EOS R5 Mark II sync speed confusion
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08-23-2024 04:30 PM - last edited on 08-27-2024 07:58 AM by James_C
The R5 Mark II user guide shows the following conflicting information for full frame sync speed.
Does anyone know which row (page) is correct? FWIW, I use a non-Canon (Godox) speedlight. Thanks.
Sorry for the duplicate post but my table was trashed when I clicked on Post the first time.
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08-23-2024 06:31 PM
Yes there are different sync speeds depending on the use of other features.
The fractional parts of the shutter speed relate to the use of high frequency anti flicker shooting with flash.
The sync speeds for most cases are:-
- Mechanical - 1/200
- Electronic 1st curtain - 1/250
- Electronic - 1/180
When using certain Canon Speedlites listed in the manual and the sync speed priority function is used
- Electronic 1st curtain - 1/320 or 1/400 in 1.6x crop mode
- Electronic - 1/200 or 1/320 in 1.6x crop mode
In the case of the crop modes the shutter has to cover less distance so the speed can be faster.
In my view there are some inconsistencies in the manual as page 192 and page 204 contradict as does page 1215.
Brian
EOS specialist trainer, photographer and author
-- Note: my spell checker is set for EN-GB, not EN-US --
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08-25-2024 05:50 PM
Thanks for the clarification, Brian. The part about high frequency anti-flicker was not clear to me at all.
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09-04-2024 07:28 PM
Hello,
I cannot get my R5 into HSS with a Westcott FJ-X3m trigger. I can get it to fire my Westcott FJ200 up to 1/200th but not beyond. Flash Function Settings are grayed out in the menu. Any suggestions?
thanks,
Patrick
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09-06-2024 11:32 PM
I am experiencing the same. Updated the FJ-X3m firmware to the latest 1.3.5 and no change. It's set at TTL and First curtain. I cannot get menu to allow me to change the settings at all.
The flash works fine, fires, etc. But none of the Flash function settings work.
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09-07-2024 05:17 AM
Since the flash settings menu and high speed sync works with Canon Speedlites, then this issue is down to the Westcott triggers not being full compatible with the camera. Only solution will be for Westcott to update their trigger to support the camera.
Brian
EOS specialist trainer, photographer and author
-- Note: my spell checker is set for EN-GB, not EN-US --
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08-26-2024 01:08 PM
My Sync Speed Priority is grayed out, Any idea why?
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08-27-2024 03:47 AM
Sync speed priority works with specific Canon Speedlites.
Check the note on this page in the HTML manual
https://cam.start.canon/en/C017/manual/html/UG-03_Shooting-1_0100.html
Note the points about shutter mode cannot be mechanical, and that only the following Speedlites being compatible
Speedlite 430EX III / 470EX-AI / 600 EX II-RT / EL-100 / EL-1 / EL-5 / EL-10
Macro Ring Lite MR14-EX II / Macro Twin Lite MT-26EX-RT
Brian
EOS specialist trainer, photographer and author
-- Note: my spell checker is set for EN-GB, not EN-US --