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New Contributor
Posts: 1
Registered: ‎11-22-2018

flash not appearing in photos

hello Smiley Happy i recently started having an issue on my rebel t6i with the flash firing, but not appearing in photos i take. i changed none of the settings and even did a full reset on the camera but it still doesnt show up. i tried an external flash and it worked perfectly fine, its only the built in flash that doesnt work. any idea what i can do to fix this?
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VIP
Posts: 13,023
Registered: ‎12-07-2012

Re: flash not appearing in photos

"...even did a full reset on the camera ..."

 

Are you sure?  What about your flash sync.

EOS 1DX and 1D Mk IV and several lenses!
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Esteemed Contributor
Posts: 3,847
Registered: ‎06-11-2013

Re: flash not appearing in photos

 

Canon's ETTL flash system is fairly advanced and it has quite a few capabilities.  One capability is to use the system to trigger off-camera flashes (it uses light to commuincate firing instructions to the off-camera flashes).  And sometimes a photographer wants off-camera light without the on-camera light in the shot.  So it turns out there is a way to do this... the on-camera flash fires to communicate instructions *before* the shutter is actually open.  When the shutter does open, only the off-camera units fire.  

 

There is no feedback from the off-camera flash.  This means it's possible to get the camera in the mode to control an off-camera flash ... even if the off-camera flash doesn't exist.  (it uses light to communicate the instructions ... but it doesn't know there isn't a flash receiving the firing instructions.)

 

As you look at it, you visually see the flash fire, but you don't see the light from that flash in the photo (it all happens so fast you would never know it technically fired a fraction of a second before the shutter opens).

 

My guess is you've got in that mode and your pop-up flash is actually firing just before the shutter opens.

 

See page 178 of your camera's manual... there is an option to clear the flash settings (both for built-in settings as well as for external flash control).

 

If you've mislaid your manual, you can download a copy here:  

 

http://gdlp01.c-wss.com/gds/4/0300018254/02/eos-rebelt6i-750d-im2-en.pdf

 

 

 

Tim Campbell
5D III, 5D IV, 60Da
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