xLadyCinnamonxFeatured By OwnerJan 31, 2013Hobbyist Photographer
Hey hey hey if you guys love photography come check out my group!!! You can join and submit your art and suggest favorites and all that great stuff The link is in my signature, I would really appreciate it if you checked it out
If you’re viewing RAW files, then yes, each program will render it differently, including noise reduction. Photoshop and Lightroom (which share a common RAW processing engine) have fairly aggressive noise reduction algorithms. I suspect Windows Viewer does not. My personal favourite for processing RAW files is Capture One, which has an excellent noise reduction feature as well.