update THE SETUP
tPana G9- gotox V860iii flashgun on hotshoe - group M and A channel 1 to Godox receiver (X1 TTL) with SB900 speedLIght same room
works yes line of sight
Pana G9- gotox V860iii flashgun on hotshoe - group M and A channel 1 to Godox receiver (X1 TTL) with SB900 speedLIght wall between
does not work
which means it is not a radio signal it sends but an optical wireless signal. a completely different thing.
Think of it this way, one can send a message by semaphore via flags the optical way. Or send the same message using morse code via a radio signal. The semaphore requires line of sight, the radio can be hidden and still works. Both send the same signal but by different methods
If I set up similar but used the Pixel King transmitter and receiver that works even behind a wall using a radio signal.
Hope this explain the difference more clearly
of course the Nikon D810 and Nikon Speedlight SB900 are so old it is not surprising there are issues. the D810 and speedlight together work ok it is when adding new gear between them that breaks the contact and in this case the Godox receiver is not compaible. .
the nikon D810 release date was 2014
The nikon Speed light releae date was 2008
pixel king release date of mine 2012 but designed to work together back in that era
so in photographic terms antique, so can't be expected to accept newer items from a different make
I strongly suspect, having done further checks and tests. it is the Nikon D810 with an out of date MB for new gear as well causing issues
first test shot just after midnight tonight
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panasonic G9 - kit 12-60 lens- aperture f22- focal length 36mm-ISO 200 - exposure time 1" for those interested in picture Nikon SB900 with Godox receiver (X1 TTL)
lot of problems to think about, focus being just one. My idea is to photograph a remote flash at night. This time on a flower bed. now back to the drawing board to see how I can improve on this
if anyone has tried the same with success I would be interested