Canon Community

If the AF is struggling to focus and before the confirmation is given in the viewfinder is there a way of getting the shutter to fire anyway?   Often the pic looks focussed and I’d like the camera to take the shot. Bill

All, Would I be able to get auto-focussing with a Sigma 100-400 f5-6.3 DG OG HSM lens plus a Sigma TC 2001 2x teleconverter at maximum zoom (ie 800 mm effectively) if this combinateion were mounted on a EOS 80d.  If not, is there any EOS camera that ...