Help with shooting volleyball in a gym
Grainy pictures are usually ISO related. Probably you are shooting in poor light and your camera is raising the ISO (if you have set to auto ISO) to get a proper exposure. If that is the case your only option is to shoot RAW and learn to post process out the grain.
|AT-6 Harvard by jarud|
from Trainer aircraft
|Monarch butterflies winter roost at Pismo Beach by cjf2|
from Safety in Numbers (Nature)