ISO settings?

I have the G6. I was assigned to take pictures for the Homcoming game for my high school this upcoming Saturday. What ISO setting would be the best for shooting football shots? I will be using the teleconverter lense for it too. Could that alter the way the image comes out? Like, can it interfere w/ the ISO or not? And could you please tell me what each ISO setting that the G6 has would be the best for certain types of shots? Thanks!

A lower ISO is less sensitive to light, but gives a clearer image so it's best for daylight, a higher ISO is more sensitive, but (with film) grainier or (digitally) noisier, so it's better for dusk or indoor photos. 400 is kind of unacceptably noisy on the G6 though there is software that can clean it up a bit. I'd say try 100 or 200 for the game, and use a tripod if possible, the low light and tele lens will be conducive to camera shake. Your built-in flash will probably be useless, turn it off.

You want to shoot with the lowest ISO possible. In bright daylight, ISO 50 is always great, but if you don't have the light, you'll probably need to use a higher speed if you hope to stop motion. (You could shoot with longer exposures and a tripod, but the players on the field would be streaks of color) I'd use a tripod anyway, it almost always makes for better photos.

Bryan

start with the lowest iso which is 50 and work your way up if you find the shutter speed a little slow...
50 should be fine for a daytime footy match...and is the preffered iso setting for all shots i would say...higher iso just give you more light and noise...
there's no problem using your teleconverter lense that would effect the iso...

yeah, if it's daylight, use 50 for sure, I'm just assuming most homecoming games are on Saturday night under the lights. You might want to look at your white balance setting, too, or set it manually, those lights will probably throw your color off.

Bryan

OK thanks guys. Actually Bryan, the game is in the afternoon around 2:00, so i don't think I'll have to worry about color too much.

Oh, yeah, even if it's a bit overcast, stick to 50. And we want to see the results!

Don't worry Bryan, I'll post a few on here, just look for my post in the Sports section!

Just as an added fyi.... it's good that it will be during the day... make sure to shoot at a shutter speed of at least 125 or greater.... 250 or higher is preferable for football. And don't forget to pan the camera when the players are running past you!