https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-get-a-focusing-red-square-in-the-playback-on-my-5d-mk-iii-Why/m-p/70895#M8576 <P>There is a Custom Function Setting to turn on/off the Auto Focus point display. You likely have this turned on. I have a 6d so I can't be sure where the setting is in the 5d mkiii's Custom Function Setting. Search the manual for "AF Point" and you should find it.<BR /><BR />steve</P> Sun, 23 Feb 2014 03:56:24 GMT SGFFX 2014-02-23T03:56:24Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-get-a-focusing-red-square-in-the-playback-on-my-5d-mk-iii-Why/m-p/70871#M8575 Sat, 22 Feb 2014 22:49:50 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-get-a-focusing-red-square-in-the-playback-on-my-5d-mk-iii-Why/m-p/70871#M8575 Jeffcinhp 2014-02-22T22:49:50Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-get-a-focusing-red-square-in-the-playback-on-my-5d-mk-iii-Why/m-p/70895#M8576 <P>There is a Custom Function Setting to turn on/off the Auto Focus point display. You likely have this turned on. I have a 6d so I can't be sure where the setting is in the 5d mkiii's Custom Function Setting. Search the manual for "AF Point" and you should find it.<BR /><BR />steve</P> Sun, 23 Feb 2014 03:56:24 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/I-get-a-focusing-red-square-in-the-playback-on-my-5d-mk-iii-Why/m-p/70895#M8576 SGFFX 2014-02-23T03:56:24Z