| DEEBO 4.2 sec TD Here is how you change your Canon EOS R3’s in less the 4.2 seconds using your RF 400mm f/2.8L IS USM and RF 70-200mm f/2.8 L IS USM to create a total of 165 images. #EOSR1 #CanonCamera #canonusa #canon #canonexploreroflight #canoncps #teamcanon #sandiskextremeteam #thinktankphoto #NinerGang #NFL #49ers