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Help with OCF Two Speed Lights
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Apr 10, 2017 15:17:36   #
coach17 Loc: Sun City Center, FL
 
Thanks to a previous topic which I was able to get help I am in need again

I have a Nikon D610 with a Nikon Flash SB-910 and also a Yungnuo YN-568EX (just received the Yongnuo today) On my d610 I have Commander Mode on. Nikon Flash Channel 1 Group A TTL For the Yongnuo I also have Group A Channel 1 TTL
First off should they both be on Group A or should one be group B

I had them both on Group A and it worked a couple of times. Although both are not always flashing. So what am I doing wrong? I appreciate all the help I can get.

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Apr 10, 2017 15:54:52   #
rwilson1942 Loc: Houston, TX
 
I don't know about the not flashing but you would only use two different channels if you want to independently control each flash.

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Apr 10, 2017 15:59:55   #
PaulR01 Loc: West Texas
 
Sounds like they are firing optically. I didn't see you mention a trigger in your first post. I doubt the body will communicate with the flashes wirelessly.

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Apr 10, 2017 16:50:41   #
coach17 Loc: Sun City Center, FL
 
rwilson1942 wrote:
I don't know about the not flashing but you would only use two different channels if you want to independently control each flash.


I am only using channel 1 so that is not an issue.

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Apr 10, 2017 16:53:53   #
coach17 Loc: Sun City Center, FL
 
PaulR01 wrote:
Sounds like they are firing optically. I didn't see you mention a trigger in your first post. I doubt the body will communicate with the flashes wirelessly.


I am not using a trigger. The Commander mode in camera controls both flashes. I have to have the built in camera flash up in order for the speed lights to go off. I am assuming both speed lights can be in group A My issue is why they are not always working.

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Apr 10, 2017 17:15:13   #
Shellback Loc: North of Cheyenne Bottoms Wetlands - Kansas
 
Make sure the infrared receiver screen on the flashes are facing the camera flash - the heads will rotate so you can keep the flash pointing where you need it...

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Apr 10, 2017 17:25:51   #
coach17 Loc: Sun City Center, FL
 
Shellback wrote:
Make sure the infrared receiver screen on the flashes are facing the camera flash - the heads will rotate so you can keep the flash pointing where you need it...


Ok Thanks for the info. Maybe that was my issue.

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Apr 10, 2017 17:44:46   #
speters Loc: Grangeville/Idaho
 
coach17 wrote:
Thanks to a previous topic which I was able to get help I am in need again

I have a Nikon D610 with a Nikon Flash SB-910 and also a Yungnuo YN-568EX (just received the Yongnuo today) On my d610 I have Commander Mode on. Nikon Flash Channel 1 Group A TTL For the Yongnuo I also have Group A Channel 1 TTL
First off should they both be on Group A or should one be group B

I had them both on Group A and it worked a couple of times. Although both are not always flashing. So what am I doing wrong? I appreciate all the help I can get.
Thanks to a previous topic which I was able to get... (show quote)

One should be group A and the other group B

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Apr 10, 2017 18:03:56   #
coach17 Loc: Sun City Center, FL
 
speters wrote:
One should be group A and the other group B


OK I am just getting started with this. So why is one group A and the other group B

I appreciate the help

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Apr 10, 2017 18:49:09   #
Shellback Loc: North of Cheyenne Bottoms Wetlands - Kansas
 
This will help you with groups - https://www.youtube.com/watch?v=iJTZG5yfAh4

With the 568 - you can have multiple units in the same group and they will all fire to the command set in the camera for that group (camera set group A at full power - all flash slave units in group A will fire full power). Other groups can be set to other power (camera set group B at 1/2 power - all flash slave units in group B will fire 1/2 power) - or all groups can be set to TTL and you adjust the exposure comp different for each group - depends on what you want.

