Considering the camera body I use (a Nikon D2H), some gymnasiums
allow me to shoot available light, while others do not. If I enter a
high school gymnasium with adequate available light and a high
place for me to stand, it's a good night. I shot a couple basketball
assignments in Franklin a few nights back. The first was a free throw
competition and the second was a girls' varsity basketball game. I shot
the varsity game at f2.8, 1/250 of a second, ISO 500. The free throw
competition was mostly the same lighting conditions, excepting I
slowed the shutter speed down to 1/200 of a second.