231 Reducing noise in a high-ISO shot with Camera Raw

Hey gang, this is Deke McClelland. Welcome to Deke's Techniques.…This week we're going to take this image here, captured in one of the most magical…places on the face of the planet. Carlsbad Caverns, 800 feet deep, no…natural light, no strobe. Relying entirely on the lights provided by…the national parks system. Handheld shot, camera set to Auto, shutter…speed one quarter second. ISO, you ask, 12,800, not 100, but 128…times 100. Which is why we have a little bit of noise.…

One might argue we've got more noise than detail.…But we have a ton of pixels, which is why we're able to achieve this final version…of the image using nothing more than a JPEG and Adobe Camera Raw.…Here, let me show you exactly how it works.…So, here are two versions of the image, the original uncorrected version over here…on the left. And the corrected image on the right hand side.…Now, obviously, the colors are in better shape on the right.…But the biggest difference between the images isn't even visible, when we zoom…this far out. So I'll press Ctrl+1 or Cmd+1 on a Mac to…