wedding photographer

Hi all and happy new year ! Recently bought myself a 70-200 F4 IS as i love the weight and ability of the 70-200 f4L i used to have and missed it , now i have owned lots of IS lenses but never one of these and am finding that the IS is quite noisy and very obvious compared to my other lenses...

Wedding shoot With my canon EOS R

OK so something I am wondering having bought a couple of new CF cards for my Canon 5Dmk4. I change the cards periodically as a wedding photographer just for safety of knowing they are not so old, the card I have just changed is a Compact Flash 64GB sandisk Extreme 120mb/s and I changed it for...