Speedlite Flashes
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Speedlite 600EX II-RT Losing Link with ST-E3-RT

When using the above Speedlites with the ST-E3-RT transmitter in Groups A/B Manual I can shoot a couple images then the links break and I have to shut off the units, wait 15 seconds then turn them back on again to link back up. It doesn't do this in ...

430EX and RP (ETTL-II compatibility?)

Hello all, first post from Lorenzo, Italy (Tuscany)... nice to meet you... I have a question about the ETTL-II compatibilty of my 430EX mounted on RP camera... In the camera menù the ETTL-II is greyed out... I can only see and use the exposure compen...

Resolved! Speedlite 580EX II always shows C.Fn icon

I have two 580EX II flashes. One of them always shows the C.fn icon and I can not remove it.  It is displayed in ETTL, Multi and Manual mode. I can click the 2nd curtain buttton, that icon turns off and on ok.  Any ideras? Thanks. 

CFN 580EX.jpg

Canon 600EX-RT won't turn on at all

I own two 600EX-RT speedlite's.  One of them hasn't been used much and is totally dead.  I tried half a dozen different batteries and won't turn on.  My 2nd speedlite turns on, but sometimes it doesn't.  The led screen sometimes is looks like it half...

jimlopes by Contributor
  • 12953 Views
  • 13 replies
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Inconsistent flash exposure with 600EX-RT

I am using an R7 camera and 600EX-RT flashes at a few indoor occasions. Exposure is very inconsistent, where one shot will be perfect, then a few minutes later, shots will look like the flash had little to no effect, even though it went off.  This ha...

Rkeroack by Contributor
  • 2378 Views
  • 5 replies
  • 0 likes

Resolved! 600ex-rt not linking or dropping link

I have three of the 600 EX Dash RT speedlites that are not linking or staying linked, if I do indeed get them linked for a hot minute. I cannot put them all in the manual mode. Out of the two slaves one stays ETTL versus M. Also, if I am fortunate en...

MDI by Apprentice
  • 2458 Views
  • 2 replies
  • 0 likes
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