Nikon D40 Noise Handling Performance
I was able to find time last night to perform this investigation. Throughout this test, onboard Noise Reduction (NR) is off. Image @200 Model = NIKON D40 Exposure Time = 2" F Number = F5.6 Exposure Program = Manual ISO Speed Ratings = 200 Focal Length In 35mm Film = 82mm Image @1600 Model = NIKON D40 Exposure Time = 1/4" F Number = F5.6 Exposure Program = Manual ISO Speed Ratings = 1600 Focal Length In 35mm Film = 82mm Image @3200 Model = NIKON D40 Exposure Time = 1/8" F Number = F5.6 Exposure Program = Manual ISO Speed Ratings = 3200 Focal Length In 35mm Film = 82mm More here.