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Apr 10, 2017 18:59:08   #
coach17 Loc: Sun City Center, FL
 
Shellback wrote:
This will help you with groups - https://www.youtube.com/watch?v=iJTZG5yfAh4

With the 568 - you can have multiple units in the same group and they will all fire to the command set in the camera for that group (camera set group A at full power - all flash slave units in group A will fire full power). Other groups can be set to other power (camera set group B at 1/2 power - all flash slave units in group B will fire 1/2 power) - or all groups can be set to TTL and you adjust the exposure comp different for each group - depends on what you want.
This will help you with groups - https://www.youtu... (show quote)


Great. That is very helpful.
While I am at it will this work with my setup YONGNUO YN622N-KIT Wireless i-TTL Flash Trigger Kit with LED Screen for Nikon including 1X YN622N-TX Controller and 1X YN622 N Transceiver

I am having isues with the flashes going off even though the flashes can see the signal.

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Apr 10, 2017 20:10:15   #
Rick36203 Loc: Northeast Alabama
 
coach17 wrote:
...While I am at it will this work with my setup YONGNUO YN622N-KIT Wireless i-TTL Flash Trigger Kit with LED Screen for Nikon including 1X YN622N-TX Controller and 1X YN622 N Transceiver. I am having isues with the flashes going off even though the flashes can see the signal.


You did not say which flash is not firing as a optical remote. The optical sensor for the Yongnuo is on the front of the unit under the red cover. The sensor for the SB-910 is on the battery side of the flash. The flashes can be controlled separately by placing them in different groups. Be sure the sensors see the "Command" flash.

If you buy the Yongnuo 622 series system, you will need two yn-622n transceivers (one for every off-camera flash), and one yn-622n-tx controller for the camera's hot shoe. Using this radio system you set all flash units to regular i-TTL (just as if they were to be used on-camera), and then you set the channel and group on each yn-622n. This system does not need line of sight. Use normal i-TTL with the 622s even if you want to make remote "manual" adjustments.

Since you've had your Nikon flash awhile, I'm sure you are familiar with the settings. The following shows the correct display for using the yn-568ex as a radio remote and as a optical remote.

YN-568ex sample screens
YN-568ex sample screens...
(Download)

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Apr 10, 2017 20:17:54   #
coach17 Loc: Sun City Center, FL
 
Rick36203 wrote:
You did not say which flash is not firing as a optical remote. The optical sensor for the Yongnuo is on the front of the unit under the red cover. The sensor for the SB-910 is on the battery side of the flash. The flashes can be controlled separately by placing them in different groups. Be sure the sensors see the "Command" flash.

If you buy the Yongnuo 622 series system, you will need two yn-622n transceivers (one for every off-camera flash), and one yn-622n-tx controller for the camera's hot shoe. Using this radio system you set all flash units to regular i-TTL (just as if they were to be used on-camera), and then you set the channel and group on each yn-622n. This system does not need line of sight. Use normal i-TTL with the 622s even if you want to make remote "manual" adjustments.

Since you've had your Nikon flash awhile, I'm sure you are familiar with the settings. The following shows the correct display for using the yn-568ex as a radio remote and as a optical remote.
You did not say which flash is not firing as a opt... (show quote)


Thanks so much for your help, I appreciate it.

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Apr 10, 2017 20:24:38   #
coach17 Loc: Sun City Center, FL
 
Actually at times neither one is going off. Having a hard time figuring that out. It is sparatic.

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Apr 10, 2017 21:09:32   #
Rick36203 Loc: Northeast Alabama
 
coach17 wrote:
Actually at times neither one is going off. Having a hard time figuring that out. It is sparatic.


If I wanted to use optical (which I seldom do), and I had sporadic problems, I would probably:

1.) Double check all settings on the remotes and the Commander (channel, grp, mode, power, zoom).
2.) Make sure both flash units have nicely charged batteries.
3.) Test one flash at a time with the commander, starting close and working away.
4.) Make sure the flash units are given adequate recycle time between shots.
5.) Be aware of anything that might interfere with line of sight (camera angle change, model movement, other bright lights, sunlight)

As you use OCF more and more, I think you will probably migrate to radio. It's just so much more versatile, and not nearly as expensive as it was not too many years ago.

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