jay.johnsonau wrote in post #15388021
looking for a bit of advice
Im shooting soccer (football) tomorrow night and I would usually use my Sigma 120-400mm during the day but this is a Evening/Night game ... Knowing im only allowed to shoot from one corner I know I have the reach but its the ISO i worry about .. i'll be trying to keep the shutter speed at 800-1000th ... and the lowest my apature will go is 5.6 .... So how high would you run the ISO?
I don't think you will be able to make this work unless the lights are very bright. Football shooters usually struggle with f/2.8 glass to get that shutter speed even at high ISO. You are talking about 2 full stops less light. I think you are going to have to drop your shutter speed back to 1/400-1/500, then push ISO to get exposure right. It will be a trade off.
I would go to 25,600 on the 5D3 if I had to. I am not sure how the 60D does over 6400. You can try it at 12,800 and see what you get.