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Might be a daft question but for firing my studio lights (portaflash, 2.5mm phono) with the RF602 / RF603 triggers do I need to use the front PC connector or can I use the side 2.5mm phono jack ?
Comment by testbloke posted on Wireless trigger for studio lights at 13/04/2011 - 10:53
My poartner shoots Canon and has the RF602, I will get them from him and test it to see.
Comment by testbloke posted on Wireless trigger for studio lights at 12/04/2011 - 11:45
Algernon wrote:
The extra wire is probably to wake up the flash from sleep mode.
On the RF-602 Nikon version a wakeup wire has to be isolated before it will work on a Pentax.
I've never had that problem with my RF-602 which is Canon compatible so possibly it doesn't do anything or hasn't got one.
I'm really annoyed that the 603 and 602 aren't compatible. The previous models were backwards compatible.
Algi, is the RF602 receiver not compatible with a RF603 used as a transmitter ? Meaning only the transmitter would need replacing ?The extra wire is probably to wake up the flash from sleep mode.
On the RF-602 Nikon version a wakeup wire has to be isolated before it will work on a Pentax.
I've never had that problem with my RF-602 which is Canon compatible so possibly it doesn't do anything or hasn't got one.
I'm really annoyed that the 603 and 602 aren't compatible. The previous models were backwards compatible.
Comment by testbloke posted on Wireless trigger for studio lights at 12/04/2011 - 11:36
Algernon wrote:
LOL, you are correct, don't know what I was thinking about ...testbloke wrote:
Really ? was going to try it but did not want to risk my body. The trigger has five contacts, not opened it to check if they are wired but find it strange they would include them if they were not wired. Remember these are remote shutter release as well, although that won't be too much of an issue as the supplied cable is again canon fit (2.5mm jack, not PC).
You've got that wrong The Pentax remote release on cameras that have one is the same as the Canon. You can even use the Canon remote. They are all the 2.5mm jackplug. You don't even put the RF-602 (603 possibly same) in the hotshoe, just dangle it from the 2.5 jackplug lead. That lets you use the hotshoe for another flash trigger, even a different make.Really ? was going to try it but did not want to risk my body. The trigger has five contacts, not opened it to check if they are wired but find it strange they would include them if they were not wired. Remember these are remote shutter release as well, although that won't be too much of an issue as the supplied cable is again canon fit (2.5mm jack, not PC).
I have now got wiring diagrams for Pentax and Canon hotshoe's, the centre pin and overall size of the hotshoe is an ISO standard, the auxiliary pins are maker specified. When I opened the trigger, there are only three hotshoe pins wired, ground (common), centre pin (ISO standard for trigger, short to ground method) and one further wire which is "D2" on canon, don't know exactly what this is but it is driven by the camera and triggers a few micro seconds before the flash sync, approx 5 volt signal. Basically, the worry is that somehow this pin makes contact on the Pentax hotshoe (remember the trigger is not locked on the hotshoe) and causes some damage. Basically, we don't need it so lets just get rid of it for safety. You could tape over the contact on the trigger or on the camera hotshoe but I chose to keep it tidy and simply removed the wire from each trigger / receiver. I have taken some pictures of this and will post these later, once I have had a chance to do some sync testing. I can also test the RF603 with a RF602 receiver to see if it works ...
Comment by testbloke posted on Wireless trigger for studio lights at 12/04/2011 - 09:14
Algernon wrote:
It should work as a remote OK. My RF-602's were marked as suitable for Canon and Pentax, so it may still work on flash. Test it it and see. Let us know what sync speed you get if it works.
Yongnuo seem to losing the plot a bit.
Sorry, missed this post. Now feeling brave enough to give it a go on my Kx body ...It should work as a remote OK. My RF-602's were marked as suitable for Canon and Pentax, so it may still work on flash. Test it it and see. Let us know what sync speed you get if it works.
Yongnuo seem to losing the plot a bit.
Comment by testbloke posted on Wireless trigger for studio lights at 11/04/2011 - 13:22
Cisco wrote:
Only the centre contact is used, and always in the same place for N, C or P !
Really ? was going to try it but did not want to risk my body. The trigger has five contacts, not opened it to check if they are wired but find it strange they would include them if they were not wired. Remember these are remote shutter release as well, although that won't be too much of an issue as the supplied cable is again canon fit (2.5mm jack, not PC).testbloke wrote:
My Yongnuo RF603 triggers eventually arrived this morning
And they have sent the Canon version
Back to the drawing board ...
Shouldn't be any difference !?My Yongnuo RF603 triggers eventually arrived this morning
And they have sent the Canon version
Back to the drawing board ...
Only the centre contact is used, and always in the same place for N, C or P !
Comment by testbloke posted on Wireless trigger for studio lights at 11/04/2011 - 13:20
My Yongnuo RF603 triggers eventually arrived this morning
And they have sent the Canon version
Back to the drawing board ...
And they have sent the Canon version
Back to the drawing board ...
Comment by testbloke posted on Wireless trigger for studio lights at 07/04/2011 - 11:57
johnriley wrote:
When I was playing with this, I was shooting in a very small room, therefore the subject was close to the background. Even with the light down as low as it will go and with softbox fitted, I was up at F8 (1/180th) before I got exposure, meaning the background was in focus. I wanted to drop closer to F2.8 but had nowhere to go (ISO already at 100). Had the option been there, I could have increased the shutter speed and cropped the black band from the bottom. I am not overly upset about this but think that manual should really be manual, at that stage you should know enough about photograph to know why you have a black band on the frame ? I know, next time get a bigger room !Quote:
Just saddens me that they locked it into being disabled their top-of-the-line cameras without giving advanced users an option to bypass.
I'm curious as to what it stops you from achieving?Just saddens me that they locked it into being disabled their top-of-the-line cameras without giving advanced users an option to bypass.
PS - triggers not here yet
Comment by testbloke posted on Wireless trigger for studio lights at 18/03/2011 - 18:41
Algernon wrote:
This Aputure one looks interesting for £33.
Looks like the RF-603 is out £28 and listed for Pentax up to 1/320 (some may be less) ?
These are the said items I await !This Aputure one looks interesting for £33.
Looks like the RF-603 is out £28 and listed for Pentax up to 1/320 (some may be less) ?
Comment by testbloke posted on Wireless trigger for studio lights at 13/03/2011 - 20:41
timcx500e wrote:
In manual mode what shutter speed are you attaining ? mine will only work at 1/90th .
regards, tim.
Was synching no problems at 1/180th. Could not try any faster as even in manual mode as the flash was on it would not let me go faster.In manual mode what shutter speed are you attaining ? mine will only work at 1/90th .
regards, tim.
Comment by testbloke posted on Wireless trigger for studio lights at 13/03/2011 - 09:55
