topic How can I prevent an initial flash on mirror lock-up mode? in EOS DSLR & Mirrorless Cameras https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/How-can-I-prevent-an-initial-flash-on-mirror-lock-up-mode/m-p/159606#M24130 <P>I have a Canon 5 DSr.&nbsp; I like the mirror lock-up but when I use my ring flash (Sigma), I have an initial flash when I activate and a second flash at the time of exposure (if the battery recharges quickly enough).&nbsp; Is there a way to prevent the flash from being activated when the mirror is moved?</P> Thu, 24 Dec 2015 17:35:48 GMT pwilliot 2015-12-24T17:35:48Z How can I prevent an initial flash on mirror lock-up mode? https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/How-can-I-prevent-an-initial-flash-on-mirror-lock-up-mode/m-p/159606#M24130 <P>I have a Canon 5 DSr.&nbsp; I like the mirror lock-up but when I use my ring flash (Sigma), I have an initial flash when I activate and a second flash at the time of exposure (if the battery recharges quickly enough).&nbsp; Is there a way to prevent the flash from being activated when the mirror is moved?</P> Thu, 24 Dec 2015 17:35:48 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/How-can-I-prevent-an-initial-flash-on-mirror-lock-up-mode/m-p/159606#M24130 pwilliot 2015-12-24T17:35:48Z