I am just curious what you guys do in regards to ISO. Do you normally leave the camera on Auto or do you set it at a fixed value? Thanks.

 

fixed

 

at 100?

 

I go as low as possible depending on the conditions
For example: During the day when its light i go as low as possible but in a dark church you still want to be as low as possible but not that low that you cant keep the camera steady...

 

I always leave the camera at 100 and only go up if I must due to not enough lighting for the aperture/shutterspeed that I need.

 

100 works great for outdoor shots, but indoors 400+ IMO. I actually have my camera set to 800 99% of the time but it's a 5D and the noise level is ultra low.

 

That must be nice.

As someone mentioned earlier, I try to keep the ISO as low as possible for whatever the current shooting condtions are at the time.
I try hard not to go above 800 because of problems with noise.

 

Ok so if I am shooting outside and I am going to have it fixed at 100. How do you guys know how to much to increase it as it gets darker? Is there a general rule of thumb?

 

Assuming that you have the camera set on an automatic shutter speed mode, then you should change to a higher ISO setting when the shutter is taking a longer time to take pictures. Or you can simply bump it up when you realize your pictures are blurry.

 

Always carry a little tripod with you (the 10" ones)....Then you can leave ISO at the minimum, and get the best shots possible, every single time.