit the flash and the camera’s shoe. Note, it has not been tested specific with that camera and flash combined.

Q: 4. How can I connect the Yungnuo to the 3.5mm female port on a strobe (Impact EX-100A)?

A: the RF603c has a pc fitting. consider using Impact Sync Cord Male Mini (3.5mm) to Male PC (1') or similar cable.

Q: 5. Will these work with canon 6D mark II?

A: Yes work ok

Q: 6. Would this be a good trigger for Canon 70D and 60D?

A: It a good reliable trigger. Keep in mind it dosent have ttl so you will have to go to the flash if you want to make any ajustments.

Q: 7. I have a Canon 5D MarkIII, Yongnuo Wireless Transmitter and Canon 680EX-RT flash which all work perfectly together. Set-up I need to work:Trigger the camera shutter release wirelessly standing away from the camera on tripod, while at the same time having the Canon flash off-camera on a stand. Will these triggers work to 1. Be a shutter release wirelessly and trigger the off-camera flash?

A: It works perfectly fine as a trigger.

Q: 8. I am using the Yongnuo RF-603C II Wireless Flash Trigger Kit with my Canon 5d Mark iii as a shutter release/flash trigger. I have one unit in the camera's hot shoe with the sync cord running from it to the three pin shutter release connector on the camera. The second unit is attached to my Canon 600EX-RT speedlight. This works as expected, however, I cannot call up anything on my LCD while the Yongnuo is connected. No menus, no previews, nothing. Does anyone have any idea what causes this and how to fix it? THX

A: That is normal with the RF-603CII

Q: 9. Can I use this with canon speedlite 270 ex ii

A: Yes you can

Q: 10. Canon 50D with YN560 tx ii and YN 603c ii. Cannot get it to fire my 580ex. Is it compatible? What am I missing? works fine with YN600 flash

A: Please check Compatible Cameras on the bottom of the page for this item. Does it fires off your Canon 580Ex when you hold the transmitter in your your hand? Please call us if you still have a problem after checking all your settings on your 580ex flash.