Reducing noise

…When you shoot HDR, you'll sometimes find…yourself in situations that can create noisy images.…Maybe it's because you're shooting HDR at…night, and you want to show a wider dynamic…range, and the camera has to push itself to really get that range of exposure.…Or perhaps you've shot at a higher ISO, to reduce the shutter time.…Well, in any case, there's lots of things that can contribute to noise.…And remember if you're combining…3, 5, 7, 9 or even more images, all that noise, actually adds up.…

So, it's important that you take some steps to clean it up.…Whether before or after. Let me show you what you can do.…Here I have a a 5 image set, and if I…zoom in, you could see there's a bit of noise in there.…Now, that's at 800%.…So it's extreme, but there is noise in that image.…Particularly in some of the underexposed images, it's going to show up even more.…Definitely see it there in the sky. So I want to process that.…Let's select those images and kick them over to Photomatix Pro.…

We'll merge for HDR, and click okay.…