Last night was my best fireworks night ever, photography-wise. One of the best things was being able to turn off dark frame subtraction on the K10D. I figured I'd do the noise reduction in post. But I didn't need to! I don't see a lick of noise in any of my shots. Take this one for example:
That's a six-second exposure. Look at the
full version and try to find the noise. Straight from camera JPG, cropped.